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4 4 dimethoxytrityl chloride dmtrcl  (Chem Impex International)


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    Chem Impex International 4 4 dimethoxytrityl chloride dmtrcl
    4 4 Dimethoxytrityl Chloride Dmtrcl, supplied by Chem Impex International, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/4+dimethoxytrityl+chloride/Tetraallyltin/pm38483118-42-116-119
    Average 95 stars, based on 1 article reviews
    4 4 dimethoxytrityl chloride dmtrcl - by Bioz Stars, 2026-09
    95/100 stars

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    Chromatography:

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..

    Column Chromatography:

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2'-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone.
    Article Snippet: .. Materials Buchwald-Hartwig coupling adduct 9 (see Basic Protocol 3) Anhydrous dichloromethane (CH2Cl2, Acros Organics) Zinc Bromide (ZnBr2; Acros Organics) Isopropanol (iPrOH; Aldrich Chemical) Sodium bicarbonate (NaHCO3, saturated aqueous solution) Silica gel Ethyl acetate (EtOAc) n-Hexane Anhydrous tetrahydrofuran (THF, Acros Organics) Argon source Triethylamine trihydrofluoride (Et3N.3HF, 98%, Aldrich Chemical) Triethylamine (Et3N, Aldrich Chemical) Anhydrous methanol (MeOH, Acros Organics) Palladium, black (Pd-black, 99.9% metal basis, Alfa-Aesar Chemical) H2 gas cylinder or balloon Anhydrous N, Nʹ-dimethylformamide dimethylacetal (Acros Organics) Anhydrous pyridine (Acros Organics) 4-N, Nʹ-Dimethylaminopyridine (DMAP, Chem-Impex International) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex International) N, Nʹ-Diisopropylethyl amine (DIPEA, Aldrich chemical) 2-Cyanoethyl diisopropylchlorophosphoramidite [iPrNP(Cl)O(CH2)2CN, Aldrich Chemical] Magnetic stir plate and stir bars Filter vacuum apparatus Column chromatography apparatus 25- and 50-mL round-bottom flasks Synthesis of C8-dG Adduct Formed by Carcinogen 3- Nitrobenzanthrone 4.73.8 Supplement 69 Current Protocols in Nucleic Acid Chemistry nloaded from https://currentprotocols.onlinelibrary.w iley.com /doi/10.1002/cpnc.28 by Indian Institute O f T echnology, W iley O nline L ibrary on [05/04/2024]. ..

    Filtration:

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..

    Hood:

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 9 (see Basic Protocol 3) Isopropanol ( i PrOH; Aldrich Chemical) Anhydrous Dichloromethane (CH 2 Cl 2 , Acros Organics) Zinc Bromide (ZnBr 2; Acros Organics) Sodium Bicarbonate (NaHCO 3 ; saturated aqueous solution) Triethylamine trihydrofluoride (Et 3 N.3HF; 98%, Aldrich Chemical) Triethyl amine (Et 3 N; Aldrich Chemical) Anhydrous Tetrahydrofuran (THF, Acros Organics) Anhydrous Methanol (MeOH, Acros Organics) Palladium – Black (99.9% metal basis, Alfa –Aesar Chemical) H 2 gas cylinder or balloon Anhydrous N, N′-Dimethylformamide dimethylacetal (Acros Organics) Anhydrous Pyridine (Acros Organics) 4- N , N ′-dimethylaminopyridine (DMAP, Chem-Impex Int’l Inc) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) N , N ′-diisopropylethyl amine (DIPEA, Aldrich chemical) 2- Cyanoethyl diisopropylchlorophosphoramidite [ i PrNP(Cl)O(CH 2 ) 2 CN; Aldrich Chemical] Oil Bath Magnetic stir plate and stir bar n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Methanol for column chromatography Dichloromethane for column chromatography Vacuum apparatus for filtration Fume hood Perform DMTr-Cl deprotection of the nucleoside adduct list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Dissolve the Buchwald–Hartwig coupling adduct 9 (100 mg, 0.088 mmol) in dichloromethane (10 mL). ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..

    Thin Layer Chromatography:

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. Materials list-behavior=simple prefix-word= mark-type=none max-label-size=0 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate list-behavior=simple prefix-word= mark-type=none max-label-size=1 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..

    Article Title: Synthesis of Oligodeoxynucleotides Containing a C8-2′-Deoxyguanosine Adduct Formed by the Carcinogen 3-Nitrobenzanthrone
    Article Snippet: .. 2′-deoxyguanosine monohydrate ( 1 ) (Berry & Associates) Argon gas Acetonitrile (Sigma Aldrich Chemical) Acetone (Sigma Aldrich Chemical) Distilled water (DI water) N -Bromosuccinimide (freshly recrystallized from hot DI water) Anhydrous N , N ′-dimethylformamide (Agros Organics) tert -Butylchlorodimethylsilane (Agros Organics) Imidazole (Acros Organics) Benzyl alcohol (PhCH 2 OH, Sigma Aldrich Chemical) Triphenylphosphine (PPh 3 , 99%; Acros Organics) Diisopropylazodicarboxylate (DIAD, 94%; Acros Organics) Anhydrous 1, 4-Dioxane (Acros Organics) Anhydrous Pyridine (Acros Organics) 4, 4′-Dimethoxytrityl chloride (DMTr-Cl, 98%, Chem-Impex Int’l Inc) Silica gel (63 −200 μm, 65 to 250 mesh; Sorbent Technologies) Aluminium oxide, neutral (Brockmann I, 50∓200 μm; Acros Organics) n -Hexane for chromatography Ethyl acetate (EtOAc) for chromatography Dichloromethane (CH 2 Cl 2 ) for chromatography Methanol (MeOH) for chromatography Round bottom flasks, 500 mL, 100 mL, 50 mL Magnetic stir plate and magnetic stir bar Vacuum apparatus for filtration Oil bath Chromatography columns Fume hood Thin layer Chromatography (TLC) equipment Perform Bromination of 2′-deoxyguanosine monohydrate 1 Suspend 2′-deoxyguanosine monohydrate 1 (2 g, 7.5 mmol) in 20 mL mixture of acetonitrile and water (80:20) in a 50 mL round bottom flask. ..



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