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nmr bruker ascend 700 spectrometer  (Bruker Corporation)


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    Bruker Corporation nmr bruker ascend 700 spectrometer
    Nmr Bruker Ascend 700 Spectrometer, supplied by Bruker Corporation, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/nmr+spectrometer+bruker+ascend+700/d8+advance+diffractometer/pm40419048-128-42-40
    Average 90 stars, based on 1 article reviews
    nmr bruker ascend 700 spectrometer - by Bioz Stars, 2026-09
    90/100 stars

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    Related Articles

    Nuclear Magnetic Resonance:

    Article Title: Antimicrobial Polyketides from the Marine-Derived Fungus Spiromastix sp. SCSIO F190.
    Article Snippet: Three diphenyl ethers (1−3) and a cyclopentenone (4), together with seven known compounds (5−11), were isolated from the fermentation broth of the marine sediment-derived fungus Spiromastix sp. SCSIO F190.. Compounds 3 and 4 were found to exist as a pair of atropisomers (3a, 3b) and racemates (4a, 4b), respectively.. The planar structures of compounds 1−4 were elucidated on the basis of NMR and HRESIMS data sets.

    Article Title: OSMAC-Based Discovery and Biosynthetic Gene Clusters Analysis of Secondary Metabolites from Marine-Derived Streptomyces globisporus SCSIO LCY30.
    Article Snippet: All 1D and 2D NMR spectra were acquired by a Bruker Ascend 700 spectrometer (Bruker Company, Karlsruhe, Germany) with TMS as the internal standard (SigmaAldrich Inc., Vienna, Austria) Silica gel (100−200 mesh and 200−300 mesh; Yantai Jiangyou Silica Gel Development company, Yantai, China) was used for column chromatography.

    Article Title: Synthesis of analogs of dicadalenol, an anti-inflammatory cadinanoid disesquiterpene
    Article Snippet: NMR spectra were recorded with a Bruker Ascend 700 spectrometer, using solvent signal as internal reference.

    Article Title: Hydroanthraquinones from Nigrospora sphaerica and Their Anti-inflammatory Activity Uncovered by Transcriptome Analysis.
    Article Snippet: Transcriptome analysis is shown to be an effective strategy to understand the potential function of natural products.. Here, it is reported that 11 previously undescribed hydroanthraquinones [nigroquinones A−K (1−11)], along with eight known congeners, were isolated from Nigrospora sphaerica.. Their structures were elucidated by interpreting spectroscopic and spectrometric data including high-resolution mass spectra and nuclear magnetic resonance.

    Article Title: SAR study of N'-(Salicylidene)heteroarenecarbohydrazides as promising antifungal agents.
    Article Snippet: Clinically available antifungal drugs have therapeutic limitations due to toxicity, narrow spectrum of activity, and intrinsic or acquired drug resistance.. Thus, there is an urgent need for new broad-spectrum antifungal agents with low toxicity and a novel mechanism of action.. In this context, we have successfully identified several highly promising lead compounds, i.e., aromatic N′-(salicylidene)carbohydrazides, exhibiting excellent antifungal activities against Cryptococcus neoformans, Candida albicans, Aspergillus fumigatus and several other fungi both in vitro and in vivo.

    Article Title: Ligand-Enabled, Cysteine-Directed β-C(sp<sup>3</sup>)–H Arylation of Alanine in Linear and Cyclic Peptides: Overcoming the Inhibitory Effect of Peptide Bonds
    Article Snippet: 1H and 13C NMR spectra were recorded on Bruker Ascend 400 or 700 MHz spectrometers.

    Article Title: Bioactive Piperazic Acid-Bearing Cyclodepsipeptides, Lydiamycins E-H, from an Endophytic Streptomyces sp. Associated with Cinnamomum cassia .
    Article Snippet: A chemical investigation of the endophytic Streptomyces sp. HBQ95, associated with the medicinal plant Cinnamomum cassia Presl, enabled the discovery of four new piperazic acid-bearing cyclodepsipeptides, lydiamycins E−H (1− 4), and one known compound (lydiamycin A).. Their chemical structures, including absolute configurations, were defined by a combination of spectroscopic analyses and multiple chemical manipulations.. Lydiamycins F−H (2−4) and A (5) exhibited antimetastatic activity against PANC-1 human pancreatic cancer cells without significant cytotoxicity.

    Article Title: Discovery and optimized extraction of the anti-osteoclastic agent epicatechin-7-O-β-D-apiofuranoside from Ulmus macrocarpa Hance bark.
    Article Snippet: All NMR spectra were obtained with a Bruker Ascend 700 spectrometer (Billerica Middlesex County, MA, USA) using MeOH-d4 (Gif-sur-Yvette, France) as the solvent.

    Solvent:

    Article Title: Antimicrobial Polyketides from the Marine-Derived Fungus Spiromastix sp. SCSIO F190.
    Article Snippet: Three diphenyl ethers (1−3) and a cyclopentenone (4), together with seven known compounds (5−11), were isolated from the fermentation broth of the marine sediment-derived fungus Spiromastix sp. SCSIO F190.. Compounds 3 and 4 were found to exist as a pair of atropisomers (3a, 3b) and racemates (4a, 4b), respectively.. The planar structures of compounds 1−4 were elucidated on the basis of NMR and HRESIMS data sets.

    Article Title: OSMAC-Based Discovery and Biosynthetic Gene Clusters Analysis of Secondary Metabolites from Marine-Derived Streptomyces globisporus SCSIO LCY30.
    Article Snippet: All 1D and 2D NMR spectra were acquired by a Bruker Ascend 700 spectrometer (Bruker Company, Karlsruhe, Germany) with TMS as the internal standard (SigmaAldrich Inc., Vienna, Austria) Silica gel (100−200 mesh and 200−300 mesh; Yantai Jiangyou Silica Gel Development company, Yantai, China) was used for column chromatography.

    Article Title: Synthesis of analogs of dicadalenol, an anti-inflammatory cadinanoid disesquiterpene
    Article Snippet: NMR spectra were recorded with a Bruker Ascend 700 spectrometer, using solvent signal as internal reference.

    Article Title: Hydroanthraquinones from Nigrospora sphaerica and Their Anti-inflammatory Activity Uncovered by Transcriptome Analysis.
    Article Snippet: Transcriptome analysis is shown to be an effective strategy to understand the potential function of natural products.. Here, it is reported that 11 previously undescribed hydroanthraquinones [nigroquinones A−K (1−11)], along with eight known congeners, were isolated from Nigrospora sphaerica.. Their structures were elucidated by interpreting spectroscopic and spectrometric data including high-resolution mass spectra and nuclear magnetic resonance.

    Article Title: SAR study of N'-(Salicylidene)heteroarenecarbohydrazides as promising antifungal agents.
    Article Snippet: Clinically available antifungal drugs have therapeutic limitations due to toxicity, narrow spectrum of activity, and intrinsic or acquired drug resistance.. Thus, there is an urgent need for new broad-spectrum antifungal agents with low toxicity and a novel mechanism of action.. In this context, we have successfully identified several highly promising lead compounds, i.e., aromatic N′-(salicylidene)carbohydrazides, exhibiting excellent antifungal activities against Cryptococcus neoformans, Candida albicans, Aspergillus fumigatus and several other fungi both in vitro and in vivo.

    Article Title: Ligand-Enabled, Cysteine-Directed β-C(sp<sup>3</sup>)–H Arylation of Alanine in Linear and Cyclic Peptides: Overcoming the Inhibitory Effect of Peptide Bonds
    Article Snippet: 1H and 13C NMR spectra were recorded on Bruker Ascend 400 or 700 MHz spectrometers.

    Article Title: Bioactive Piperazic Acid-Bearing Cyclodepsipeptides, Lydiamycins E-H, from an Endophytic Streptomyces sp. Associated with Cinnamomum cassia .
    Article Snippet: A chemical investigation of the endophytic Streptomyces sp. HBQ95, associated with the medicinal plant Cinnamomum cassia Presl, enabled the discovery of four new piperazic acid-bearing cyclodepsipeptides, lydiamycins E−H (1− 4), and one known compound (lydiamycin A).. Their chemical structures, including absolute configurations, were defined by a combination of spectroscopic analyses and multiple chemical manipulations.. Lydiamycins F−H (2−4) and A (5) exhibited antimetastatic activity against PANC-1 human pancreatic cancer cells without significant cytotoxicity.

    Article Title: Discovery and optimized extraction of the anti-osteoclastic agent epicatechin-7-O-β-D-apiofuranoside from Ulmus macrocarpa Hance bark.
    Article Snippet: All NMR spectra were obtained with a Bruker Ascend 700 spectrometer (Billerica Middlesex County, MA, USA) using MeOH-d4 (Gif-sur-Yvette, France) as the solvent.

    Column Chromatography:

    Article Title: Antimicrobial Polyketides from the Marine-Derived Fungus Spiromastix sp. SCSIO F190.
    Article Snippet: Three diphenyl ethers (1−3) and a cyclopentenone (4), together with seven known compounds (5−11), were isolated from the fermentation broth of the marine sediment-derived fungus Spiromastix sp. SCSIO F190.. Compounds 3 and 4 were found to exist as a pair of atropisomers (3a, 3b) and racemates (4a, 4b), respectively.. The planar structures of compounds 1−4 were elucidated on the basis of NMR and HRESIMS data sets.

    Article Title: OSMAC-Based Discovery and Biosynthetic Gene Clusters Analysis of Secondary Metabolites from Marine-Derived Streptomyces globisporus SCSIO LCY30.
    Article Snippet: All 1D and 2D NMR spectra were acquired by a Bruker Ascend 700 spectrometer (Bruker Company, Karlsruhe, Germany) with TMS as the internal standard (SigmaAldrich Inc., Vienna, Austria) Silica gel (100−200 mesh and 200−300 mesh; Yantai Jiangyou Silica Gel Development company, Yantai, China) was used for column chromatography.

    Article Title: Synthesis of analogs of dicadalenol, an anti-inflammatory cadinanoid disesquiterpene
    Article Snippet: NMR spectra were recorded with a Bruker Ascend 700 spectrometer, using solvent signal as internal reference.

    Article Title: Hydroanthraquinones from Nigrospora sphaerica and Their Anti-inflammatory Activity Uncovered by Transcriptome Analysis.
    Article Snippet: Transcriptome analysis is shown to be an effective strategy to understand the potential function of natural products.. Here, it is reported that 11 previously undescribed hydroanthraquinones [nigroquinones A−K (1−11)], along with eight known congeners, were isolated from Nigrospora sphaerica.. Their structures were elucidated by interpreting spectroscopic and spectrometric data including high-resolution mass spectra and nuclear magnetic resonance.

    Article Title: SAR study of N'-(Salicylidene)heteroarenecarbohydrazides as promising antifungal agents.
    Article Snippet: Clinically available antifungal drugs have therapeutic limitations due to toxicity, narrow spectrum of activity, and intrinsic or acquired drug resistance.. Thus, there is an urgent need for new broad-spectrum antifungal agents with low toxicity and a novel mechanism of action.. In this context, we have successfully identified several highly promising lead compounds, i.e., aromatic N′-(salicylidene)carbohydrazides, exhibiting excellent antifungal activities against Cryptococcus neoformans, Candida albicans, Aspergillus fumigatus and several other fungi both in vitro and in vivo.

    Article Title: Ligand-Enabled, Cysteine-Directed β-C(sp<sup>3</sup>)–H Arylation of Alanine in Linear and Cyclic Peptides: Overcoming the Inhibitory Effect of Peptide Bonds
    Article Snippet: 1H and 13C NMR spectra were recorded on Bruker Ascend 400 or 700 MHz spectrometers.

    Article Title: Bioactive Piperazic Acid-Bearing Cyclodepsipeptides, Lydiamycins E-H, from an Endophytic Streptomyces sp. Associated with Cinnamomum cassia .
    Article Snippet: A chemical investigation of the endophytic Streptomyces sp. HBQ95, associated with the medicinal plant Cinnamomum cassia Presl, enabled the discovery of four new piperazic acid-bearing cyclodepsipeptides, lydiamycins E−H (1− 4), and one known compound (lydiamycin A).. Their chemical structures, including absolute configurations, were defined by a combination of spectroscopic analyses and multiple chemical manipulations.. Lydiamycins F−H (2−4) and A (5) exhibited antimetastatic activity against PANC-1 human pancreatic cancer cells without significant cytotoxicity.

    Article Title: Discovery and optimized extraction of the anti-osteoclastic agent epicatechin-7-O-β-D-apiofuranoside from Ulmus macrocarpa Hance bark.
    Article Snippet: All NMR spectra were obtained with a Bruker Ascend 700 spectrometer (Billerica Middlesex County, MA, USA) using MeOH-d4 (Gif-sur-Yvette, France) as the solvent.



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    HPLC profile of the reaction mixture of 1 with acetone/morpholine/formic acid to generate 38 . B) UV profile of the most abundant components of the reaction mixture ( 38a , 38 , and 38b ). C) 1 H <t>NMR</t> spectrum recorded for 38 in CDCl 3 at <t>700</t> <t>MHz.</t>
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    HPLC profile of the reaction mixture of 1 with acetone/morpholine/formic acid to generate 38 . B) UV profile of the most abundant components of the reaction mixture ( 38a , 38 , and 38b ). C) 1 H NMR spectrum recorded for 38 in CDCl 3 at 700 MHz.

    Journal: Journal of Natural Products

    Article Title: Exploring the Nonenzymatic Origin of Duclauxin-like Natural Products

    doi: 10.1021/acs.jnatprod.4c00558

    Figure Lengend Snippet: HPLC profile of the reaction mixture of 1 with acetone/morpholine/formic acid to generate 38 . B) UV profile of the most abundant components of the reaction mixture ( 38a , 38 , and 38b ). C) 1 H NMR spectrum recorded for 38 in CDCl 3 at 700 MHz.

    Article Snippet: The NMR setup comprised either a Bruker Ascend III 700 MHz NMR spectrometer featuring a cryoprobe, operating at 700 MHz for 1 H and 175 MHz for 13 C, or a Bruker 500 Ascend equipped with an autosampler, operating at 500 MHz for 1 H and 125 MHz for 13 C. Chemical shifts are reported in parts per million relative to the solvent resonances as the internal standard (CDCl 3 δ H /δ C 7.26/77.16; CD 3 OD δ H /δ C 3.31/49.00).

    Techniques:

    1 H and 13 C  NMR  Spectroscopic Data for 38a and 1 H  NMR  for 38b , Recorded in CDCl 3 , at 175 and 700  MHz,  respectively

    Journal: Journal of Natural Products

    Article Title: Exploring the Nonenzymatic Origin of Duclauxin-like Natural Products

    doi: 10.1021/acs.jnatprod.4c00558

    Figure Lengend Snippet: 1 H and 13 C NMR Spectroscopic Data for 38a and 1 H NMR for 38b , Recorded in CDCl 3 , at 175 and 700 MHz, respectively

    Article Snippet: The NMR setup comprised either a Bruker Ascend III 700 MHz NMR spectrometer featuring a cryoprobe, operating at 700 MHz for 1 H and 175 MHz for 13 C, or a Bruker 500 Ascend equipped with an autosampler, operating at 500 MHz for 1 H and 125 MHz for 13 C. Chemical shifts are reported in parts per million relative to the solvent resonances as the internal standard (CDCl 3 δ H /δ C 7.26/77.16; CD 3 OD δ H /δ C 3.31/49.00).

    Techniques: