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Solution and solid-state < sup > 33 < /sup > S NMR studies of < sup > 33 < /sup > S-labeled taurine
Magn Reson Chem. 2023 Aug 23. doi: 10.1002/mrc.5387. Online ahead of print.ABSTRACTSulfur-33(33 S) stable-isotope labeled taurine, 2-aminoethanesulfonic acid, has been synthesized, and a series of solution and solid-state 33 S nuclear magnetic resonance (NMR) experiments at 14.1 and 18.8 T, respectively, have been carried out at room temperature. The single peak of a solution 33 S NMR spectrum in 0.1-mM [33 S]-taurine in D2 O can be observed with the signal-to-noise (S/N) ratio of 9 in 40,000 scans, which paves the way toward in vivo analysis of pharmacokinetics and metabolism of 33 S-labeled taurine. Undistorted magic-ang...
Source: Magnetic Resonance in Chemistry : MRC - August 24, 2023 Category: Chemistry Authors: Yuichi Masuda Shinobu Ohki Yuuki Mogami Kenzo Deguchi Kenjiro Hashi Atsushi Goto Tadashi Shimizu Kazuhiko Yamada Source Type: research

Penindolacid A, a new indole alkaloid from the marine-derived fungus Penicillium sp
Magn Reson Chem. 2023 Aug 23. doi: 10.1002/mrc.5389. Online ahead of print.NO ABSTRACTPMID:37614032 | DOI:10.1002/mrc.5389 (Source: Magnetic Resonance in Chemistry : MRC)
Source: Magnetic Resonance in Chemistry : MRC - August 24, 2023 Category: Chemistry Authors: Jin-Xin Zhang Bao-Dan Zhang Ying Shi Ya-Nan Zhai Jin-Wei Ren Lei Cai Li-Yan Sun Ling Liu Source Type: research

Use of carbon-13 NMR to identify known natural products by querying a nuclear magnetic resonance database-An assessment
This article presents the results of structure searches carried out starting from 58 carbon-13 NMR data sets recorded on compounds selected in the metabolomics section of the biological magnetic resonance bank (BMRB). Two compound retrieval methods were employed. The first one involves searching in the acd_lotus database using commercial software. The second one operates through the freely accessible web interface of the nmrshiftdb2 database, which includes the compounds present in acd_lotus and many others. The two structural dereplication methods have proved to be efficient and can be used together in a complementary way...
Source: Magnetic Resonance in Chemistry : MRC - August 16, 2023 Category: Chemistry Authors: Jean-Marc Nuzillard Source Type: research