• 文献检索
  • 文档翻译
  • 深度研究
  • 学术资讯
  • Suppr Zotero 插件Zotero 插件
  • 邀请有礼
  • 套餐&价格
  • 历史记录
应用&插件
Suppr Zotero 插件Zotero 插件浏览器插件Mac 客户端Windows 客户端微信小程序
定价
高级版会员购买积分包购买API积分包
服务
文献检索文档翻译深度研究API 文档MCP 服务
关于我们
关于 Suppr公司介绍联系我们用户协议隐私条款
关注我们

Suppr 超能文献

核心技术专利:CN118964589B侵权必究
粤ICP备2023148730 号-1Suppr @ 2026

文献检索

告别复杂PubMed语法,用中文像聊天一样搜索,搜遍4000万医学文献。AI智能推荐,让科研检索更轻松。

立即免费搜索

文件翻译

保留排版,准确专业,支持PDF/Word/PPT等文件格式,支持 12+语言互译。

免费翻译文档

深度研究

AI帮你快速写综述,25分钟生成高质量综述,智能提取关键信息,辅助科研写作。

立即免费体验

用于小分子结构解析的残余化学位移各向异性的增强测量。

Enhanced measurement of residual chemical shift anisotropy for small molecule structure elucidation.

作者信息

Liu Yizhou, Cohen Ryan D, Gustafson Kirk R, Martin Gary E, Williamson R Thomas

机构信息

Structure Elucidation Group, Process and Analytical Research and Development, Merck & Co. Inc., 126 East Lincoln Avenue, Rahway, NJ 07065, USA.

出版信息

Chem Commun (Camb). 2018 Apr 24;54(34):4254-4257. doi: 10.1039/c8cc00552d.

DOI:10.1039/c8cc00552d
PMID:29505044
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6322199/
Abstract

A method is introduced to measure residual chemical shift anisotropies conveniently and accurately in the mesophase of poly-γ-(benzyl-l-glutamate). The alignment amplitude is substantially enhanced over common methods which greatly benefits measurements particularly on sp3 carbons. The approach offers significant improvements in data accuracy and utility for small molecule structure determination.

摘要

介绍了一种在聚-γ-(苄基-L-谷氨酸)中间相中方便、准确地测量残余化学位移各向异性的方法。与常用方法相比,该方法的取向幅度显著提高,这对测量特别是sp3碳的测量非常有利。该方法在小分子结构测定的数据准确性和实用性方面有显著改进。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/551c8e5ac5c9/nihms-999720-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/2e13b3fefca2/nihms-999720-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/95caad91faaa/nihms-999720-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/0f8ca0097194/nihms-999720-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/551c8e5ac5c9/nihms-999720-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/2e13b3fefca2/nihms-999720-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/95caad91faaa/nihms-999720-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/0f8ca0097194/nihms-999720-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/27bf/6322199/551c8e5ac5c9/nihms-999720-f0004.jpg

相似文献

1
Enhanced measurement of residual chemical shift anisotropy for small molecule structure elucidation.用于小分子结构解析的残余化学位移各向异性的增强测量。
Chem Commun (Camb). 2018 Apr 24;54(34):4254-4257. doi: 10.1039/c8cc00552d.
2
"One-Shot" Measurement of Residual Chemical Shift Anisotropy Using Poly-γ-benzyl-l-glutamate as an Alignment Medium.使用聚-γ-苄基-L-谷氨酸作为取向介质的残余化学位移各向异性的“单次”测量。
Org Lett. 2020 Nov 20;22(22):8850-8854. doi: 10.1021/acs.orglett.0c03225. Epub 2020 Nov 3.
3
A practical strategy for the accurate measurement of residual dipolar couplings in strongly aligned small molecules.一种用于精确测量强取向小分子中剩余偶极耦合的实用策略。
J Magn Reson. 2018 Jun;291:63-72. doi: 10.1016/j.jmr.2018.04.002. Epub 2018 Apr 7.
4
Elucidating natural product structures using a robust measurement of carbon residual chemical shift anisotropy combined with DFT.利用残碳化学位移各向异性的稳健测量与 DFT 相结合阐明天然产物结构。
Magn Reson Chem. 2021 May;59(5):569-576. doi: 10.1002/mrc.4975. Epub 2020 Mar 25.
5
Temperature-Controllable Liquid Crystalline Medium for Stereochemical Elucidation of Organic Compounds via Residual Chemical Shift Anisotropies.用于通过残余化学位移各向异性对有机化合物进行立体化学解析的温度可控液晶介质。
Anal Chem. 2024 Feb 9. doi: 10.1021/acs.analchem.3c04477.
6
Measurement of residual chemical shift anisotropies in compressed polymethylmethacrylate gels. Automatic compensation of gel isotropic shift contribution.压缩聚甲基丙烯酸甲酯凝胶中残余化学位移各向异性的测量。凝胶各向同性位移贡献的自动补偿。
Magn Reson Chem. 2018 May;56(5):321-328. doi: 10.1002/mrc.4711. Epub 2018 Feb 8.
7
Discrimination of enantiomers by means of NMR spectroscopy using chiral liquid crystalline solution: application to triazole fungicides, uniconazole and diniconazole.使用手性液晶溶液通过核磁共振光谱法鉴别对映体:在三唑类杀菌剂、烯效唑和烯唑醇中的应用。
Magn Reson Chem. 2006 Feb;44(2):121-6. doi: 10.1002/mrc.1731.
8
Relative configuration of micrograms of natural compounds using proton residual chemical shift anisotropy.利用质子残留化学位移各向异性确定天然化合物的微量的相对构型。
Nat Commun. 2020 Sep 1;11(1):4372. doi: 10.1038/s41467-020-18093-5.
9
Chemically cross-linked polyacrylonitrile. A DMSO compatible NMR alignment medium for measurement of residual dipolar couplings and residual chemical shift anisotropies.化学交联聚丙烯腈。一种用于测量残余偶极耦合和残余化学位移各向异性的二甲基亚砜兼容核磁共振取向介质。
J Magn Reson. 2019 May;302:21-27. doi: 10.1016/j.jmr.2019.03.005. Epub 2019 Mar 15.
10
Determination of Complex Small-Molecule Structures Using Molecular Alignment Simulation.采用分子定向模拟测定复杂小分子结构。
Angew Chem Int Ed Engl. 2020 Apr 6;59(15):6172-6176. doi: 10.1002/anie.202000311. Epub 2020 Feb 24.

引用本文的文献

1
Connection of Isolated Stereoclusters by Combining C-RCSA, RDC, and -Based Configurational Analyses and Structural Revision of a Tetraprenyltoluquinol Chromane Meroterpenoid from .通过结合 C-RCSA、RDC 和基于的构象分析以及对 Tetraprenyltoluquinol Chromane Meroterpenoid 的结构修订来连接孤立的立体聚类
Mar Drugs. 2022 Jul 18;20(7):462. doi: 10.3390/md20070462.
2
Unequivocal structure confirmation of a breitfussin analog by anisotropic NMR measurements.通过各向异性核磁共振测量对一种布氏菌素类似物进行明确的结构确认。
Chem Sci. 2020 Sep 21;11(44):12081-12088. doi: 10.1039/d0sc03664a.
3
Synergism of anisotropic and computational NMR methods reveals the likely configuration of phormidolide A.

本文引用的文献

1
Unequivocal determination of caulamidines A and B: application and validation of new tools in the structure elucidation tool box.考拉美定A和B的确切鉴定:结构解析工具库中新工具的应用与验证
Chem Sci. 2017 Nov 6;9(2):307-314. doi: 10.1039/c7sc01996c. eCollection 2018 Jan 14.
2
Biphasic Liquid Crystal and the Simultaneous Measurement of Isotropic and Anisotropic Parameters by Spatially Resolved NMR Spectroscopy.双相液晶与通过空间分辨核磁共振光谱同时测量各向同性和各向异性参数
Chemistry. 2017 Sep 27;23(54):13351-13359. doi: 10.1002/chem.201702126. Epub 2017 Jul 26.
3
Unequivocal determination of complex molecular structures using anisotropic NMR measurements.
各向异性和计算 NMR 方法的协同作用揭示了 phormidolide A 的可能结构。
Chem Commun (Camb). 2020 Jul 9;56(55):7565-7568. doi: 10.1039/d0cc03055d.
4
Characterization by Empirical and Computational Methods of Dictyospiromide, an Intriguing Antioxidant Alkaloid from the Marine Alga .通过实验和计算方法对 Dictyospiromide 的表征,一种来自海洋藻类的有趣抗氧化生物碱。
Org Lett. 2019 Sep 20;21(18):7577-7581. doi: 10.1021/acs.orglett.9b02856. Epub 2019 Sep 6.
5
Natural Products as a Foundation for Drug Discovery.天然产物作为药物发现的基础。
Curr Protoc Pharmacol. 2019 Sep;86(1):e67. doi: 10.1002/cpph.67.
使用各向异性核磁共振测量对复杂分子结构进行明确测定。
Science. 2017 Apr 7;356(6333). doi: 10.1126/science.aam5349.
4
Structural discrimination from in situ measurement of D and D residual dipolar coupling constants.来自D和D残余偶极耦合常数原位测量的结构歧视。
Magn Reson Chem. 2017 Jun;55(6):540-545. doi: 10.1002/mrc.4575. Epub 2017 Feb 8.
5
Homodimericin A: A Complex Hexacyclic Fungal Metabolite.同源二素 A:一种复杂的六环真菌代谢产物。
J Am Chem Soc. 2016 Sep 28;138(38):12324-7. doi: 10.1021/jacs.6b07588. Epub 2016 Sep 16.
6
Determination of Relative Configuration from Residual Chemical Shift Anisotropy.从残余化学位移各向异性确定相对构型。
J Am Chem Soc. 2016 Aug 3;138(30):9548-56. doi: 10.1021/jacs.6b04082. Epub 2016 Jul 22.
7
Application of RDC enhanced NMR spectroscopy in structural analysis of thiacalix[4]arene derivatives.RDC增强核磁共振光谱在硫杂杯[4]芳烃衍生物结构分析中的应用。
Org Biomol Chem. 2015 Oct 7;13(37):9610-8. doi: 10.1039/c5ob01424g.
8
Residual chemical shift anisotropy (RCSA): a tool for the analysis of the configuration of small molecules.残余化学位移各向异性(RCSA):一种分析小分子构型的工具。
Angew Chem Int Ed Engl. 2011 Sep 26;50(40):9487-90. doi: 10.1002/anie.201101784. Epub 2011 Sep 13.
9
Variable angle NMR spectroscopy and its application to the measurement of residual chemical shift anisotropy.变角度核磁共振波谱及其在残余化学位移各向异性测量中的应用。
J Magn Reson. 2011 Mar;209(1):19-30. doi: 10.1016/j.jmr.2010.11.019. Epub 2010 Dec 16.
10
A device for the measurement of residual chemical shift anisotropy and residual dipolar coupling in soluble and membrane-associated proteins.一种用于测量可溶性和膜相关蛋白中残余化学位移各向异性和残余偶极耦合的装置。
J Biomol NMR. 2010 Aug;47(4):249-58. doi: 10.1007/s10858-010-9427-7. Epub 2010 May 27.