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NMR solution structure study of one saturated sulphur-containing amides from Glycosmis lucida.
Geng, Zhu-Feng; Yang, Kai; Li, Yin-Ping; Guo, Shan-Shan; You, Chun-Xue; Zhang, Wen-Juan; Zhang, Zhe; Du, Shu-Shan.
Afiliação
  • Geng ZF; a State Key Laboratory of Earth Surface Processes and Resource Ecology , Beijing Normal University , Beijing , China.
  • Yang K; b Analytic and Testing Center , Beijing Normal University , Beijing , China.
  • Li YP; a State Key Laboratory of Earth Surface Processes and Resource Ecology , Beijing Normal University , Beijing , China.
  • Guo SS; c College of Chemistry , Beijing Normal University , Beijing , China.
  • You CX; a State Key Laboratory of Earth Surface Processes and Resource Ecology , Beijing Normal University , Beijing , China.
  • Zhang WJ; a State Key Laboratory of Earth Surface Processes and Resource Ecology , Beijing Normal University , Beijing , China.
  • Zhang Z; a State Key Laboratory of Earth Surface Processes and Resource Ecology , Beijing Normal University , Beijing , China.
  • Du SS; a State Key Laboratory of Earth Surface Processes and Resource Ecology , Beijing Normal University , Beijing , China.
Nat Prod Res ; 31(7): 791-796, 2017 Apr.
Article em En | MEDLINE | ID: mdl-27739326
ABSTRACT
One sulphur-containing amide (N-[2-(4-Hydroxyphenyl)-ethyl]-3-methanesulfonyl-N-methyl-propionamide) which was isolated from Glycosmis lucida Wall ex Huang had a different NMR profile with this kind of compounds' normal case. Based on the information obtained by nuclear magnetic resonance pectroscopy (NMR) and mass spectrometry (MS), its configurations in solution were investigated. The results indicated that the compound would have two stable configurations in solution as the double bond switched between C-N and C-O in an appropriate rate. This phenomenon was clearly exposed by the one dimension selective NOE (1D-NOE) experiments. This conclusion would play an active role in the structure analysis work of this kind of compounds.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Rutaceae Idioma: En Revista: Nat Prod Res Ano de publicação: 2017 Tipo de documento: Article País de afiliação: China
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Rutaceae Idioma: En Revista: Nat Prod Res Ano de publicação: 2017 Tipo de documento: Article País de afiliação: China