HMBC

作品数：51被引量：171H指数：6
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相关领域：理学医药卫生更多>>
相关作者：赵天增张海艳吴立军吴鸣建毛希安更多>>
相关机构：中国科学院郑州大学中国医学科学院北京协和医学院沈阳药科大学更多>>
相关期刊：《Chinese Journal of Natural Medicines》《有机化学》《江西师范大学学报（自然科学版）》《中草药》更多>>
相关基金：国家自然科学基金河南省省院科技合作项目山东省自然科学基金国家重点基础研究发展计划更多>>
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~1H–^(15)N HMBC spectra of C_(18)-diterpenoid alkaloids被引量：1
《Chinese Chemical Letters》2015年第6期804-806,共3页Qian Mei Yao-Nan Wang Ming Zhao Xiao-Yu Liu Shi-Qi Peng Feng-Peng Wang 
the National Natural Science Foundation of China (No.81273387) for the financial support of this research
The normally underused ^1H-^15N HMBC spectra of thirteen C18-diterpenoid alkaloids have been determined for the first time. As a result, the significant effects of the substituents of nitrogen atoms, the conformations...
关键词：Diterpenoid alkaloid ^15N NMR ^1H-^15N HMBC 
Synthesis of derivatives of imidazo[4,5-b]pyridine:Novel sulfur contained side chains for macrolide antibiotics被引量：2
《Chinese Chemical Letters》2008年第1期1-4,共4页Lu Liu Peng Xu Liang Zhou Ping Sheng Lei 
Finacial support of this research by the National Natural Science Foundation of China （No. 30572275） ；Natural Science Foundation of Beijing （No. 7062047） are gratefully acknowledged by the authors.
Two series of novel derivatives of imidazo[4,5-b]pyridine were synthesized. These compounds could be used as side chains of semisynthesised ketolide antibiotics. The side chains have free amine group which can attache...
关键词：MACROLIDE Heterarylalkyl sulfur contained side chain Imidazo[4 5-b]pyridine Synthesis HMBC 
Studies on the Total Synthesis of Hainanolide (VII) - Analysis of the Relative Stereochemistry of key Intermediate 2
《Chinese Chemical Letters》2002年第10期937-938,共2页Yan Wu LI Liang HUANG 
The relative stereochemistry of an intermediate 2 in the total synthesis of hainanolide 1 was studied by various NMR spectroscopic techniques.
关键词：hainanolide NOE H-1 C-13-NMR HMBC HMQC SPECTRA 
Attempt to Resolute Chiral Clusters by Optically Active Hydrazide
《Chinese Chemical Letters》2001年第1期69-70,共2页Yu Hua ZHANG Wei Qiang ZHANG Yu Gang CHEN Zhi CHEN Xin Yi ZHU Huan Wang JING Yuan Qi YIN 
We are grate ful to the National Natural Science Foundation of China for the f inancial support of this work.
A new kind of hydrazone (I) diastereoisomers was prepared with enantiomeric hydazide (II) and chiral cluster (III), which was characterized by HMBC. Unfortunately, the mixture could not be separated into pure diastere...
关键词：Chiral clusters optically active hydrazone chiral resolution DIASTEREOISOMER HMBC. 
Two New ent-Kaurane Diterpenoids from Isodon adenantha
《Chinese Chemical Letters》2000年第11期995-996,共2页
关键词：Two New ent-Kaurane Diterpenoids from Isodon adenantha HMBC 
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