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Start Over Author "Hui-Chun, Geng" Journal organic chemistry frontiers
1 results on '"Hui-Chun, Geng"'

1. Isolation, structural elucidation, and synthetic study of salviyunnanone A, an abietane derived diterpenoid with a 7/5/6/3 ring system from Salvia yunnanensis

Author

Gang Xu, Da-Wei Zhang, Wen-Dan Xu, Chun-Yan Wu, Fan Xia, Hong-Bo Qin, Xing-Wei Yang, Yu Zhang, and Hui-Chun Geng

Subjects
biology, 010405 organic chemistry, Stereochemistry, Aryl, Organic Chemistry, Salvia yunnanensis, Absolute configuration, Conjugated system, 010402 general chemistry, biology.organism_classification, Ring (chemistry), 01 natural sciences, Terpenoid, 0104 chemical sciences, chemistry.chemical_compound, chemistry, Boronic acid, Abietane
Abstract

Salviyunnanone A (1), a cytotoxic diterpenoid possessing an unprecedented 7/5/6/3 ring system derived from a normal abietane skeleton, was characterized from Salvia yunnanensis. Its structure was established by extensive MS and NMR spectroscopic analyses and its absolute configuration was defined by the comparison of experimental and calculated ECDs. The synthetic study of 1 was carried out and its 6-epi-isomer (12) was achieved in 9 steps involving the conjugated addition of an aryl boronic acid as a key step.

Published
2018
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