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Your search keyword '"Da, Shijun"' showing total 2 results
Start Over Author "Da, Shijun" Publisher elsevier b.v.
2 results on '"Da, Shijun"'

1. First total synthesis of (−)-(3S,6R)-3,6-dihydroxy-10-methylundecanoic acid

Author

Zhang, Xianshu, Da, Shijun, Zhang, Chaoxin, Xie, Zhixiang, and Li, Ying

Subjects
*OXIDATION, *CHEMICAL reactions, *CHEMICAL reduction, *HYDROCARBONS
Abstract

Abstract: The first total synthesis of (3S,6R)-3,6-dihydroxy-10-methylundecanoic acid was accomplished from commercially available 1-bromo-3-methylbutane in 11 steps and 25.8% overall yield. The key steps were asymmetric allylic alkylations via allyldiisopinocampheylborane and hydroboration–oxidation. [Copyright &y& Elsevier]

Published
2006
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2. Expeditious synthesis of the aromatic spiroketal skeleton using hetero-Diels–Alder cycloaddition

Author

Zhou, Guanglian, Zheng, Deping, Da, Shijun, Xie, Zhixiang, and Li, Ying

Subjects
*ALDER, *ETHERS, *ESTERS, *ORGANIC compounds
Abstract

Abstract: The hetero-Diels–Alder reactions of enolic ethers generated from methylenation of various esters are described, which allow for the rapid synthesis of various substituted [6,6] aromatic spiroketal skeletons. [Copyright &y& Elsevier]

Published
2006
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