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Start Over Author "Quan-Zhi Yang" Topic azepines
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1. An Approach to the Synthesis of Pyrimido[b]azepines via Ruthenium-Catalyzed Ring-Closing Metathesis.

Author

Tong-Bo Zhang, Quan-Zhi Yang, Yuan-Yuan Cao, Shao-Tong Wu, Yu Zhang, Ying Guo, Jian-Xiong Zhao, Xue-Feng Sun, Zhi-Li Zhang, Chao Tian, Jun-Yi Liu, and Xiao-Wei Wang

Subjects
*AZEPINES, *PYRIMIDINES, *METATHESIS reactions, *CRYSTAL structure, *RUTHENIUM catalysts
Abstract

A highly efficient approach to the synthesis of a series of pyrimido[b]azepines has been developed with 5-allyl-2,4,6-trichloropyrimidine as the starting material in six or seven steps via a ring-closing metathesis (RCM) reaction. The absolute configuration of the key intermediate pyrimido[4,5-b]azepine was ascertained by X-ray crystal structure analysis. [ABSTRACT FROM AUTHOR]

Published
2015
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