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First Total Syntheses of Tetracenomycins C and X
Author(s) -
Sato Shogo,
Sakata Keiichiro,
Hashimoto Yoshimitsu,
Takikawa Hiroshi,
Suzuki Keisuke
Publication year - 2017
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201707099
Subject(s) - total synthesis , chemistry , stereochemistry
The first total syntheses of tetracenomycins C and X were achieved, featuring 1) preparation of a hexasubstituted naphthonitrile oxide by successive benzyne cycloadditions and an oxidative ring‐opening reaction; 2) a novel ortho ‐quinone mono‐acetal as the A‐ring unit; 3) construction of three contiguous stereogenic centers by an asymmetric benzoin cyclization, an isoxazole oxidation, and a stereoselective reduction.
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