Stepwise synthesis of crownophanes having either one or two hydroxy groups via Claisen rearrangement

Yoshinobu Nagawa,Naoki Fukazawa,Jun-ichi Suga,Michael Horn,Hideo Tokuhisa,Kazuhisa Hiratani,Kunihiro Watanabe

TETRAHEDRON LETTERS（2000）

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摘要

Bis(naphthyl)crownophanes having an isobutenyl group and different ring size were synthesized. By control of the reaction temperature and time, both the first-step product having one hydroxyl group and the second-step product having two hydroxy groups can be isolated in high yields. (C) 2000 Elsevier Science Ltd. All rights reserved.

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关键词

macrocyclic polyethers,crownophanes,Claisen rearrangement,naphthol derivatives

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