期刊
TETRAHEDRON LETTERS
卷 51, 期 2, 页码 449-452出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.11.062
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-
资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [471]
Enantiomerically pure and racemic forms of calixsalen-type macrocycles 1 and 2 were synthesized and their crystal structures were determined. The enantiomerically pure crystals of (S,S,S,S,S,S)-1 exhibited thermally reversible photochromism from yellow to orange-red upon photoirradiation in the solid state, while rac-crystals of 2 with the guest CH3CN did not show any photocolouration. (C) 2009 Elsevier Ltd. All rights reserved.
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