Synthesis and photochrornic properties of 2H,9H-indeno[1,2-f]- and 3H,7H-indeno[2,1-i]-naphtho[2,1-b]pyrans

被引：2
|
作者：
Gabbutt, CD [1 ]
Heron, BM
Mars, CA
Partington, SM
机构：
[1] Univ Leeds, Dept Colour & Polymer Chem, Leeds LS2 9JT, W Yorkshire, England
[2] James Robinson Ltd, Huddersfield, W Yorkshire, England
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2005年 / 430卷
关键词：
indenonaphthopyran; naphthopyran; photomerocyanine; Suzuki coupling;
D O I：
10.1080/15421400590946334
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Expedient syntheses of the 3-hydroxy- and 6-hydroxy- derivatives of 11H-benzo[a]-fluoren-11-one, obtained via Suzuki-Miyaura couplings are described. Reactions of these phenols with 1,1-diarylprop-2-yn-1-ols give indeno[2,1-i]- and indeno[1,2-f]naphtho[2,1-b]pyranones respectively. The photochromic properties of these and the reduced derivatives are reported. A rationale for the pronounced hypsochromic shift in lambda(max) of the photomerocyanine from a 2H,9H-indeno[1,2-f]naphtho[2,1-b]pyran is presented.
引用
收藏
页码：167 / 172
页数：6
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