Photocycloaddition of angelicin and its thiinone analogue to 2,3-dimethylbut-2-ene

被引:6
|
作者
Bethke, J
Jakobs, A
Margaretha, P
机构
[1] UNIV HAMBURG,INST ORGAN CHEM,D-20146 HAMBURG,GERMANY
[2] UNIV LIEGE,INST HETEROCYCL ORGAN CHEM,B-4000 LIEGE,BELGIUM
关键词
coumarin photochemistry; thiocoumarin photochemistry;
D O I
10.1016/S1010-6030(96)04553-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
On irradiation (350 nm) in benzene containing 2,3-dimethylbut-2-ene, angelicin (2) and thioangelicin 3 undergo selective cyclobutane formation at the six-membered heterocycle, i.e, at the pyranone and thiinone C=C double bond respectively. (C) 1997 Elsevier Science S.A.
引用
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页码:83 / 84
页数:2
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