MODIFICATION OF HOST PHOTOBEHAVIOR BY FORMATION OF CRYSTALLINE HOST-GUEST ASSEMBLIES

被引:6
|
作者
FU, TY [1 ]
OLOVSSON, G [1 ]
SCHEFFER, JR [1 ]
TROTTER, J [1 ]
机构
[1] UNIV BRITISH COLUMBIA, DEPT CHEM, VANCOUVER, BC V6T 1Z1, CANADA
关键词
D O I
10.1016/0040-4039(95)00796-F
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
9,10-Dihydro-9,10-ethenoanthracene-11,12-bis(diphenylmethanol) (1) forms stable crystalline complexes with ethanol, acetone and toluene. In solution, diol 1 undergoes the di-pi-methane photorearrangement, but irradiation of the complexes in the crystalline state leads to a novel dehydration reaction. X-ray crystallography reveals the probable source of this difference in behavior: pre-organization of the hydroxyl groups in the solid state in a hydrogen-bonded arrangement that is particularly favorable for dehydration.
引用
收藏
页码:4353 / 4356
页数:4
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