MODIFICATION OF PHOTOCHEMICAL REACTIVITY BY ZEOLITES - CATION CONTROLLED PHOTODIMERISATION OF ACENAPHTHYLENE WITHIN FAUJASITES

被引:43
作者
RAMAMURTHY, V
CORBIN, DR
KUMAR, CV
TURRO, NJ
机构
[1] UNIV CONNECTICUT,DEPT CHEM,STORRS,CT 06269
[2] COLUMBIA UNIV,DEPT CHEM,NEW YORK,NY 10027
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0040-4039(00)94330-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Photolyses of acenaphthylene included in M+ Y zeolites gave the corresponding cis and trans dimers. The ratio of the dimers formed depends on the type of cation present in the supercage. Dimerization is believed to originate from the excited singlet state in the case of lower atomic weight cations and from the triplet state in the case of higher atomic weight cation exchanged zeolites. Dimerization provides insight into the distribution and migration of molecules within the zeolite internal structures. © 1990.
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页码:47 / 50
页数:4
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