共 22 条
Covalent linking of coordination-organized slipped cofacial porphyrin dimers
被引:43
作者:
Ohashi, A
[1
]
Satake, A
[1
]
Kobuke, Y
[1
]
机构:
[1] Nara Inst Sci & Technol, Grad Sch Mat Sci, Nara 6300192, Japan
关键词:
D O I:
10.1246/bcsj.77.365
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Coordination-organized porphyrin chillers of 5,15-bis[2-(allyloxycarbonyl)ethyl]- and bis[3-(allyloxy)propyl]-20-(1- methyl-2-imidazolyl)porphyrinatozine were covalently linked by an intramolecular olefin metathesis reaction in excellent yields (93-98%). It was found that the yields of the intramolecular metathesis reaction depended strongly on the molecular length of the substituent at the 5 and 15 positions. Introducing longer 3-(allyloxycarbonyl)propyl and 4-(allyloxycarbonyl)butyl substituents decreased sharply the yields of the covalent linking reaction to 26% and 16%, respectively. The covalently linked dimers maintained their coordination structures even when dissolved in as polar a solvent as pyridine.
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页码:365 / 374
页数:10
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