Synthesis of 5/7-, 5/8- and 5/9-bicyclic lactam templates as constraints for external β-turns

被引:26
作者
Duggan, HME [1 ]
Hitchcock, PB [1 ]
Young, DW [1 ]
机构
[1] Univ Sussex, Dept Chem, Brighton BN1 9QJ, E Sussex, England
关键词
D O I
10.1039/b503014e
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The 5/7-, 5/8- and 5/9-bicyclic lactams 3, 17, 5 and 6 have been synthesised as single diastereoisomers by a route involving ring closing olefin metathesis. The X-ray crystal structure of the amino acid hydrochloride 17 has been carried out and compared to that of the saturated external beta-turn constraint 18.
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页码:2287 / 2295
页数:9
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