PERMETHYLATED BETA-CYCLODEXTRIN AS CHIRAL SOLVATING AGENT FOR THE NMR ASSIGNMENT OF THE ABSOLUTE-CONFIGURATION OF CHIRAL TRISUBSTITUTED ALLENES

被引:47
作者
UCCELLOBARRETTA, G [1 ]
BALZANO, F [1 ]
CAPORUSSO, AM [1 ]
IODICE, A [1 ]
SALVADORI, P [1 ]
机构
[1] CNR,CTR STUDIO MACROMOLEC STEREORDINATE & OTTICAMENTE,DIPARTIMENTO CHIM & CHIM IND,I-56126 PISA,ITALY
关键词
D O I
10.1021/jo00112a050
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Permethylated beta-cyclodextrin is a convenient chiral solvating agent (CSA) for the determination by NMR of the enantiomeric purities of chiral trisubstituted allenes and of their absolute configuration. Al the allene proton resonances are deshielded, and this effect is stronger for the (S)-enantiomer of the allene than for the (R)-enantiomer.
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收藏
页码:2227 / 2231
页数:5
相关论文
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