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SYNTHESIS OF (-)-(6R)-TETRAHYDRO-6-[(Z-PENT-2-ENYL]-2H-PYRAN-2-ONE AND (+)-(6S)-TETRAHYDRO-6-[(Z)-PENT-2-ENYL]-2H-PYRAN-2-ONE, LACTONES FROM JASMINUM-GRANDIFLORUM L AND FROM POLIANTHES-TUBEROSA L
被引:12
作者:
BLASER, F
[1
]
DESCHENAUX, PF
[1
]
KALLIMOPOULOS, T
[1
]
JACOTGUILLARMOD, A
[1
]
机构:
[1] UNIV NEUCHATEL,INST CHIM,51 AVE BELLEVAUX,CH-2000 NEUCHATEL,SWITZERLAND
关键词:
D O I:
10.1002/hlca.19910740412
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
(-)-(2S)-Ethyl 2-hydroxyhexanedioate ((2S)-2) was obtained by kinetic resolution of racemic ethyl 2-hydroxyhexanedioate with baker's yeast. The key intermediates (+)-(5R)- and (-)-(5S)-ethyl 5,6-epoxyhexanoate ((5R)-and (5S)-6, resp.) are proved to be useful synthons for the total synthesis of chiral 6-alkyl-delta-lactones, as exemplified by the preparation of both enantiomers of jasmine lactone ((6R)- and (6S)-10, resp.).
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页码:787 / 790
页数:4
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