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Stereoselective synthesis of tetrahydroisoquinoline alkaloids: (-)-trolline, (+)-crispin A, (+)-oleracein E
被引:34
|作者:
Kawai, Nobuyuki
[1
]
Matsuda, Mika
[1
]
Uenishi, Jun'ichi
[1
]
机构:
[1] Kyoto Pharmaceut Univ, Kyoto 6078412, Japan
来源:
基金:
日本学术振兴会;
关键词:
Tetrahydroisoquinoline alkaloids;
(S)-(-)-Trolline;
(R)-(+)-Crispin A;
(R)-(+)-Oleracein E;
Bi(OTf)(3)-Catalyzed cyclization;
1,3-Chirality transfer reaction;
ENANTIOSELECTIVE SYNTHESIS;
ASYMMETRIC-SYNTHESIS;
ISOQUINOLINE;
DERIVATIVES;
METATHESIS;
CARBOLINE;
EFFICIENT;
IMINES;
ACID;
D O I:
10.1016/j.tet.2011.09.033
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Tetrahydroisoquinoline alkaloids, (S)-(-)-trolline, (R)-(+)-crispin A, and (R)-(+)-oleracein E, have been synthesized stereoselectively from the both enantiomers of common intermediate (S)-4 and (R)-4. The key step in the synthesis include a stereoselective Bi(OTf)(3)-catalyzed intramolecular 1,3-chirality transfer reaction of chiral non-racemic amino allylic alcohols (S)-6 and (R)-6 to construct both enantiomers of (E)-1-propenyl tetrahydroisoquinoline 4. (C) 2011 Elsevier Ltd. All rights reserved.
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页码:8648 / 8653
页数:6
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