共 50 条
Synthetic study of fomitellic acids: construction of the AB ring moiety
被引:26
|作者:
Yamaoka, Makoto
[1
]
Fukatsu, Yuichi
[1
]
Nakazaki, Atsuo
[1
]
Kobayashi, Susumu
[1
]
机构:
[1] Tokyo Univ Sci, Fac Pharmaceut Sci, RIKADAI, Noda, Chiba 2788510, Japan
基金:
日本学术振兴会;
关键词:
Titanium(III)-mediated radical cascade cyclization;
Epoxypolyene;
Vinylogous Mukaiyama aldol reaction;
Triterpenoid;
1ST TOTAL-SYNTHESIS;
CATALYTIC EPOXYPOLYENE CYCLIZATION;
DNA-POLYMERASE;
STRAIGHTFORWARD SYNTHESIS;
STRUCTURAL DETERMINATION;
RADICAL CYCLIZATIONS;
REVISED STRUCTURES;
TERPENOIDS;
PALMEROLIDE;
TITANOCENE(III);
D O I:
10.1016/j.tetlet.2009.04.039
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Stereocontrolled synthesis of a fully functionalized AB ring moiety of fomitellic acids was accomplished. The tricyclic skeleton was stereoselectively constructed by means of titanium(III)-mediated radical cascade cyclization of epoxypolyene. The stereochemistry at C1 and C3 was controlled by a vinylogous Mukaiyama aldol reaction and a Sharpless asymmetric epoxidation, respectively. (c) 2009 Elsevier Ltd. All rights reserved.
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页码:3849 / 3852
页数:4
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