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Stereodivergent synthesis of 1,4-bifunctional compounds by regio- and diastereoselective Pd-catalyzed allylic substitution reaction
被引:9
|作者:
Maezaki, Naoyoshi
[1
]
Yano, Masahiro
[1
]
Hirose, Yuki
[1
]
Itoh, Yoshikazu
[1
]
Tanaka, Tetsuaki
[1
]
机构:
[1] Osaka Univ, Grad Sch Pharmaceut Sci, Suita, Osaka 5650871, Japan
来源:
关键词:
catalytic reaction;
1,4-bifunctional compound;
stereoselective reaction;
1,3-asymmetric transfer;
D O I:
10.1016/j.tet.2006.08.057
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Highly stereoselective synthesis of 1,4-bifunctional compounds was accomplished via 1,2-asymmetric induction to alpha-oxyaldehyde and alpha-oxyketone followed by regio- and diastereoselective Pd-catalyzed allylic substitution reaction. We found that trifluoroacetate is a suitable leaving group for the allylic substitution reaction. Various nucleophiles containing carbon, nitrogen, and sulfur can be applied to the method. Both 1,4-syn- and 1,4-anti-adducts were synthesized with high stereoselectivity by using stereodivergent reduction of the propargyl alcohols followed by allylic substitution reaction. (c) 2006 Elsevier Ltd. All rights reserved.
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页码:10361 / 10378
页数:18
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