MILD CONDITIONS FOR CYCLIZATION OF BETA-TRIKETIDES TO THE CORRESPONDING GAMMA-PYRONES CARRYING ADJACENT CHIRAL CENTERS TOWARD BIOMIMETIC SYNTHESIS OF FULLY SUBSTITUTED GAMMA-PYRONE-CONTAINING NATURAL-PRODUCTS

被引:43
作者
ARIMOTO, H [1 ]
NISHIYAMA, S [1 ]
YAMAMURA, S [1 ]
机构
[1] KEIO UNIV,FAC SCI & TECHNOL,DEPT CHEM,YOKOHAMA,KANAGAWA 223,JAPAN
关键词
D O I
10.1016/S0040-4039(00)97913-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Related to synthetic study on γ-pyrone-containing natural products, conversions of β-triketides having unstable substituents to the corresponding γ-pyrones have successfully been accomplished by the new methods under conditions using (CH3)2S+Cl or Ph3P+CX3 (or Ph3P+X, X Cl, Br) as the oxygen acceptors. © 1990.
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页码:5619 / 5620
页数:2
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