SYNTHESIS AND REACTIONS OF MONOSILYLATED 1,3,5-HEXATRIYNE AND 1,3,5,7-OCTATETRAYNE - TOTAL SYNTHESIS OF CARYOYNENCINS

被引:34
作者
YAMAGUCHI, M
PARK, HJ
HIRAMA, M
TORISU, K
NAKAMURA, S
MINAMI, T
NISHIHARA, H
HIRAOKA, T
机构
[1] KYUSHU INST TECHNOL, DEPT APPL CHEM, KITAKYUSHU 804, JAPAN
[2] KEIO UNIV, FAC SCI & TECHNOL, DEPT CHEM, YOKOHAMA, KANAGAWA 223, JAPAN
[3] SANKYO CO LTD, MED CHEM RES LABS, TOKYO 140, JAPAN
关键词
D O I
10.1246/bcsj.67.1717
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Selective monodesilylation of 1,8-bis(t-butyldiphenylsilyl)-1,3,5,7-octatetrayne and 1,6-bis(t-butyldiphenyl-silyl)-1,3,5-hexatriyne with lithiated phenylacetylene gave unstable 1-(t-butyldiphenylsilyl)-1,3,5,7-octatetrayne and 1-(t-butyldiphenylsilyl)-1,3,5-hexatriyne, respectively. The terminal acetylenes on lithiation added to aldehydes and a ketone giving polyynols in high yields. The reaction was applied to the synthesis of polyyne antibiotics, caryoynencins. Polymerization of the terminal octatetrayne on an ITO-coated glass plate gave a film, which showed conduCtiVity of 10(-4)S cm-1 when doped with SO3.
引用
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页码:1717 / 1725
页数:9
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