THE EFFECT OF THALLIUM (I) SALTS ON PALLADIUM CATALYZED TANDEM CYCLIZATION-ANION CAPTURE PROCESSES

被引：51

作者：

GRIGG, R

LOGANATHAN, V

SUKIRTHALINGAM, S

SRIDHARAN, V

机构：

[1] School of Chemistry, Leeds University, Leeds

来源：

TETRAHEDRON LETTERS | 1990年 / 31卷 / 45期

关键词：

D O I：

10.1016/S0040-4039(00)97120-X

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The effect of the addition of 1 mol. of various additives [NEt4Cl, Ag(I) and Tl(I) salts] on selectively suppressing direct capture processes has been studied for hydride ion transfer (from formate) and phenyl transfer (from PhZnC1). The additives can promote cyclisation-anion capture at the expense of direct capture with Tl(I) salts being especially useful although in one case NEt4Cl promotes direct capture. The addition of Tl(I) formate diverts the cyclisation-hydride ion capture process into a new reaction channel in one case. © 1990.

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页码：6573 / 6576

页数：4

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