Rhodium(I)-catalyzed carbonyl allenylation versus propargylation via redox transmetalation across tetragonal tin(II) oxide

被引：68

作者：

Banerjee, M ^{[1
]}

Roy, S ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem, Organomet & Catalysis Lab, Kharagpur 721302, W Bengal, India

来源：

ORGANIC LETTERS | 2004年 / 6卷 / 13期

关键词：

D O I：

10.1021/ol0493352

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A reagent combination of beta-SnO and catalytic [Rh(COD)CI](2) in THF-H2O promotes the reaction of propargyl bromides and aldehydes and directs the regioselectivity toward the formation of either allenic alcohols or homopropargylic alcohols. This highly regioselective either/or transformation proceeds via a transmetalation from rhodium to tin, in which metallotropic rearrangement between a propargylmetal and allenylmetal is arrested.

引用

页码：2137 / 2140

页数：4

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