A Novel Catalytic Effect of Lead on the Reduction of a Zinc Carbenoid with Zinc Metal Leading to a Geminal Dizinc Compound. Acceleration of the Wittig-Type Olefination with the RCHX2-TiCl4-Zn Systems by Addition of Lead

DOI: 10.1021/jo00089a002

Source and publish data:

Journal of Organic Chemistry p. 2668 - 2670 (1994)

Update date:2022-08-10

Topics:

Authors:

Takai, Kazuhiko

Kakiuchi, Tadahiro

Kataoka, Yasutaka

Utimoto, Kiitiro

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Article abstract of DOI:10.1021/jo00089a002

A catalytic amount of lead promotes further reduction of zinc carbenoid (ICH2ZnI) with zinc in THF to give a geminal dizinc compound (CH2(ZnI)2), which is a key intermediate for the methylenation of carbonyl compounds with a CH2I2, zinc, and TiCl4 system.

Full text of DOI:10.1021/jo00089a002

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