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 RCHX(2)-TICL4-ZN SYSTEMS BY ADDITION OF LEAD

Citation
K. Takai et al., 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 RCHX(2)-TICL4-ZN SYSTEMS BY ADDITION OF LEAD, Journal of organic chemistry, 59(10), 1994, pp. 2668-2670
Citations number
43
Categorie Soggetti
Chemistry Inorganic & Nuclear
ISSN journal
00223263
Volume
59
Issue
10
Year of publication
1994
Pages
2668 - 2670
Database
ISI
SICI code
0022-3263(1994)59:10<2668:NCEOLO>2.0.ZU;2-6
Abstract
A catalytic amount of lead promotes further reduction of zinc carbenoi d (ICH2ZnI) with zinc in THF to give a geminal dizinc compound (CH2(Zn I)(2)), which is a key intermediate for the methylenation of carbonyl compounds with a CH2I2, zinc, and TiC4 system.