A NEW PREPARATION OF DIORGANOZINCS FROM OLEFINS VIA A NICKEL-CATALYZED HYDROZINCATION

Authors
VETTEL S VAUPEL A KNOCHEL P
Citation
S. Vettel et al., A NEW PREPARATION OF DIORGANOZINCS FROM OLEFINS VIA A NICKEL-CATALYZED HYDROZINCATION, Tetrahedron letters, 36(7), 1995, pp. 1023-1026
Citations number
20
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
36
Issue
7
Year of publication
1995
Pages
1023 - 1026
Database
ISI
SICI code
0040-4039(1995)36:7<1023:ANPODF>2.0.ZU;2-I
Abstract
The reaction of olefins with diethylzinc in the presence of catalytic amounts of Ni(acac)(2) provides dialkylzincs (neat, 40-50 degrees C, 2 -6 h). These zinc reagents can be trapped by various electrophiles or used for the catalytic asymmetric addition to aldehydes (> 85 % ee). A llylic and homoallylic alcohols are especially good substrates for the reaction.