ChemInform Abstract: Hydrogen Transfer Hydrozirconation of Alkenes with iBuZrCp2Cl Catalyzed by Lewis-Acidic Metal Compounds Containing Al, Zn, Si, Ag, and Pd.

✍ Scribed by Hidefumi Makabe; Ei-ichi Negishi

• Publisher: John Wiley and Sons
• Year: 2010
• Weight: 35 KB
• Volume: 30
• Category: Article
• ISSN: 0931-7597
• DOI: 10.1002/chin.199932056

✦ Synopsis

Hydrogen Transfer Hydrozirconation of Alkenes with iBuZrCp 2 Cl Catalyzed by Lewis-Acidic Metal Compounds Containing Al, Zn, Si, Ag, and Pd. -The hydrozirconation reaction of monosubstituted alkenes with ZrCl(iBu)(Cp) 2 is significantly improved under catalysis of Lewis acids such as AlCl 3 , Me 3 SiI, ZnCl 2 , or several palladium catalysts. By use of the proper catalyst, the hydrozirconation can be selectively carried out in the presence of ether [cf. (IIIb), (IIIc)] or ester groups [cf. (VII)] furnishing side products below 5% yield. -(MAKABE, HIDEFUMI; NEGISHI, EI-ICHI;