Synthesis and transformations of metallacycles 42. Cp2ZrCl2-Catalyzed cycloalumination of 3-methylidenespiro[cyclobutane-1,3′-(5′α)-cholestane] with Et3Al
作者:U. M. Dzhemilev、R. A. Tuktarova、I. I. Islamov、L. M. Khalilov、Z. A. Starikova、V. A. D’yakonov
DOI:10.1007/s11172-013-0027-z
日期:2013.1
A Cp2ZrCl2-catalyzed cycloalumination of 3-methylidenespiro[cyclobutane-1,3′-(5′α)-cholestane] with Et3Al gives 3-ethyl-3-aluminadispiro[cyclopentane-1,1′-cyclobutane-3′,3″-(5″α)-cholestane] in 84% yield.