- NbCl3-catalyzed intermolecular [2+2+2] cycloaddition of alkynes and alpha,omega-dienes: highly chemo- and regioselective formation of 5-omega-alkenyl-1,4-substituted-1,3-cyclohexadiene derivatives.
NbCl3-catalyzed intermolecular [2+2+2] cycloaddition of alkynes and alpha,omega-dienes: highly chemo- and regioselective formation of 5-omega-alkenyl-1,4-substituted-1,3-cyclohexadiene derivatives.
The Journal of organic chemistry (2010-08-05)
Yasushi Obora, Yasushi Satoh, Yasutaka Ishii
PMID20681534
ABSTRACT
Intermolecular [2+2+2] cycloaddition of tert-butylacetylene with alpha,omega-dienes was successfully achieved by NbCl(3)(DME) catalyst to afford 5-omega-alkenyl-1,4-disubstituted-1,3-cyclohexadienes in excellent yields with high chemo- and regioselectivity.
MATERIALS
Product Number
Brand
Product Description