1999 cyclopentane derivatives

cyclopentane derivativesQ 0030

51 - 080Zinc-Mediated Reductive Dimerization-Cyclization of Ethyl Aryl-methylidenecyanoacetates in Aqueous Media. — Reductivecyclodimerization of arylmethylidenecyanoacetates (I) proceeds smoothlyin the presence of powdered zinc to furnish polyfunctionalized trans,trans-diarylcyclopentenes (III) in excellent yields and good diastereoselectivity. —(WANG, LEI; ZHANG, YONGMIN; J. Chem. Res., Synop. (1999) 7, 448-449;Dep. Chem., Zhejiang Univ., Hangzhou 310027, Peop. Rep. China; EN)

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