Tandem reactions of Friedel–Crafts/aldehyde cyclotrimerization catalyzed by an organotungsten Lewis acid

HS Wang, SJ Yu

Index: Wang, Hsing-Shiun; Yu, Shuchun Joyce Tetrahedron Letters, 2002 , vol. 43, # 6 p. 1051 - 1055

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Citation Number: 7

Abstract

The tris(2-pyridyl)phosphine complex [P(2-py) 3 W(CO)(NO) 2 ](BF 4 ) 2 acts as a Lewis acid catalyst precursor for the tandem reactions of Friedel–Crafts/aldehyde cyclotrimerization, which lead to the formation of a series of hyper-branched star polymers. ... The organotungsten complex