Organic & biomolecular chemistry

Synthesis of phthalazinones via palladium (ii)-catalysed intramolecular oxidative C–H/C–H cross-coupling of N′-methylenebenzohydrazides

T Matsuda, Y Tomaru, Y Matsuda

Index: Matsuda, Takanori; Tomaru, Yuki; Matsuda, Yoshiya Organic and Biomolecular Chemistry, 2013 , vol. 11, # 13 p. 2084 - 2087

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Citation Number: 5

Abstract

A palladium (II)-catalysed intramolecular oxidative C–H/C–H cross-coupling of N′- methylenebenzohydrazides to phthalazin-1 (2H)-ones has been developed. This cyclization is believed to mechanistically proceed via electrophilic ortho-palladation and subsequent C- arylation of the carbon–nitrogen double bond.