Tandem Hydroformylation/Reductive Amination of 3??Allyl??2??methylquinazolin??4 (3H)??one

YA El??Badry, AF El??Farargy…

Index: El-Badry, Yaser A.; El-Farargy, Ahmed F.; Eilbracht, Peter Helvetica Chimica Acta, 2013 , vol. 96, # 9 p. 1782 - 1792

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Abstract

Abstract The 3-allyl-2-methylquinazolin-4 (3H)-one (1), a model functionalized terminal olefin, was submitted to hydroformylation and reductive amination under optimized reaction conditions. The catalytic carbonylation of 1 in the presence of Rh catalysts complexed with phosphorus ligands under different reaction conditions afforded a mixture of 2-methyl-4- oxoquinazoline-3 (4H)-butanal (2) and α, 2-dimethyl-4-oxoquinazoline-3 (4H)-propanal (3 ...