Facile and Selective Deallylation of Allyl Ethers Using Diphosphinidenecyclobutene‐Coordinated Palladium Catalysts.

Abstract

Deprotection O 0345 Facile and Selective Deallylation of Allyl Ethers Using Diphosphinidenecyclobutene-Coordinated Palladium Catalysts. -PPC is found to be an efficient catalyst for the deallylation of various allyl ethers in aniline. A number of functional groups are tolerated under these conditions. Selective deallylation of the allyl ether group in the presence of allyl ester moiety is possible. Allylic carbamates [cf. (VIII)] undergo cleavage into amines and CO 2 . -(MURAKAMI, H.; MINAMI, T.; OZAWA*, F.; J. Org.