Patent ID: 7846576
Filing Date: 2010-12-07
Classification: C07C,C07D,C07F,H01M,Y02E

Abstract:
1. An onium salt illustrated by the general formula (I′); wherein R 1 is a fluorine-substituted mono-valent hydrocarbon group, R 2 is a mono-valent organic residue selected from the group consisting of a fluorinated hydrocarbon group, an acyl group, a fluorinated acyl group, a sulfonyl group, a fluorinated sulfonyl group and a fluorinated benzenesulfonyl group, and Z 1 + is an organic onium ion other than pyridinium ion, pyridazinium ion, pyrimidinium ion, pyrazinium ion, imidazolium ion, pyrazolium ion, oxazolium ion and triazolium ion which may have a substituent.