Patent ID: 7528285
Filing Date: 2009-05-05
Classification: C07C

Abstract:
1. A process of preparing a thiomethylphenol of Formula (I), which comprises a step of performing a reaction of a phenol derivative of Formula (II), a mercaptan derivative of R 2 SH and paraformaldehyde in a solvent in the presence of a C 4 -C 10 heterocyclic amine base and acids: wherein R 1 is a hydrogen atom, a C 1 -C 16 linear or branched alkyl, or an alkyl group comprising an aromatic group; R 2 is a C 1 -C 16 linear or branched alkyl or an alkyl group comprising an aromatic group; X is —(CH 2 ) n —, —CMe 2 - or —Y— wherein Y is an aromatic compound selected from the group consisting of benzene, biphenyl, toluene and naphthalene or an aromatic compound having at least one substituted alkyl group; n is an integer of 0-8; and m is 0 or 1, and when m is 0, the phenyl ring is bonded to hydrogen.