Process for the preparation of mercaptomethylphenols

Details Process for the preparation of mercaptomethylphenols Process for the preparation of mercaptomethylphenols

C - Chemistry, Metallurgy

07

C

260/620.1, 260/5

C07C 319/18 (2006.01) C07C 319/00 (2006.01) C07C 319/14 (2006.01) C07C 321/06 (2006.01) C07C 323/04 (2006.01) C07C 323/07 (2006.01) C07C 323/16 (2006.01) C07C 323/51 (2006.01) C08K 5/37 (2006.01) C09K 15/14 (2006.01) C10M 135/24 (2006.01) C10M 135/26 (2006.01) C10M 135/30 (2006.01)

Patent

CA 1282074

Process for the preparation of mercaptomethylphenols ABSTRACT OF THE DISCLOSURE There is disclosed a process for the preparation from phenols by reaction with formaldehyde and mercaptans in the presence of mono-, di-or trimethylamine or mono- or diethylamine of compounds of formula I or II Image (I) (II) wherein for example, R1 is C1-C20alkyl, R2 is hydrogen or C1-C20alkyl, R3 and R4 are each independently of the other C1-C20alkyl, allyl or C5-C12cycloalkyl, Z, is -S- and Z2 is hydrogen, C1-C20alkyl or CH2-S-R1. The mercaptomethylphenols are valuable antioxidants for plastics, elastomers, mineral oils and synthetic lubricants.

555058

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