Synthesis of bis (4-hydroxy-dialkylphenyl) sulfide

Details Synthesis of bis (4-hydroxy-dialkylphenyl) sulfide Synthesis of bis (4-hydroxy-dialkylphenyl) sulfide

C - Chemistry, Metallurgy

07

C

402/178, 260/616

C07C 149/36 (1985.01) C08G 63/62 (1985.01)

Patent

CA 1215395

Mo-2481 PC-071 THE SYNTHESIS OF BIS(4-HYDROXY- DIALKYLPHENYL) SULFIDE ABSTRACT OF THE DISCLOSURE A high yield of pure bis(4-hydroxy-dialkylphenyl) sulfide is obtained upon a process comprising the reac- tion of the corresponding dialkylphenol with a thionyl halide by adding an appropriate solvent to the reaction mixture followed by distillation and recrystallization, said sulfides are suitable as comonomers in preparing polycarbonate resins of improved flame retardance. Mo-2481 PC-071

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