Method for preparation of benzyl mercaptan

Details Method for preparation of benzyl mercaptan Method for preparation of benzyl mercaptan

1987-01-30

1988-04-26

Ceperley, Mary E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

C07C14800

Patent

active

047406232

ABSTRACT:
A method for the preparation of benzyl mercaptan is disclosed which comprises reacting a benzyl halide of the formula ##STR1## wherein X is chlorine or bromine, with an alkali metal hydrosulfide salt, at a temperature and for a sufficient period of time to cause formation of the benzyl mercaptan, said reaction being conducted under a hydrogen sulfide atmosphere at a temperature of about 50.degree. C. until approximately 90% of the starting material is converted to the benzyl mercaptan, then increasing the temperature to about 80.degree. C. for the balance of the reaction, the initial concentration of said hydrosulfide salt in solution being between about 5% and about 30% by weight.

REFERENCES:
patent: 1842414 (1932-01-01), Leaper
patent: 2456588 (1948-12-01), Loverde
patent: 4082790 (1978-04-01), Speier
W. Hoffman et al, J. Amer. Chem. Soc., vol. 45, p. 1833 (1923).

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