Preparation of 3-mercaptopropionitrile and 3-mercaptopropionic a

Details Preparation of 3-mercaptopropionitrile and 3-mercaptopropionic a Preparation of 3-mercaptopropionitrile and 3-mercaptopropionic a

1994-04-13

1995-02-21

Prescott, Arthur C.

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

Organic compounds

Carboxylic acids and salts thereof

560147, C07C14800

Patent

active

053918207

ABSTRACT:
Facile process for the production of 3-mercaptopropionitrile and 3-mercaptopropionic acid by reacting thiodipropionitrile with alkaline hydrosulfide in the presence of alkaline hydroxide. Acidification of the resulting reaction product with a strong acid, or saponification, yields the desired mercaptopropionic acid, which can be isolated in high yield.

REFERENCES:
patent: 3927085 (1975-12-01), Zengel et al.
patent: 4052440 (1977-10-01), Gladstone et al.
patent: 4067901 (1978-01-01), Gladstone et al.
patent: 4307225 (1981-12-01), Louthan
patent: 5157147 (1992-10-01), Chisholm et al.
patent: 5256818 (1993-10-01), Tomioka

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