Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1991-11-12
1993-10-26
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
560147, C07C14800
Patent
active
052568180
ABSTRACT:
A novel method for making .beta.-mercaptopropionic acid which comprises adding alkaline hydroxide to thiodipropionic acid to obtain alkaline thiodipropionate, mixing thus obtained alkaline thiodipropionate with an aqueous solution of alkaline sulfide, then reacting the mixed solution with addition of heating in a required time, and acidifying the reacted solution with a strong acid.
REFERENCES:
patent: 3927085 (1975-12-01), Zengel et al.
Dees Jos,e G.
MacMillan Keith
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