Process for producing 2-mercaptoethylamine hydrohalides

Details Process for producing 2-mercaptoethylamine hydrohalides Process for producing 2-mercaptoethylamine hydrohalides

A - Human Necessities

61

K

260/602.1, 260/6

A61K 31/13 (2006.01) A61K 31/095 (2006.01)

Patent

CA 1173461

ABSTRACT OF THE DISCLOSURE A process is disclosed for producing 2-mercaptoethylamine hydrobalides of the general formula: Image (111) wherein R1, R2, R3 and R4 are the same or different and each represents hydrogen, lower alkyl, hydroxy lower alkyl or phenyl and X represents halogen, which process comprises reacting a 2-mercaptothiszoline of the general formula: Image (I) with a 2-halogenoethylamine hydrohalide of the general formula: Image (II) wherein R1 to R4 and X are as defined above, in the presence of water. The 2-morcaptoethylamine hydrohalides (111) are obtained in high purity by a safer and less expensive process.

381732

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