Process for the preparation of 3'-aminopropyl 2-chloroethyl sulf

Details Process for the preparation of 3'-aminopropyl 2-chloroethyl sulf Process for the preparation of 3'-aminopropyl 2-chloroethyl sulf

1992-06-10

1993-07-13

Ramsuer, Robert W.

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

Organic compounds

Amino nitrogen containing

564500, C07C31502

Patent

active

052275272

ABSTRACT:
A process for the preparation of 3'-aminopropyl 2-chloro- ethyl sulfone semisulfate in very good yield and high purity, by reacting allylamine with mercaptoethanol in a one-pot process in about 0.5 to about 0.6 mol of dilute sulfuric acid, relative to allylamine, at temperatures of about 0.degree. C. up to the boiling point of the reaction mixture in the presence of a free-radical initiator, introducing 2.0 to about 2.5 mol of chlorine into the resultant reaction mixture at temperatures of about 0.degree. C. to about 100.degree. C. and then concentrating the mixture obtained to dryness.

REFERENCES:
patent: 2824887 (1958-02-01), Klopping
patent: 4709018 (1987-11-01), Seitz
patent: 4841028 (1989-06-01), Aeschlimann et al.

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