Process for preparing cysteamine-S-substituted compounds and der

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260944, 260978, C07F 902, C07C16105

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active

043714722

ABSTRACT:
A process for preparing a cysteamine-S-substituted compound involves reacting ethyleneimine or ethyleneimine derivatives with a thiosulfate or thiophosphate in the presence of a cation exchanger of a free type. Use of the cation exchanger of a free type in this reaction allows preparation of the cysteamine-S-substituted compound with an amazingly high purity in a high yield.

REFERENCES:
patent: 3468925 (1969-09-01), Brois
Calmon, et al., Ion Exchangers in Organic and Biochemistry, p. 659 Interscience Publishers, Inc., N.Y., 1957.
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 14, p. 102.
Dermer & Ham, Ethyleneimine and Other Aziridines, Academic Press, 1969, pp. 315-316.

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