Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1981-12-11
1986-04-22
Gerstl, Robert
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
548146, C07D27704
Patent
active
045844070
ABSTRACT:
A method of preparing a thiazolidine derivative of the formula ##STR1## where R, R.sub.1, R.sub.2 R.sub.3 and R.sub.4 are each independently hydrogen or appropriate aromatic or aliphatic substituents, comprises reacting together a sulphur donor, such as sulphur or hydrogen sulphide, an aldehyde of the formula RCHO, such as benzaldehyde or formaldehyde, and an ethanolamine derivative of the formula, or including the radical, NH.sub.2 CR.sub.1 R.sub.2 CR.sub.3 R.sub.4 X, where X is a leaving group. A suitable derivative may be, for instance, aminoethylsulphate (AES). The thiazolidine derivative may be used, for example, as intermediates in the preparation of other compounds such as cysteamine.
REFERENCES:
patent: 4011233 (1977-03-01), Dobs
Sandler et al, Org. Functional Group Prep. pp. 480-481 (1968).
Fine Organics Limited
Gerstl Robert
Lewen Bert J.
Sternberg Henry
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