Substituted 3-aminosydnone imines, process for their...

C - Chemistry – Metallurgy – 07 – D

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C07D 271/04 (2006.01) A61K 31/445 (2006.01) C07D 211/98 (2006.01) C07D 413/04 (2006.01)

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CA 2020217

Ref.3432 Dr.Eu/L10765 Abstract Substituted 3-aminosydnone imines of the formula I Image (I) and their pharmacologically acceptable acid addition salts, in which R1 denotes e.g. hydrogen; R2 denotes e.g. an alkyl radical; at least two of the radicals R3, R4, R5 and R6 denote alkyl radi- cals and the others denote hydrogen, are prepared by cyclization of a compound of the formula II Image (II) and, if appropriate, subsequent acylation, and have useful pharmacological properties.

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