Chemical process for the preparation of oxamide derivatives and

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

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558445, 560169, 564153, C07C23710, C07C23708, C07C23712, C07C25529

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active

049787861

ABSTRACT:
A process is described for the preparation of oxamide derivatives wherein one or both --NH.sub.2 groups are replaced by primary or secondary amino groups, through reaction of oxamide with a suitably selected amine of formula RR.sup.1 NH wherein R represents a substituted straight or branched (C.sub.2 -C.sub.12)alkyl radical wherein the substituent(s) or at least one of the substituents is selected from the group consisting of hydroxy, amino, mono-substituted amino, and di-substituted amino, and R.sup.1 represents hydrogen or an optionally substituted (C.sub.1 -C.sub.6)alkyl radical; representative oxamide derivatives which can thus be obtained useful as corrosion inhibitors, intermediates for polymers, polymer stabilizers, and slow-release fertilizers, are also described.

REFERENCES:
patent: 2294878 (1942-09-01), Hummel et al.
patent: 2461509 (1949-02-01), Harvey et al.
patent: 4119615 (1978-10-01), Schulze
Wagner & Zook, Synthetic Organic Chemistry, Wiley & Sons, 1953, p. 568.
March, Advanced Organic Chemistry, 3rd Ed., Wiley & Sons, 1985, pp. 376-377.

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