Method of manufacturing N-alkyl-N'-methyl-alkyleneureas, particu

Details Method of manufacturing N-alkyl-N'-methyl-alkyleneureas, particu Method of manufacturing N-alkyl-N'-methyl-alkyleneureas, particu

1988-01-15

1989-09-05

Schwartz, Richard A.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

548317, C07D23334, C07D23910

Patent

active

048640263

ABSTRACT:
A method of manufacturing N-alkyl-N'-methyl-alkyleneureas, by reacting an alkyleneurea with formaldehyde to produce a hydroxymethyl-alkyleneurea, and further reacting said hydroxymethyl-alkyleneurea with formic acid to yield a N-alkyl-N'-methyl-alkyleneurea product, wherein the molar ratio of the N-alkyl-N'-hydroxymethyl-alkyleneureas or N,N'-(bis)hydroxymethyl-alkyleneureas is from 1-2 to 1-10, preferably 1-4 to 1-7.

REFERENCES:
patent: 2517750 (1950-08-01), Wilson
patent: 2613210 (1952-10-01), Hurwitz et al.
Organic Reactions, vol. 5, p. 301 (1949) "The Leuckart Reaction".

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