Manufacture of N-[3,4-dimethylphenyl]-D-ribamine

Details Manufacture of N-[3,4-dimethylphenyl]-D-ribamine Manufacture of N-[3,4-dimethylphenyl]-D-ribamine

1978-07-11

1979-12-25

Doll, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

536 53, C07C 9140

Patent

active

041805232

ABSTRACT:
A process for the manufacture of N-[3,4-dimethylphenyl]-D-ribamine, in which
(a) a mixture of 3,4-dimethylaniline and/or 3,4-dimethylnitrobenzene and a D-ribonic acid derivative of the formula ##STR1## where each R' is hydrogen or one of the R's together with R" is a single bond, R" is hydroxyl, R'" --O-- or, together with R', a single bond, and R'" is a hydrocarbon radical of 1 to 10 carbon atoms which may or may not be substituted by hydroxyl groups, or
(b) D-ribonic acid 3,4-dimethylanilide is catalytically hydrogenated in an inert solvent at from above 100.degree. C. to 155.degree. C.

REFERENCES:
patent: 2193433 (1940-03-01), Salzberg
patent: 2411611 (1946-11-01), Bergel et al.
patent: 2422997 (1947-06-01), Wuest
patent: 4026944 (1977-05-01), Bohm
Adams, "Organic Reactions", vol. 8, p. 7 (1954).

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