Process for the preparation of a substituted 2,5-diamino-3-hydro

Details Process for the preparation of a substituted 2,5-diamino-3-hydro Process for the preparation of a substituted 2,5-diamino-3-hydro

1995-04-03

1996-07-30

Shah, Mukund J.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548491, 564256, 564265, C07C25178, C07C22114, C07C20944

Patent

active

055413285

ABSTRACT:
A substantially pure compound of formula: ##STR1## wherein R.sub.6 and R.sub.7 are independently selected from ##STR2## wherein R.sub.a and R.sub.b are independently selected from hydrogen, loweralkyl and phenyl and R.sub.c, R.sub.d and R.sub.e are independently selected from hydrogen, loweralkyl, trifluoromethyl, alkoxy, halo and phenyl; and ##STR3## wherein the naphthyl ring is unsubstituted or substituted with one, two or three substitutents independently selected from loweralkyl, trifluoromethyl, alkoxy and halo; or

REFERENCES:
patent: 2784228 (1957-03-01), Hartung
patent: 3933803 (1976-01-01), Manghisi et al.
patent: 5177259 (1993-01-01), Connor et al.
Stuk, et al., J. Org. Chem. 59 4040-4041 (1994). Month of publication not provided.
Ghosh, et al., J. Org. Chem. 58 1025 (1993). Month of Publication Not Provided.
Brillon, et al., J. Org. Chem. 57 1838 (1992). Month of Publication Not Provided.

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