Alkylpyridone DE ring intermediates useful for the manufacture o

Details Alkylpyridone DE ring intermediates useful for the manufacture o Alkylpyridone DE ring intermediates useful for the manufacture o

1992-10-29

1993-09-07

Dentz, Bernard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D491052

Patent

active

052430502

ABSTRACT:
Compounds of Formula I ##STR1## are made in accordance with the following scheme: ##STR2## wherein R may be loweralkyl; R.sub.1 may be H, loweralkyl, loweralkoxy, or halo; R.sub.2, R.sub.3, R.sub.4, and R.sub.5 may each independently be H, amino, hydroxy, loweralkyl, loweralkoxy, loweralkylthio, di(loweralkyl)amino, cyano, methylenedioxy, formyl, nitro, halo, trifluoromethyl, aminomethyl, azido, amido, hydrazino, or any of the twenty standard amino acids bonded to the A ring via the amino-nitrogen atom; Y is H and W and X are halogen. Also disclosed are novel processes for making starting materials for the scheme given above, and novel intermediates employed in these processes.

REFERENCES:
patent: 5191082 (1993-03-01), Comins et al.

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