Process for producing improved crystals of 3-amino-2-hydroxyacet

Details Process for producing improved crystals of 3-amino-2-hydroxyacet Process for producing improved crystals of 3-amino-2-hydroxyacet

1996-03-14

1997-10-21

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

564418, 564437, 564439, 564443, C07C20982

Patent

active

056798598

ABSTRACT:
The present invention concerns a process for producing crystals of 3-amino-2-hydroxyacetophenone salt having a high bulk density and improved flow properties, by treating 3-amino-2-hydroxyacetophenone of formula (1) ##STR1## or hydrogen halide salt thereof with sulfuric acid, in a solvent.

REFERENCES:
WPI Abstract No. 94-147899/ 18 and JP 060092916 A2 (ONO), 1994.
Chemical Abstracts 120:163700 and JP 050279305 A2 (ONO), 1992.

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