Process for preparation of a

Details Process for preparation of a Process for preparation of a

1998-01-21

1999-01-26

Morris, Patricia L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24912

Patent

active

058640428

ABSTRACT:
The invention provides a process for preparing a thiocarbohydrazide with a carboxylic acid in the presence of an organic solvent and a boron compound having the formula ##STR1## where R.sup.2, R.sup.3, and R.sup.4 are independently selected from the group consisting of hydrogen, hydroxy, amino, alkyl, aryl, alkoxy, and aryloxy groups. The process provides a safer low temperature process for preparing the desired compound.

REFERENCES:
patent: 4675280 (1987-06-01), Kaneko et al.
patent: 5302496 (1994-04-01), Romanet et al.
Annalon der Chemie und Phamzie, 1960, 637, 135-145.
Zeitschrift fur Chemie, 1969, 9, 111.

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