Process for producing zol-2-yl)oxy!acetamide

Details Process for producing zol-2-yl)oxy!acetamide Process for producing zol-2-yl)oxy!acetamide

1997-12-12

1998-08-11

Gerstl, Robert

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D28513

Patent

active

057928720

ABSTRACT:
The present invention relates to a process for making zol-2-yl)oxy!acetamide, which process includes the steps of reacting 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4,-thiadiazole with N-(4-fluorophenyl)-2-hydroxy-N(1-methylethyl)acetamide in an aprotic, aromatic solvent with aqueous alkali to form an aqueous phase and an organic phase, separating the aqueous and organic phases and recovering adiazol-2-yl)oxy!acetamide from the organic phase. A preferred solvent and aqueous alkali are toluene and aqueous sodium hydroxide, respectively.

REFERENCES:
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patent: 4756741 (1988-07-01), Forster et al.
patent: 4968342 (1990-11-01), Forster et al.
patent: 5090991 (1992-02-01), Forster et al.
patent: 5101034 (1992-03-01), Schmidt et al.

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