Process for 5-fluoro-6-chlorooxindole

Details Process for 5-fluoro-6-chlorooxindole Process for 5-fluoro-6-chlorooxindole

1992-08-14

1993-05-11

Ramsuer, Robert W.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20934

Patent

active

052102122

ABSTRACT:
Process for the production of 5-fluoro-6-chloro- oxindole, (III), which is useful in the synthesis of certain analgesic and antiinflammatory agents, via two different synthetic pathways.
Compounds of formula (I) and (II) shown below ##STR1## which are intermediates in the process of this invention.

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Hirai et al., Chem. Abstr. vol. 112, Entry 32154a (1988).
Jacques et al., C. R. Acad. Sc. Paris, 263 (4 Jul. 1966).

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