Process for the preparation of cyclopentane derivatives

Details Process for the preparation of cyclopentane derivatives Process for the preparation of cyclopentane derivatives

1990-10-01

1992-08-25

Morris, Patricia L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5482622, 5482672, 5482674, 548101, 548341, C07D24908, C07D23360

Patent

active

051420619

ABSTRACT:
The present invention discloses a process to produce a compound of the formula (IA): ##STR1## or an acid addition salt or metal complex thereof, in which n represents an integer from 0 to 5; each R represents a halogen atom, or a nitro, cyano, alkyl, haloalkyl or phenyl group; R.sup.1 and R.sup.2 independently represent a hydrogen atom or an alkyl group; and A represents a nitrogen atom or a CH group; which comprises steps of:

REFERENCES:
patent: 4876353 (1989-10-01), Kraatz

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