Substituted 1 H -dihydropyrazoles, their preparation and use

Details Substituted 1 H -dihydropyrazoles, their preparation and use Substituted 1 H -dihydropyrazoles, their preparation and use

2011-04-26

2011-04-26

Shameem, Golam M (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C546S306000

Reexamination Certificate

active

07932395

ABSTRACT:
This invention provides compounds of Formula I, methods for their preparation and use for preparing compounds of Formula IIwherein R1, R2, R3, R5, R6, X and n are as defined in the disclosure.This invention also discloses preparation of compounds of Formula IIIwherein R1, R2, R7, R8, R9and n are as defined in the disclosure.This invention also pertains to certain compounds of Formula 4 and 6 used to prepare compounds of Formula I.wherein R1, R2, R5, X and n are as defined in the disclosure.

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