Process of producing sulfonylurea derivatives

Details Process of producing sulfonylurea derivatives Process of producing sulfonylurea derivatives

1988-08-26

1991-02-19

Shah, Mukund J.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544212, 544236, 544252, 544281, C07D40114, C07D40314, C07D41314, C07D41714

Patent

active

049945718

ABSTRACT:
This invention relates to a process for producing a compound of the formula (I) as shown below. ##STR1## wherein Q is a condensed heterocyclic group having a nitrogen atom in the bridgehead position which may optionally be substituted, R.sub.1 and R.sub.2 each are an alkyl group, an alkoxy group or halogen and Z is CH or N, or a salt thereof.
The compound (I) or a salt thereof is novel and of value as agricultural chemicals.
According to the process of this invention the compound (I) or a salt thereof can be produced in good yield and high purity.

REFERENCES:
patent: 4443243 (1984-04-01), Fory et al.
patent: 4656273 (1987-04-01), Topfl
patent: 4681620 (1987-07-01), Bohner et al.
patent: 4921527 (1990-05-01), Tseng

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