METHOD OF PRODUCING METHYL 7-ARYLCARBAMOYL-6-BENZOYL-2-METHYL-3-PHENYLPYRAZOLO-[1,5-a]PYRIMIDINE-5-CARBOXYLATES Russian patent published in 2011 - IPC C07D487/04 

Abstract RU 2421455 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing methyl 7-arylcarbamoyl-6-benzoyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylates of general formula , where Ar denotes 4-chlorophenyl or 4-methoxyphenyl, which can be used as primary products for synthesis of novel heterocyclic systems in pharmacology. Method involves reaction of methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with 3-methyl-4-phenyl-1H-pyrazole-5-amine in the medium of an inert aprotic solvent.

EFFECT: method is easy to implement and enables to obtain said compounds with high output.

2 cl, 2 ex

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RU 2 421 455 C2

Authors

Maslivets Andrej Nikolaevich

Denislamova Ekaterina Sergeevna

Aliev Zajnutdin Gasanovich

Dates

2011-06-20Published

2009-07-14Filed