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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 550660Generated: October 27, 2026

6-Chloropyrazolo[1,5-A]pyrimidine-2-carboxylic acid → 6-Chloro-2-[(2,3,4-trimethyl-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)carbonyl]-pyrazolo[1,5-a]pyrimidine

https://huagongshe.com/reaction/550660

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-Chloropyrazolo[1,5-A]pyrimidine-2-carboxylic acidHCID 33695678—
Reactant2,3,4-Trimethyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridineHCID 59663082—
Product6-Chloro-2-[(2,3,4-trimethyl-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)carbonyl]-pyrazolo[1,5-a]pyrimidineHCID 2489899457%

Reaction Steps

In close analogy to the procedure described in Example 1, 6-chloro-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid is reacted with 2,3,4-Trimethyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine to provide the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07947689B2
Source datasetuspto-grants-2011_05
ORD IDord-00b6862954bf49e4bd386d9463f41032
Source noteuspto-grants-2011_05