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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 231788Generated: November 1, 2026

Pyrazole → HCID 10680030, compound

https://huagongshe.com/reaction/231788

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrazoleHCID 1048—
Reactant4,6-DichloropyrimidineHCID 70943—
SolventTetrahydrofuranHCID 8028—
ProductHCID 10680030HCID 1068003084.4%

Reaction Steps

In anhydrous tetrahydrofuran, 149 mg of 4,6-dichloropyrimidine was substituted with 136 mg of pyrazole. The reaction mixture was treated according to the procedure of Example 1 to yield 179 mg of 2,4-bis(1-pyrazolyl)pyrimidine, recrystallized from n-hexane, the compound had a melting point of 152°-153° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04849424
Source datasetuspto-grants-1989_07
ORD IDord-fc07d3ffe552458fae90f246f23e6390
Source noteuspto-grants-1989_07