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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2042155Generated: October 26, 2026

Benzene, 1-chloro-4-ethynyl- → 2-tert-Butyl-6-(4-chloro-phenylethynyl)-pyrazolo[1,5-a]pyrimidine

https://huagongshe.com/reaction/2042155

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzene, 1-chloro-4-ethynyl-HCID 70118—
Reactant6-Bromo-2-tert-butylpyrazolo[1,5-a]pyrimidineHCID 58316697—
Product2-tert-Butyl-6-(4-chloro-phenylethynyl)-pyrazolo[1,5-a]pyrimidineHCID 53247327—

Reaction Steps

The title compound, light yellow solid, MS: m/e=310.1 (M+H+), can be prepared in accordance with the general method of example 1 from 6-bromo-2-tert-butyl-pyrazolo[1,5-a]pyrimidine (example 9, step 1) and 1-ethynyl-4-chlorobenzene.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08586581B2
Source datasetuspto-grants-2013_11
ORD IDord-381edb292d324526af50dbd6c0c3b254
Source noteuspto-grants-2013_11