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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 334622Generated: October 30, 2026

5-phenyl-2-(4-trimethylsilanyl-but-3-ynyl)-2H-pyrazole → 5-phenyl-1-(4-trimethylsilanyl-but-3-ynyl)-1H-pyrazole

https://huagongshe.com/reaction/334622

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-phenyl-2-(4-trimethylsilanyl-but-3-ynyl)-2H-pyrazoleHCID 66598052—
ReactantHCID 178420101HCID 178420101—
Product5-phenyl-1-(4-trimethylsilanyl-but-3-ynyl)-1H-pyrazoleHCID 6659844481%

Reaction Steps

The title compounds were prepared in accordance with the general method of Example 108(A), from 3-phenyl-1H-pyrazole (200 mg, 1.39 mmol) to yield 300 mg (1.12 mmol, 81%) of 5-phenyl-1-(4-trimethylsilanyl-but-3-ynyl)-1H-pyrazole and 5-phenyl-2-(4-trimethylsilanyl-but-3-ynyl)-2H-pyrazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08883826B2
Source datasetuspto-grants-2014_11
ORD IDord-4de56347dd774914b1f75964cc26d5ac
Source noteuspto-grants-2014_11