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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 254587Generated: October 25, 2026

Hydrazine, propyl- → 4-(1-Benzyl-1H-imidazol-2-ylmethyl)-3,5-diethyl-1-propyl-1H-pyrazole

https://huagongshe.com/reaction/254587

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine, propyl-HCID 42007—
Reactant4-(1-benzyl-1H-imidazol-2-ylmethyl)-heptane-3,5-dioneHCID 58951861—
Product4-(1-Benzyl-1H-imidazol-2-ylmethyl)-3,5-diethyl-1-propyl-1H-pyrazoleHCID 58951845—

Reaction Steps

4-(1-Benzyl-1H-imidazol-2-ylmethyl)-3,5-diethyl-1-propyl-1H-pyrazole was prepared from 4-(1-benzyl-1H-imidazol-2-ylmethyl)-heptane-3,5-dione and propylhydrazine in analogy to Example 190 b): light yellow viscous oil; MS (EI): 336.2 ((M+.), 100%), 245.3 ((M-PhCH2)+.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875645B2
Source datasetuspto-grants-2011_01
ORD IDord-236d406ca4d4499d97ef4e86ed38a3da
Source noteuspto-grants-2011_01