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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2239730Generated: October 30, 2026

2-(3,5-Dimethyl-1H-pyrazol-4-yl)-ethylamine dihydrochloride → HCID 67243315, compound

https://huagongshe.com/reaction/2239730

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(3,5-Dimethyl-1H-pyrazol-4-yl)-ethylamine dihydrochlorideHCID 17368230—
Reactant4-Chloro-2-isopropyl-5-phenylisothiazol-3(2H)-one 1,1-dioxideHCID 67243160—
ProductHCID 67243315HCID 67243315—

Reaction Steps

The title compound was prepared from 4-chloro-2-isopropyl-5-phenylisothiazol-3(2H)-one 1,1-dioxide and [2-(3,5-dimethyl-1H-pyrazol-4-yl)ethyl]amine dihydrochloride in a similar manner as described for Example 24 with TEA as base. 1H NMR (500 MHz, CDCl3): δ 7.53-7.48 (m, 2H), 7.47-7.43 (m, 3H), 5.34 (t, 1H), 4.41 (sept, 1H), 3.01 (q, 2H), 2.41 (t, 2H), 2.05 (s, 6H), 1.58 (d, 6H); 13C NMR (125 MHz CDCl3): δ 158.8, 135.3, 131.5, 129.9, 129.0, 125.3, 111.2, 107.2, 47.8, 43.9, 23.7, 20.4, 10.9; Mass Spectrum: M+H+ 389

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07723333B2
Source datasetuspto-grants-2010_05
ORD IDord-b92b35a8a00147ccb2f17e6618eccc27
Source noteuspto-grants-2010_05