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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1661795Generated: October 30, 2026

Benzeneacetic acid, hydrazide → 3-Benzyl-6-thiophen-2-yl-[1,2,4]triazolo[4,3-b]pyridazine

https://huagongshe.com/reaction/1661795

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzeneacetic acid, hydrazideHCID 70301—
Reactant3-Chloro-6-(thiophen-2-yl)pyridazineHCID 6404701—
Product3-Benzyl-6-thiophen-2-yl-[1,2,4]triazolo[4,3-b]pyridazineHCID 57654551—

Reaction Steps

The title compound was prepared as described in Example 17 from phenylacetic acid hydrazide (0.67 mmol) and 3-chloro-6-thiophen-2-yl-pyridazine (0.21 mmol). 1H NMR (400 MHz, CDCl3) δ 8.05 (1H, d, J=9.8 Hz), 7.66 (1H, dd, J=3.8 Hz, 1.3 Hz), 7.55 (1H, dd, J=5.0 Hz, 1.0 Hz), 7.53 (2H, m), 7.46 (1H, d, J=9.9 Hz), 7.31 (2H, m), 7.24 (1H, t, J=7.5 Hz), 7.17 (1H, dd, J=5.0 Hz, 3.8 Hz), 4.60 (2H, s). ESI-MS (m/z): Calcd for C16H12N4S: 292.1; found 293.2 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08030305B2
Source datasetuspto-grants-2011_10
ORD IDord-08f316f59cf849569929768a0f6e6686
Source noteuspto-grants-2011_10