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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1882166Generated: October 29, 2026

3,4,5,6-Tetrahydro-2H-cyclopenta(d)(1,3)thiazol-2-imine → HCID 46833852, compound

https://huagongshe.com/reaction/1882166

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4,5,6-Tetrahydro-2H-cyclopenta(d)(1,3)thiazol-2-imineHCID 332255—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant6-{(E)-2-[3-(Difluoromethoxy)-2-(2,2-dimethylpropoxy)phenyl]vinyl}imidazo[2,1-b][1,3]thiazole-5-carboxylic acidHCID 68407345—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDimethylformamideHCID 6228—
SolventTetrahydrofuranHCID 8028—
ProductHCID 46833852HCID 46833852—

Reaction Steps

The title compound was prepared according to the general procedure (Method B) by coupling Intermediate 7A (100 mg, 0.236 mmol) with 5,6-dihydro-4H-cyclopenta[d][1,3]thiazol-2-amine (37 mg, 0.260 mmol) in the presence of EDCI hydrochloride (91 mg, 0.472 mmol) and DMAP (26 mg, 0.236 mmol) in a mixture of THF and DMF (1:1, 4 mL) to give 20 mg of the product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 1.07 (s, 9H), 2.42-2.52 (m, 2H), 2.75-2.81 (m, 4H), 3.58 (s, 2H), 7.18 (t, J=76.2 Hz, 1H), 7.20-7.28 (m, 2H), 7.38-7.45 (m, 1H), 7.71 (d, J=6.9 Hz, 1H), 7.84 (d, J=15.9 Hz, 1H), 8.05-8.12 (m, 1H), 8.46-8.53 (m, 1H), 13.03 (br s, 1H); APCI-MS (m/z) 545.53 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318928B2
Source datasetuspto-grants-2012_11
ORD IDord-8b864dec097e4d7e9ea80c2764ab0d29
Source noteuspto-grants-2012_11