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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1055899Generated: October 30, 2026

3-Thiophenamine, tetrahydro-, 1,1-dioxide → HCID 89793628, compound

https://huagongshe.com/reaction/1055899

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Thiophenamine, tetrahydro-, 1,1-dioxideHCID 22807—
ReactantDiisopropylethylamineHCID 81531—
Reactant2-(3-fluoro-2-methylquinoxalin-5-yl)-6,7-dihydro-1H-pyrrolo[3,2-c]pyridin-4(5H)-oneHCID 89783320—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 89793628HCID 89793628—

Reaction Conditions

Temperature80 °C

Reaction Steps

Prepared according to Example 127, using DIPEA (141 μl, 0.803 mmol), 2-(3-fluoro-2-methylquinoxalin-5-yl)-6,7-dihydro-1H-pyrrolo[3,2-c]pyridin-4(5H)-one (Example 126; 40 mg, 0.135 mmol), (±) 3-amino-tetrahydrothiophene 1,1-dioxide (54.7 mg, 0.405 mmol, Sigma Aldrich), and DMSO (1.4 mL) and stirring at 80° C. for 2 h. Purification by high throughput parallel purification (Rilas Technologies, Woburn, Mass.) provided 2-(3-(((±)-1,1-dioxidotetrahydro-3-thiophenyl)amino)-2-methyl-5-quinoxalinyl)-1,5,6,7-tetrahydro-4H-pyrrolo[3,2-c]pyridin-4-one. 1H NMR (DMSO-d6) δ: 11.52-11.67 (m, 1H), 7.80-7.88 (m, 1H), 7.59-7.69 (m, 1H), 7.34-7.41 (m, 1H), 7.25-7.33 (m, 1H), 6.98-7.07 (m, 1H), 6.85-6.98 (m, 1H), 4.91-5.02 (m, 1H), 3.61-3.72 (m, 2H), 3.39-3.49 (m, 3H), 3.21-3.28 (m, 1H), 2.87-2.97 (m, 2H), 2.65-2.74 (m, 1H), 2.55-2.60 (m, 3H), 2.25-2.40 (m, 1H). m/z (ESI, +ve) 412.1 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09394297B2
Source datasetuspto-grants-2016_07
ORD IDord-80ff2640a2894f9fb3154fcc8020cc30
Source noteuspto-grants-2016_07