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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 452272Generated: October 30, 2026

Triethylamine → HCID 44134164, compound

https://huagongshe.com/reaction/452272

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
Reactant2,2-dimethyl-3,4-dihydro-2H-1-benzopyran-4-amineHCID 15338705—
ReactantHCID 68629882HCID 68629882—
SolventDichloromethaneHCID 6344—
ProductHCID 44134164HCID 44134164—

Reaction Steps

The title compound was prepared from Intermediate 2 (200 mg, 0.896 mmol) and 3-(2-methyl, 7-methoxy-1-benzofuran-4-yl)propanoic acid (209 mg, 0.896 mmol) in presence of EDCI.HCl (256 mg, 1.345 mmol), HOBt (205 mg, 1.345 mmol) and triethylamine (371 μl, 2.690 mmol) in dichloromethane (10 ml) as described in Example 1 for 4 h to give 60 mg of the product as a white solid; IR (KBr) 3395, 2972, 1642, 1515, 1423, 1235, 775 cm−1; 1H NMR (300 MHz, CDCl3) δ 1.41-1.61 (m, 4H), 1.90-1.98 (m, 4H), 2.46 (s, 3H), 2.55-2.62 (m, 2H), 3.96 (s, 3H), 5.10-5.16 (m, 1H), 5.26 (d, J=8.4 Hz, 2H), 6.40-6.46 (m, 1H), 6.60-6.70 (m, 3H), 6.83 (s, 1H), 6.91 (d, J=7.8 Hz, 1H), 7.02 (d, J=7.5 Hz, 1H); ESI-MS (m/z) 395.63 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08487121B2
Source datasetuspto-grants-2013_07
ORD IDord-c4d62f6d07d3430da7f3a74904a6042a
Source noteuspto-grants-2013_07