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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 452266Generated: October 31, 2026

Triethylamine → HCID 68792411, compound

https://huagongshe.com/reaction/452266

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 19617788HCID 19617788—
SolventDichloromethaneHCID 6344—
ProductHCID 68792411HCID 6879241166.7%

Reaction Steps

This compound was prepared from Intermediate 2 (500 mg, 1.938 mmol) and (2E)-3-[2-(benzyloxy)-3-methoxyphenyl]acrylic acid (575 mg, 2.023 mmol) in presence of EDCI.HCl (555 mg, 2.897 mmol), HOBt (443 mg, 2.897 mmol) and triethylamine (806 μl, 5.791 mmol) in dichloromethane (15 ml) as described in Example 1 to give 633 mg of the product as a white solid; 1H NMR (300 MHz, CDCl3) δ 1.70-1.84 (m, 3H), 2.11-2.22 (m, 3H), 2.35-2.47 (m, 2H), 3.89 (s, 3H), 5.02 (q, J=11.4 Hz, 2H), 5.34 (q, J=9.9 Hz, 1H), 5.44 (d, J=8.4 Hz, 1H), 6.59 (d, J=15.6 Hz, 1H), 6.75 (d, J=8.4 Hz, 1H), 6.92-6.96 (m, 1H), 7.04-7.10 (m, 4H), 7.19-7.29 (m, 3H), 7.41 (d, J=6.6 Hz, 2H), 7.69 (d, J=16.2 Hz, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08487121B2
Source datasetuspto-grants-2013_07
ORD IDord-dc2eed3d38714d09982f8562f3dc5f98
Source noteuspto-grants-2013_07