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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 12074Generated: October 25, 2026

Ethanol, 1-ethoxy-2,2,2-trifluoro- → 4-Trifluoromethyl-7-methyl-6-(2,2,2-trifluoroethyl)-6,7,8,9-tetrahydropyrido[2,3-g]quinolin-2(1H)-one

https://huagongshe.com/reaction/12074

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanol, 1-ethoxy-2,2,2-trifluoro-HCID 9897—
Reactant4-Trifluoromethyl-7-methyl-6-ethyl-6,7,8,9-tetrahydropyrido[2,3-g]quinolin-2(1H)-oneHCID 9901266—
Product4-Trifluoromethyl-7-methyl-6-(2,2,2-trifluoroethyl)-6,7,8,9-tetrahydropyrido[2,3-g]quinolin-2(1H)-oneHCID 10270119—

Reaction Steps

This compound was prepared in a similar fashion as that described in Example 84 from Compound 187 (Structure 33 of Scheme VI, where R1=methyl, n=1) and trifluoroacetaldehyde ethyl hemiacetal. 1H NMR (400 MHz, CDCl3) 11.08 (br. s, 1H), 7.06 (s, 1H), 7.00 (s, 1H), 6.99 (s, 1H), 3.99 (m, 1H), 3.81 (m, 1H), 3.67 (m, 1H), 3.10-2.95 (m, 1H), 2.92-2.82 (m, 1H), 2.07-1.97 (m, 1H), 1.93-1.80 (m, 1H), 1.19 (d, 3H, J=6.5).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07727980B2
Source datasetuspto-grants-2010_06
ORD IDord-98046a2630464160bd404d70de886952
Source noteuspto-grants-2010_06