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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 472595Generated: October 25, 2026

Trifluoroacetic acid → [8-(2-Methoxy-5-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridine-2-yl]-(1,2,3,4-tetrahydro-isoquinolin-6-yl)-amine

https://huagongshe.com/reaction/472595

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant6-[8-(2-Methoxy-5-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-ylamino]-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl esterHCID 59612609—
Product[8-(2-Methoxy-5-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridine-2-yl]-(1,2,3,4-tetrahydro-isoquinolin-6-yl)-amineHCID 49838140—

Reaction Steps

[8-(2-Methoxy-5-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridine-2-yl]-(1,2,3,4-tetrahydro-isoquinolin-6-yl)-amine was prepared from 6-[8-(2-methoxy-5-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-ylamino]-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester and trifluoroacetic acid (1 mL) in a manner analogous to Example 312 to give product (0.255 g). MP=99-103° C. 1H NMR (400 MHz, (D3C)2SO, δ, ppm): 9.47 (s, 1H), 8.79 (d, 1H), 7.95 (s, 1H), 7.80 (d, 1H), 7.62 (d, 1H), 7.38 (m, 3H), 7.05 (t, 1H), 6.85 (d, 1H), 3.85 (s, 3H), 3.75 (s, 2H), 2.92 (m, 2H), 2.63 (br m, 3H): MS=440 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08633173B2
Source datasetuspto-grants-2014_01
ORD IDord-79ca84f8ca75426e988ad3178d58a513
Source noteuspto-grants-2014_01