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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1020569Generated: October 27, 2026

2-Hydroxy-4-(4-trifluoromethylphenyl)pyridine → tert-Butyl 9-methyl-7-(2-oxo-4-(4-(trifluoromethyl)phenyl)pyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate

https://huagongshe.com/reaction/1020569

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Hydroxy-4-(4-trifluoromethylphenyl)pyridineHCID 49758467—
Reactanttert-butyl 7-bromo-9-methyl-1,3,4,9-tetrahydro-2H-pyrido[3,4-b]indole-2-carboxylateHCID 57950468—
Producttert-Butyl 9-methyl-7-(2-oxo-4-(4-(trifluoromethyl)phenyl)pyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylateHCID 5795038458%

Reaction Steps

4-(4-(Trifluoromethyl)phenyl)pyridin-2(1H)-one (86 mg, 0.36 mmol) and tert-butyl 7-bromo-9-methyl-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate (120 mg, 0.32 mmol) were reacted following the procedure of Example 30 (step g) to provide the title compound (97 mg, 58%) as a yellow solid: 1H NMR (300 MHz, CDCl3) δ 7.74 (s, 4H), 7.58-7.52 (m, 2H), 7.36 (s, 1H), 7.08 (dd, J=8.2, 1.8 Hz, 1H), 6.92 (d, J=1.9 Hz, 1H), 6.50 (dd, J=7.2, 2.0 Hz, 1H), 4.65 (br m, 2H), 3.76 (br m, 2H), 3.65 (s, 3H), 2.81 (br m, 2H), 1.52 (s, 9H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08716308B2
Source datasetuspto-grants-2014_05
ORD IDord-59a40fa68bca4ab8916cce8bfa5be121
Source noteuspto-grants-2014_05