Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 930731Generated: October 31, 2026

4-(6-Methylpyridin-3-yl)pyridin-2(1H)-one → tert-Butyl 5-methyl-7-(4-(6-methylpyridin-3-yl)-2-oxopyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate

https://huagongshe.com/reaction/930731

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(6-Methylpyridin-3-yl)pyridin-2(1H)-oneHCID 57950263—
Reactanttert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateHCID 57950375—
Producttert-Butyl 5-methyl-7-(4-(6-methylpyridin-3-yl)-2-oxopyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateHCID 8663568558.1%

Reaction Steps

4-(6-Methylpyridin-3-yl)pyridin-2(1H)-one (150 mg, 0.81 mmol) and tert-butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate (294 mg, 0.805 mmol) were reacted following the procedure of Example 30 (step g) to provide the title compound (220 mg, 58%) as a yellow/green solid: 1H NMR (500 MHz, CDCl3) δ 8.79 (d, J=8.2 Hz, 1H), 7.83 (dd, J=8.1, 2.4 Hz, 1H), 7.56-7.51 (m, 2H), 7.37 (d, J=1.4 Hz, 1H), 7.30 (1H, partially under solvent), 7.08 (d, J=8.7 Hz, 1H), 6.90 (d, J=1.6 Hz, 1H), 6.50 (dd, J=7.1, 1.9 Hz, 1H), 4.66 (br s, 2H), 3.85 (br m, 2H), 3.65 (s, 3H), 2.84 (br m, 2H), 2.64 (s, 3H), 1.51 (s, 9H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09296743B2
Source datasetuspto-grants-2016_03
ORD IDord-8334fa2be7e245b3ba36db60f8e99035
Source noteuspto-grants-2016_03