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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2365400Generated: October 31, 2026

tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate → tert-Butyl 5-methyl-7-(2-oxo-4-(2-(pyridin-2-yl)ethyl)piperazin-1-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate

https://huagongshe.com/reaction/2365400

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateHCID 57950375—
Reactant4-(2-(Pyridin-2-yl)ethyl)piperazin-2-oneHCID 58093431—
Producttert-Butyl 5-methyl-7-(2-oxo-4-(2-(pyridin-2-yl)ethyl)piperazin-1-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylateHCID 6798681956.4%

Reaction Steps

tert-Butyl 7-bromo-5-methyl-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate (280 mg, 0.761 mmol) and 4-(2-(pyridin-2-yl)ethyl)piperazin-2-one (156 mg, 0.760 mmol) were reacted according to Example 2 (step f) to provide the title compound (210 mg, 56%) as a yellow oil: ESI MS m/z 490 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08697700B2
Source datasetuspto-grants-2014_04
ORD IDord-7557accbdd5a4ca1be3b79d20a9ca9ae
Source noteuspto-grants-2014_04