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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 882049Generated: October 27, 2026

4-(4-Fluorophenethyl)piperazin-2-one → tert-Butyl 7,9-dimethyl-2-(2-oxo-4-(4-fluorophenethyl)piperazin-1-yl)-5,7,8,9-tetrahydro-6H-pyrido[3',4':4,5]pyrrolo[2,3-b]pyridine-6-carboxylate

https://huagongshe.com/reaction/882049

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4-Fluorophenethyl)piperazin-2-oneHCID 57514761—
Reactanttert-Butyl 2-bromo-7,9-dimethyl-5,7,8,9-tetrahydro-6H-pyrido[3',4':4,5]pyrrolo[2,3-b]pyridine-6-carboxylateHCID 86667082—
Producttert-Butyl 7,9-dimethyl-2-(2-oxo-4-(4-fluorophenethyl)piperazin-1-yl)-5,7,8,9-tetrahydro-6H-pyrido[3',4':4,5]pyrrolo[2,3-b]pyridine-6-carboxylateHCID 6798884273%

Reaction Steps

tert-Butyl 2-bromo-7,9-dimethyl-5,7,8,9-tetrahydro-6H-pyrido[3′,4′:4,5]pyrrolo[2,3-b]pyridine-6-carboxylate (2-((4 mg, 0.640 mmol) and 4-(4-fluorophenethyl)piperazin-2-one (141 mg, 0.640 mmol) were reacted following the procedure for Example 2 (step e) to provide the title compound (245 mg, 73%) as a colorless oil: ESI MS m/z 522 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08993765B2
Source datasetuspto-grants-2015_03
ORD IDord-a5180d339dc045f4ac26514197b48329
Source noteuspto-grants-2015_03