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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1782723Generated: October 30, 2026

Ammonia → 1,1-Dimethylethyl 4-[(4-methyl-1-piperazinyl)carbonyl]-1-piperidinecarboxylate

https://huagongshe.com/reaction/1782723

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant1-MethylpiperazineHCID 53167—
Reactant1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acidHCID 392871—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
SolventDichloromethane methanolHCID 21226129—
Product1,1-Dimethylethyl 4-[(4-methyl-1-piperazinyl)carbonyl]-1-piperidinecarboxylateHCID 396143476%

Reaction Steps

Prepared analogously to Example A15a) from 1-(1,1-dimethylethoxycarbonyl)-4-piperidinecarboxylic acid and 1-methylpiperazine in the presence of TBTU in a yield of 76% of theory. Colourless, amorphous substance, Rf=0.64 (eluant: dichloromethane/methanol/conc. ammonia 50/50/1 v/v/v).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07498325B2
Source datasetuspto-grants-2009_03
ORD IDord-c18f012680a7404e9201c62d1b1b5f4d
Source noteuspto-grants-2009_03