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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2267681Generated: October 31, 2026

Diisopropylethylamine → {1-[2-((S)-2-Methyl-piperidin-1-yl)-ethyl]-piperidin-4-yl}-carbamic acid tert-butyl ester

https://huagongshe.com/reaction/2267681

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant(S)-(+)-2-MethylpiperidineHCID 6427443—
Reactant(Cyanomethyl)trimethylphosphanium iodideHCID 10514344—
Reactant[1-(2-Hydroxy-ethyl)-piperidin-4-yl]-carbamic acid tert-butyl esterHCID 45076484—
Product{1-[2-((S)-2-Methyl-piperidin-1-yl)-ethyl]-piperidin-4-yl}-carbamic acid tert-butyl esterHCID 66841611—

Reaction Steps

It is prepared analogously to 9 starting from tert-butyl ester 8 (2 g, 8.19 mmol), (S)-2-methyl-piperidine (0.985 ml, 8.19 mmol), DIEA (1.8 ml, 10.65 mmol) and cyanomethyl-trimethyl-phosphonium iodide (2.39 g, 9.83 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07858781B2
Source datasetuspto-grants-2010_12
ORD IDord-79fb87bb9bf04cc0a313dea10a219013
Source noteuspto-grants-2010_12