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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1599697Generated: October 31, 2026

Acetyl chloride → (2S-trans)-4-Methyl-2-piperidinecarboxylic Acid Ethyl Ester

https://huagongshe.com/reaction/1599697

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetyl chlorideHCID 6367—
Reactant(2S,4S)-4-Methylpiperidine-2-carboxylic acidHCID 44631639—
SolventEthanolHCID 702—
Product(2S-trans)-4-Methyl-2-piperidinecarboxylic Acid Ethyl EsterHCID 1569777390%

Reaction Steps

To a solution of dry EtOH (65 mL) and acetyl chloride (6.52 mL added dropwise at 0° C.) was added (2S, 4S)-4-methyl pipecolic acid (2.8 g, 19.6 mmol at room temperature. The reaction was stirred at room temperature for 16 hrs and then concentrated in vacuo to give the title compound, (3.01 g, 90%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05741792
Source datasetuspto-grants-1998_04
ORD IDord-582e14faa86a4f2f914917cf9593a981
Source noteuspto-grants-1998_04