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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 56337Generated: October 29, 2026

Piperidine → (S)-2-amino-6-((2-tert-butoxy-2-oxoethyl)(pyridin-2-ylmethyl)amino)hexanoic acid

https://huagongshe.com/reaction/56337

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
Reactant(s)-1-(9h-Fluoren-9-yl)-14,14-dimethyl-3,12-dioxo-10-(pyridin-2-ylmethyl)-2,13-dioxa-4,10-diazapentadecane-5-carboxylic acidHCID 59408713—
SolventDimethylformamideHCID 6228—
Product(S)-2-amino-6-((2-tert-butoxy-2-oxoethyl)(pyridin-2-ylmethyl)amino)hexanoic acidHCID 6742177970%

Reaction Steps

A solution of PAMA-K (0.600 g, 1.047 mmol) and piperidine (1.0 mL) in DMF (5.0 mL) was stirred at room temperature for 3 hrs. Solvent was evaporated under reduced pressure to give a residue, which was purified by Amberchrom (CG-161C) eluting with MeOH/H2O to give (S)-2-amino-6-((2-tert-butoxy-2-oxoethyl)(pyridin-2-ylmethyl)amino)hexanoic acid (0.256 g, 70%). MS (ESI), 352 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09433594B2
Source datasetuspto-grants-2016_09
ORD IDord-6bdca58dc5264f65ac6e03fd1a1b29f4
Source noteuspto-grants-2016_09