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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 265872Generated: October 26, 2026

Triethylamine → Ethyl 3-[4-(N-BOC-4-hydroxypiperidin-4-yl)phenyl]crotonate

https://huagongshe.com/reaction/265872

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantTri-o-tolylphosphineHCID 80271—
ReactantEthyl trans-crotonateHCID 429065—
Reactant1-Boc-4-(4-bromo-phenyl)-piperidin-4-olHCID 18379557—
Catalystpalladium(II) acetateHCID 167845—
SolventAcetonitrileHCID 6342—
SolventEthyl AcetateHCID 8857—
ProductEthyl 3-[4-(N-BOC-4-hydroxypiperidin-4-yl)phenyl]crotonateHCID 67721045—

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 10-3 (500 mg, 1.4 mmoles), ethyl crotonate (1.7 mL, 3.8 mmoles), Pd(OAc)2 (31 mg, 0.14 mmoles), NEt3 (0.78 mL, 8 mmoles), tri-o-tolylphosphine (170 mg, 0.56 mmoles), and CH3CN (7 mL) was heated in a sealed tube at 100° C. for 24 hours. The cooled reaction mixture was diluted with EtOAc and then washed with H2O, 10% KHSO4, saturated NaHCO3, and brine, dried (MgSO4), and concentrated. Flash chromatography (silica, 25% EtOAc/hexanes) gave 12-1 as a waxy yellow solid. Rf 0.33 (silica, 25% EtOAc/hexanes).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05648368
Source datasetuspto-grants-1997_07
ORD IDord-70bb63e1460c4ec5924b2eb1a4f52944
Source noteuspto-grants-1997_07