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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2268164Generated: October 31, 2026

Lithium diisopropylamide → 4-[2-[5,6-Dimethyl-1,2-benzisoxazol-3-yl]ethyl]-1-piperidinecarboxylic acid, 1-(1,1-dimethylethyl) ester

https://huagongshe.com/reaction/2268164

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium diisopropylamideHCID 2724682—
ReactantTert-butyl 4-(iodomethyl)piperidine-1-carboxylateHCID 10448961—
Reactant3,5,6-Trimethylbenzo[d]isoxazoleHCID 12385475—
SolventTetrahydrofuranHCID 8028—
Product4-[2-[5,6-Dimethyl-1,2-benzisoxazol-3-yl]ethyl]-1-piperidinecarboxylic acid, 1-(1,1-dimethylethyl) esterHCID 1024784078%

Reaction Steps

The procedure described in Example 1d was followed using 3,5,6-trimethyl-1,2-benzisoxazole (0.600 g, 3.73 mmol), 4-iodomethyl-1-piperidinecarboxylic acid, 1-(1,1-dimethylethyl) ester (1.30 g, 4.10 mmol), and 1M LDA (4.10 mL, 4.10 mmol) in dry THF (10 mL). After purification, the title compound (1.04 g, 78%) was obtained as a clear oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06326382B1
Source datasetuspto-grants-2001_12
ORD IDord-ea0ffddbdf42435bb5b6f7ec14c7f3bb
Source noteuspto-grants-2001_12