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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 336031Generated: October 25, 2026

Toluene → 4-Hydroxy-piperidine-1-carboxylic acid tert-butyl ester chloroformate

https://huagongshe.com/reaction/336031

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
ReactantPhosgeneHCID 6371—
ReactantTert-butyl 4-hydroxypiperidine-1-carboxylateHCID 643502—
SolventTetrahydrofuranHCID 8028—
Product4-Hydroxy-piperidine-1-carboxylic acid tert-butyl ester chloroformateHCID 86655593—

Reaction Steps

To a solution of 4-hydroxy-piperidine-1-carboxylic acid tert-butyl ester (201 mg, 1.0 mmol) in THF (2 mL) was added a 20% solution of phosgene in toluene (358 μL, 1.7 mmol). The reaction was stirred at room temperature for 1 hour. The reaction was concentrated under reduced pressure.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08884030B2
Source datasetuspto-grants-2014_11
ORD IDord-1804e11b29564a76b2ae02d64aedaf3a
Source noteuspto-grants-2014_11