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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 33983Generated: October 26, 2026

Triethylamine → [2-(tert-Butyl-dimethyl-silanyloxymethyl)-pyrrolidin-1-yl]-(2-isocyanato-4,5-dimethoxy-phenyl)-methanone

https://huagongshe.com/reaction/33983

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantTriphosgeneHCID 94429—
Reactant(2-Amino-4,5-dimethoxy-phenyl)-[2-(tert-butyl-dimethyl-silanyloxymethyl)-pyrrolidin-1-yl]-methanoneHCID 131727079—
SolventTolueneHCID 1140—
Product[2-(tert-Butyl-dimethyl-silanyloxymethyl)-pyrrolidin-1-yl]-(2-isocyanato-4,5-dimethoxy-phenyl)-methanoneHCID 131727078—

Reaction Steps

A solution of triethylamine (1.35 eq.) in anhydrous toluene was added to the amine (5)(1 eq.) and triphosgene (0.36 eq.) in anhydrous toluene under a N2 atmosphere. The reaction was finished after 2 hours. (monitored by IR, ξNCO 2265 cm1). The product was used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07429658B2
Source datasetuspto-grants-2008_09
ORD IDord-991d658f17934d1fbc2cca2b4c60d86d
Source noteuspto-grants-2008_09