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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1640860Generated: October 26, 2026

Triphosgene → (S)-1-Bromo-4-(1-isocyanato-ethyl)-2-methyl-benzene

https://huagongshe.com/reaction/1640860

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphosgeneHCID 94429—
Reactant(S)-1-(4-Bromo-3-methylphenyl)ethan-1-amineHCID 58102381—
Reactant6-cyclopropyl-6-(2-hydroxy-2-methylpropyl)-3-((S)-1-(4-(1-methyl-2-oxo-1,2-dihydropyridin-4-yl)phenyl)ethyl)-1,3-oxazinan-2-oneHCID 59635673—
SolventMethanolHCID 887—
Product(S)-1-Bromo-4-(1-isocyanato-ethyl)-2-methyl-benzeneHCID 86649416—

Reaction Steps

The title compound was prepared from (S)-1-(4-bromo-3-methyl-phenyl)-ethylamine and triphosgene following a procedure analogous to that described in Step 4 of Intermediate 1. Mass spectrum (ESI+): m/z=272/274 (Br) [M+H+MeOH]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08114868B2
Source datasetuspto-grants-2012_02
ORD IDord-4e1c0473e9e846f0a84c53eaf69c6016
Source noteuspto-grants-2012_02