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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 629247Generated: October 25, 2026

Triphosgene → 6,6-Dimethyl-3-(6-(phenylethynyl)pyridazin-3-yl)-1,3-oxazinan-2-one

https://huagongshe.com/reaction/629247

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphosgeneHCID 94429—
Reactant2-Methyl-4-(6-phenylethynyl-pyridazin-3-ylamino)-butan-2-olHCID 57516775—
Product6,6-Dimethyl-3-(6-(phenylethynyl)pyridazin-3-yl)-1,3-oxazinan-2-oneHCID 53494699—

Reaction Steps

The title compound, a crystalline light yellow solid, MS: m/e=308.3 (M+H+), was prepared in accordance with the general method of Example 152, step 2 starting from 2-methyl-4-(6-phenylethynyl-pyridazin-3-ylamino)-butan-2-ol (Example 153, step 1) and triphosgene.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09315498B2
Source datasetuspto-grants-2016_04
ORD IDord-6a7862cca9ba4b92a70291867d99844b
Source noteuspto-grants-2016_04