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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 650874Generated: October 25, 2026

Phosgene → N-methyl-N-(oxan-4-yl)carbamoyl chloride

https://huagongshe.com/reaction/650874

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosgeneHCID 6371—
ReactantTriethylamineHCID 8471—
Reactant4-(Methylamino)tetrahydro-2H-pyranHCID 6991950—
ProductN-methyl-N-(oxan-4-yl)carbamoyl chlorideHCID 21709910—

Reaction Steps

248 g (2.5 mol) of phosgene, 96 g (0.83 mol) of N-methyl-N-(tetrahydro-2H-pyran-4-yl)amine and 84 g (0.83 mol) of triethylamine were reacted by the method of the process described in Intermediate 1.2. Yield 108 g. 1H NMR (250 MHz, in CDCl3): δ=1.60-1.95 (m, 4H), 2.94 and 3.01 (2 s, together 3H), 3.35-3.55 (rm, 2H), 3.95-4.10 (m, 2H), 4.27-4.46 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06277790B1
Source datasetuspto-grants-2001_08
ORD IDord-caaf391666dc4bf88eab3ccb9cad41de
Source noteuspto-grants-2001_08