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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 237082Generated: October 26, 2026

Diphosgene → 2-Methylimino-3-methyl-5-(2,6-dimethylphenyl)-tetrahydro-1,3,5-thiadiazin-4-one

https://huagongshe.com/reaction/237082

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiphosgeneHCID 10426—
ReactantSodium HydroxideHCID 14798—
ReactantMethanimine, N-(2,6-dimethylphenyl)-HCID 141978—
ReactantN,N'-DimethylthioureaHCID 2723631—
Product2-Methylimino-3-methyl-5-(2,6-dimethylphenyl)-tetrahydro-1,3,5-thiadiazin-4-oneHCID 2131473122.5%

Reaction Steps

Similarly, 2.7 g (0.02 mole) of N-methylene-2,6-dimethylaniline, 2.0 g of trichloromethyl chloroformate, 2.0 g (0.02 mole) of 1,3-dimethylthiourea, and 18 g of a 10% aqueous sodium hydroxide solution were used to obtain 0.6 g (12% yield) of 2-methylimino-3-methyl-5-(2,6-dimethylphenyl)-tetrahydro-1,3,5-thiadiazin-4-one (compound No. 389) of the formula, ##STR179## as a colorless oily substance (nD20 1.5967).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04159328
Source datasetuspto-grants-1979_06
ORD IDord-74934cae358f41c5998d8b14ae062304
Source noteuspto-grants-1979_06