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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 905229Generated: October 25, 2026

Methyl Isocyanate → 2-(N-Methylcarbamoyl)thio-5-chloropyrimidine

https://huagongshe.com/reaction/905229

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl IsocyanateHCID 12228—
Reactant5-Chloro-2(1H)-pyrimidinethioneHCID 7140345—
SolventDichloromethaneHCID 6344—
Product2-(N-Methylcarbamoyl)thio-5-chloropyrimidineHCID 2047574085%

Reaction Steps

A mixture of 5-chloropyrimidine-2-thione (3 mmol) and methylisocyanate (4 mmol) in dichloromethane (15 ml) was stirred at room temperature for 2 h, the solvent was then distilled off and the residue was crystallised from CHCl3 : Pet. ether; yield 85%, m.p. 115° C. 1H NMR (CDCl3) δ3.03 (Me), 8.62 (H-4, H-6).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04423047
Source datasetuspto-grants-1983_12
ORD IDord-a5bf9179c33d4bd596882dd04d0c11ed
Source noteuspto-grants-1983_12