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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2290736Generated: October 31, 2026

Methyl isothiocyanate → 6-[4-(3-methylthioureido)phenyl]-5-methyl-4,5-dihydro-1,2,4-triazin-3(2H)-one

https://huagongshe.com/reaction/2290736

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl isothiocyanateHCID 11167—
Reactant6-(4-aminophenyl)-5-methyl-4,5-dihydro-1,2,4-triazin-3(2H)-oneHCID 13386033—
SolventDimethylformamideHCID 6228—
Product6-[4-(3-methylthioureido)phenyl]-5-methyl-4,5-dihydro-1,2,4-triazin-3(2H)-oneHCID 5446612799.4%

Reaction Conditions

Temperature110 °C

Reaction Steps

A solution of 6-(4-aminophenyl)-5-methyl-4,5-dihydro-1,2,4-triazin-3(2H)-one (2 g) and methylisothiocyanate (0.788 g) in dimethylformamide (20 ml) was heated with stirring at 110° C. for 4 hours, followed by after-treatment in the same manner as Example 8 to give 6-[4-(3-methyl-thioureido)phenyl]-5-methyl-4,5-dihydro-1,2,4-triazin-3(2H)-one (2.7 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04618610
Source datasetuspto-grants-1986_10
ORD IDord-9bc32f950903457db0ab656fe372931a
Source noteuspto-grants-1986_10