ETHYL 1-(3,4-DICHLOROPHENYL)-5-OXO-2,5-DIHYDRO-1H-1,2,4-TRIAZOLE-3-CARBOXYLATE synthesis

2synthesis methods

Product Name:ETHYL 1-(3,4-DICHLOROPHENYL)-5-OXO-2,5-DIHYDRO-1H-1,2,4-TRIAZOLE-3-CARBOXYLATE
CAS Number:1000576-77-1
Molecular formula:C11H9Cl2N3O3
Molecular Weight:302.11

2295-31-0 Synthesis

2295-31-0
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ethyl (2Z)-2-chloro-2-[2-(3,4-dichlorophenyl)hydrazin-1-ylidene]acetate

28317-50-2
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ETHYL 1-(3,4-DICHLOROPHENYL)-5-OXO-2,5-DIHYDRO-1H-1,2,4-TRIAZOLE-3-CARBOXYLATE

1000576-77-1
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Yield:1000576-77-1 68%

Reaction Conditions:

Stage #1: thiazoline-2,4-dionewith potassium hydroxide in ethanol; for 1 h;Reflux;
Stage #2: ethyl chloro[2-(3,4-dichlorophenyl)hydrazinylidene]ethanoate in ethanol; for 1.5 h;Reflux;

References:

Matiychuk, Vasyl S.;Potopnyk, Mykhaylo A.;Luboradzki, Roman;Obushak, Mykola D. [Synthesis,2011,# 11,p. 1799 - 1803] Location in patent:experimental part

95-76-1 Synthesis

95-76-1
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$10.00/5g

1000576-77-1
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References