1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE-CARBOXYLATE ACID ETHYL ESTER

1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE-CARBOXYLATE ACID ETHYL ESTER Structure
CAS No.
53554-29-3
Chemical Name:
1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE-CARBOXYLATE ACID ETHYL ESTER
Synonyms
BUTTPARK;AvafilImpurity32;BUTTPARK 21\07-73;RSYY(Apremilast)-4;Avanafil Impurity 86;1,4-Dihydro-2-(methylthio)-4-oxo-5;1,4-DHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE;1,4-Dihydro-2-(methylthio)-4-oxo-5-pyrimidine-;4-hydroxy-2-methylthiopyrimidine-5-ethyl formate;Ethyl 4-hydroxy-2-methylthio-5-pyrimidinecarboxylate
CBNumber:
CB8337586
Molecular Formula:
C8H10N2O3S
Molecular Weight:
214.24
MOL File:
53554-29-3.mol
MSDS File:
SDS
Modify Date:
2023/4/27 16:27:43

1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE-CARBOXYLATE ACID ETHYL ESTER Properties

Melting point 136-144°C
Density 1.37±0.1 g/cm3(Predicted)
storage temp. 2-8°C
pka 6.48±0.50(Predicted)
CAS DataBase Reference 53554-29-3(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Hazard Codes  Xi
HazardClass  IRRITANT
HS Code  2933599590

1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE-CARBOXYLATE ACID ETHYL ESTER Chemical Properties,Uses,Production

Uses

1,4-Dihydro-2-methylmercapto-4-oxo-5-pyrimidinecarboxylic acid ethyl ester can be used as several synthetic intermediates and pharmaceutical intermediates, mainly used in laboratory research and development process and pharmaceutical and chemical production process.

Synthesis

Methylthiourea sulfate (75.2g, 0.4mol) was added to 16% NaOH (250mL, 1.18mol) solution and stirred for 30min, then diethyl ethoxymethylenemalonate (103.4g, 0.48 mol) was dissolved in 160 mL of ethanol and slowly dropped into the reaction solution. After the dropwise addition was completed, the reaction was carried out at room temperature for 10 h.When a large amount of white solid was precipitated, carry out suction filtration, wash with water, and vacuum dry to obtain a white solid (84.7g, 99.7%); ESE-MS (m/z): 249[M+H]+, 236.9[M+Na]+ , after verification, the product is 1,4-dihydro-2-methylmercapto-4-oxo-5-pyrimidinecarboxylic acid ethyl ester.

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1,4-Dihydro-2-(methylthio)-4-oxo-5-pyrimidine-1,4-Dihydro-2-(methylthio)-4-oxo-5-pyrimidine- 5-PyriMidinecarboxylicacid, 1,6-dihydro-2-(Methylthio)-6-oxo-, ethyl ester Ethyl 2-Methylsulfanyl-6-oxo-1h-pyriMidine-5-carboxylate Ethyl 2-(Methylthio)-6-oxo-1,6-dihydropyriMidine-5-carboxylate 1,4-dihydro-2-Methyl-4-oxo-5-Mercapto-pyriMidine-carboxylic acid ethyl ester Ethyl 2-(methylsulfanyl)-4-oxo-1,4-dihydropyrimidine-5-carboxylate 1,4-Dihydro-2-(methylthio)-4-oxo-5-pyrimidine- 1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINECARBOXYLIC ACID ETHYL ESTER >98% 5-PYRIMIDINECARBOXYLICACID,1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-,ETHYLESTER ethyl 4-hydroxy-2-(methylthio)pyrimidine-5-carboxylate Ethyl 1,4-dihydro-2-(methylthio)-4-oxopyrimidine-5-carboxylate Ethyl 4-hydroxy-2-methylthio-5-pyrimidinecarboxylate Ethyl 1,4-dihydro-2-(methylsulphanyl)-4-oxopyrimidine-5-carboxylate, 1,4-Dihydro-5-(ethoxycarbonyl)-2-(methylthio)-4-oxopyrimidine Ethyl 1,4-dihydro-2-(Methylthio)-4-oxo-5-pyriMidinecarboxylate 4-Hydroxy-2-Methylsulfanyl-pyriMidine-5-carboxylic acid ethyl ester BUTTPARK 1,4-DIHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE-CARBOXYLATE ACID ETHYL ESTER BUTTPARK 21\07-73 Methyl 4-hydroxy-2-(methylthio)pyrimidine-5-carboxylate 4-hydroxy-2-methylthiopyrimidine-5-ethyl formate Avanafil Impurity 86 Ethyl 2-(methylsulfanyl)-4-oxo-1,4-dihydropyrimidine-5-carbo... 1,4-Dihydro-2-(methylthio)-4-oxo-5 Ethyl 2-thiomethyl-4-hydroxypyrimidine-5-carboxylate AvafilImpurity32 1,4-DHYDRO-2-(METHYLTHIO)-4-OXO-5-PYRIMIDINE RSYY(Apremilast)-4 Ethyl 1,6-dihydro-2-(methylthio)-6-oxo-5-pyrimidinecarboxylate 53554-29-3 pyrimidine