5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE
5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE
  • CAS No.:139756-21-1
Other grades of this product :

5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Basic information
Product Name:5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE
Synonyms:5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1;5-(2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7h-pyrazolo[4,3-d]-7-pyrimidinone;5-(2-Ethoxy Phenyl)-1,6-Dihydro-1-MethyI-3-Propyl-7H-Pyrazolo-[4,3-d] Pyrimidin-7-one.;5-(2-ETHOXYPHENYL)-1-ME-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO(4,3D)-7-PYRIMIDIN;5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE;5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE;7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE,5-(2-ETHOXYPHENYL)-1,4-DIHYDRO-1-METHYL-3-PROPYL-;Sildenafil LactaM IMpurity
CAS:139756-21-1
MF:C17H20N4O2
MW:312.37
EINECS:
Product Categories:Heterocyclic Compounds;Nucleotides and Nucleosides;Bases & Related Reagents;Intermediates;Nucleotides;Building  Blocks;Heterocyclic  Building  Blocks;Pyrimidines
Mol File:139756-21-1.mol
5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Chemical Properties
Melting point 141-145 °C(lit.)
density 1.26±0.1 g/cm3(Predicted)
storage temp. Sealed in dry,2-8°C
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
pka10.27±0.20(Predicted)
color White to Pale Beige
CAS DataBase Reference139756-21-1
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
HS Code 2933998090
MSDS Information
ProviderLanguage
SigmaAldrichEnglish
5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Usage And Synthesis
Chemical PropertiesLight-Yellow Solid
UsesSildenafil impurity.
UsesSildenafil impurity
5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE Preparation Products And Raw materials
Raw materialsEthanol-->Sulfuric acid-->Sodium-->Thionyl chloride-->Nitric acid-->Diethyl oxalate-->tert-Butanol-->Bromoethane-->Stannous chloride dihydrate-->Methylhydrazine-->Potassium tert-butoxide-->Salicylaldehyde-->2-Pentanone
Preparation ProductsThiosildenafil-->5-[5-(2-Chloroacetyl)-2-ethoxyphenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-pyrazolo[4,3-d]pyriMidin-7-one-->Hydroxyhomosildenafil

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