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5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one

5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one ??? ???
?? ??:
147676-78-6
???:
5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one
???(??):
Sildenafil Impurity 4;Sildenafil Impurity IV-4;Sildenafil Carboxylic Acid Impurity;Sildenafil Carboxylic Acid Derivative;4-Ethoxy-3-(7-hydroxy-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid;3-(6,7-Dihydro-1-Methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-ethoxy-benzoic Acid;5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one;Benzoic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-
CBNumber:
CB82543408
???:
C18H20N4O4
??? ??:
356.38
MOL ??:
147676-78-6.mol

5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one ??

???
280-287°C
??
1.38±0.1 g/cm3(Predicted)
?? ??
Refrigerator
???
DMSO(?? ???), ???(?? ??, ??)
??? ??
??
??? ??
??? ??
?? ?? (pKa)
4.18±0.10(Predicted)
??
???? ?????

??

5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one C??? ??, ??, ??

??

5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-N-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one is a comppund used in the preparation of Acetildenafil analogs.

5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one ?? ?? ? ???

???

?? ??


5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one ?? ??

???( 42)?? ??
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