Vardenafil Impurity 7 synthesis

3synthesis methods

Product Name:Vardenafil Impurity 7
CAS Number:448184-56-3
Molecular formula:C21H26N6O7S
Molecular Weight:506.53

Benzenesulfonamide, N-(2-aminoethyl)-3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxy-

448184-52-9
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448184-56-3
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Yield:-

Steps:

Multi-step reaction with 2 steps
1: triethylamine / 0.25 h / 25 - 30 °C
2: water; sodium hydroxide / methanol / 0.25 h / 25 °C

References:

Reddy, Vajrala Venkata;Naga Brahmeswara Rao, Mandava Venkata;Reddy, Ghanta Mahesh;Mukkanti, Khagga;Reddy, Ganta Madhusudhan [Synthetic Communications,2012,vol. 42,# 23,p. 3513 - 3523]

4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydro-imidazo[5,1-f][1,2,4]-triazin-2-yl)benzene-sulfonyl Chloride

224789-26-8
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448184-56-3
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References

224789-21-3 Synthesis

2-(2-ETHOXYPHENYL)-5-METHYL-7-PROPYL-3H-IMIDAZOL[5,1-F][1,2,4]-TRIAZIN-4-ONE

224789-21-3
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448184-56-3
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References

Vardenafil Impurity 7 Related Search:

Vardenafil IMpurity 2 Vardenafil IMpurity 3 Vardenafil Impurity 15 2-(2-ETHOXYPHENYL)-5-METHYL-7-PROPYL-3H-IMIDAZOL[5,1-F][1,2,4]-TRIAZIN-4-ONE