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ChemicalBook CAS DataBase List Vardenafil Impurity 7
448184-56-3

Vardenafil Impurity 7 synthesis

3synthesis methods
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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Vardenafil Impurity 7

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]

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