Vardenafil Impurity 15 synthesis
- Product Name:Vardenafil Impurity 15
- CAS Number:448184-54-1
- Molecular formula:C19H23N5O6S
- Molecular Weight:449.48
56-40-6
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![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](/CAS/GIF/224789-26-8.gif)
224789-26-8
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$269.85/100MG
448184-54-1
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Yield:448184-54-1 7 g
Reaction Conditions:
Stage #1: glycinewith sodium hydroxide in water at 25 - 30; for 0.5 h;
Stage #2: 4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydroimidazo[5,1-f][1,2,4]triazin-2-yl)-benzenelsulfonic acid chloride in dichloromethane;water at 2 - 20; for 2.5 h;
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] Location in patent:experimental part
![2-(2-ETHOXYPHENYL)-5-METHYL-7-PROPYL-3H-IMIDAZOL[5,1-F][1,2,4]-TRIAZIN-4-ONE](/CAS/GIF/224789-21-3.gif)
224789-21-3
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$49.00/1g
448184-54-1
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