Vardenafil IMpurity 3 synthesis
- Product Name:Vardenafil IMpurity 3
- CAS Number:1255919-01-7
- Molecular formula:C26H30N6O4S
- Molecular Weight:522.62
18637-00-8
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Yield:-
Steps:
Multi-step reaction with 4 steps
1.1: hydrazine hydrate / methanol / 1.5 h / 28 °C
2.1: methanol / 1.5 h / 65 °C
2.2: 4 h / 60 - 80 °C
3.1: chlorosulfonic acid / 0.17 h / 0 °C
4.1: dichloromethane / 1.5 h / 25 - 30 °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]
98-88-4
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1205-02-3
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889943-46-8
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