Valdecoxib IMpurity B synthesis
- Product Name:Valdecoxib IMpurity B
- CAS Number:1373038-60-8
- Molecular formula:C32H25N3O6S2
- Molecular Weight:611.69
37928-17-9
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Yield:-
Steps:
Multi-step reaction with 2 steps
1.1: chlorosulfonic acid / dichloromethane / 0 °C / Reflux
1.2: 1 h / 25 - 35 °C
2.1: pyridine / 9 h / 110 - 115 °C
References:
Reddy, Anumula Raghupathi;Goverdhan, Gilla;Sampath, Aalla;Mukkanti, Khagga;Reddy, Padi Pratap;Bandichhor, Rakeshwar [Synthetic Communications,2012,vol. 42,# 5,p. 639 - 649]
509074-26-4
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52201-28-2
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