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ChemicalBook CAS DataBase List Velpatasvir-A12
1377604-63-1

Velpatasvir-A12 synthesis

11synthesis methods
Velpatasvir intermediate

1378391-43-5
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Velpatasvir-A12

1377604-63-1
11 suppliers
inquiry

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Yield:-

Steps:

Multi-step reaction with 3 steps
1: ammonium acetate / toluene; 2-methoxy-ethanol / 4.5 h / 110 °C
2: hydrogenchloride / dichloromethane; 1,4-dioxane / 0.5 h / 20 °C
3: N-ethyl-N,N-diisopropylamine; 1-[(1-(cyano-?2-?ethoxy-?2-?oxoethylidenaminooxy)?dimethylamino-?morpholino)]-uronium hexafluorophosphate / N,N-dimethyl-formamide / 0.33 h / 20 °C

References:

WO2013/75029,2013,A1

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