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ChemicalBook CAS DataBase List AKOS BBS-00000713
63546-19-0

AKOS BBS-00000713 synthesis

5synthesis methods
-

Yield:63546-19-0 91%

Reaction Conditions:

at 20; for 3 h;

Steps:

6.1

Example 6: Preparation of 2-[[4-(3-methoxylpropoxy)-3-methylipyridin-2-yl]methylsulfinyl]-6,7-dihydro-1H-[1,4]dioxino[2,3-f]benzimidazole(Compound 6) Step 1: Preparation of 6-acetylamino-2,3-dihydrobenzo[b][1,4]dioxane [Show Image] 6-amino-2,3-dihydrobenzo[b][1,4]dioxane (9 g, 60 mmol) and acetic anhydride (150 mL) were stirred at room temperature for 3 h, added to ice, extracted with dichloromethane (300 mL). The organic layer was dried, filtered, concentrated under vacuum to obtain a product (10.6 g, 91 %).

References:

EP2532665,2012,A1 Location in patent:Page/Page column 29