N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

Base Information

Chemical Name:N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide
CAS No.:1613393-92-2
Molecular Formula:C₂₁H₂₀BrFN₂O₃S
Molecular Weight:479.37
Hs Code.:

Synonyms:N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

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Chemical Property of N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

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Technology Process of N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

There total 8 articles about N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 92.0%

: 1613393-91-1
N-[(4aR,6R,8aS)-6-[(benzyloxy)methyl]-8a-(5-bromo-2-fluorophenyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

: 1613393-92-2
N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

Guidance literature:: With boron trichloride; In dichloromethane; at 0 - 20 ℃; for 3.25h;

Reference yield:

: 1220329-26-9
(3aR,5R,7aS)-5-(benzyloxymethyl)-7a-(5-bromo-2-fluorophenyl)-1,3,3a,4,5,7-hexahydropyrano[3,4-c]isoxazole

: 1613393-92-2
N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: molybdenum hexacarbonyl; water / acetonitrile / 0.5 h / Reflux

1.2: 3 h / Reflux

2.1: dichloromethane / 48 h / 20 °C

3.1: pyridine; trifluoromethylsulfonic anhydride / dichloromethane / 2 h / -50 - 0 °C

4.1: boron trichloride / dichloromethane / 16 h / 0 - 20 °C

With pyridine; trifluoromethylsulfonic anhydride; water; boron trichloride; molybdenum hexacarbonyl; In dichloromethane; acetonitrile;

Reference yield:

: 1220328-94-8
({[(2R)-2-(2,2-diethoxyethoxy)pent-4-en-1-yl]oxy}methyl)benzene

: 1613393-92-2
N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(hydroxymethyl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

Guidance literature:: Multi-step reaction with 7 steps

1.1: formic acid; water / 2.5 h / 20 °C

1.2: 18 h / 20 °C

2.1: sodium hypochlorite / water; dichloromethane / 1.5 h / 0 - 15 °C

3.1: boron trifluoride diethyl etherate / toluene / 0.5 h / -78 °C

3.2: 1.5 h / -78 °C

4.1: molybdenum hexacarbonyl; water / acetonitrile / 0.5 h / Reflux

4.2: 3 h / Reflux

5.1: dichloromethane / 48 h / 20 °C

6.1: pyridine; trifluoromethylsulfonic anhydride / dichloromethane / 2 h / -50 - 0 °C

7.1: boron trichloride / dichloromethane / 16 h / 0 - 20 °C

With pyridine; sodium hypochlorite; formic acid; trifluoromethylsulfonic anhydride; boron trifluoride diethyl etherate; water; boron trichloride; molybdenum hexacarbonyl; In dichloromethane; water; toluene; acetonitrile;