(4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

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Chemical Name:(4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine
CAS No.:1384461-52-2
Molecular Formula:C₂₀H₁₉FN₆OS
Molecular Weight:410.475
Hs Code.:

Synonyms:(4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

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Chemical Property of (4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

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Technology Process of (4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

There total 8 articles about (4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine 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:

: 1384461-86-2
2-(1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl)pyrazine

: 1384461-85-1
di-tert-Butyl {(4aS,5R,7aS)-7a-[2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl}imidodicarbonate

: 1384461-52-2
(4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

Guidance literature:: 2-(1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-2-yl)pyrazine; With bromine; potassium carbonate; In tetrahydrofuran; at 20 ℃; for 3h; Reflux; Sealed vial;

di-tert-Butyl {(4aS,5R,7aS)-7a-[2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl}imidodicarbonate; With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In methanol; water; toluene; Sealed vial; Reflux;

With hydrogenchloride; In ethanol; Reflux;

Reference yield:

: 1384461-89-5
(4aS,5R,7aS)-7a-{2-fluoro-5-[2-(pyrazin-2-yl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-imidazol-5-yl]phenyl}-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

: 1384461-52-2
(4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

Guidance literature:: With hydrogenchloride; In ethanol; Reflux;

Reference yield:

: 1384461-83-9
(4aS,5R,7aS)-7a-(5-bromo-2-fluorophenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

: 1384461-52-2
(4aS,5R,7aS)-7a-(2-fluoro-5-(2-(pyrazin-2-yl)-1H-imidazol-5-yl)phenyl)-5-methyl-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-amine

Guidance literature:: Multi-step reaction with 3 steps

1.1: dmap / dichloromethane / 20 °C

2.1: potassium acetate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / dimethyl sulfoxide / 3 h / 80 °C

3.1: potassium carbonate; bromine / tetrahydrofuran / 3 h / 20 °C / Reflux; Sealed vial

3.2: Sealed vial; Reflux

3.3: Reflux

With dmap; bromine; potassium acetate; potassium carbonate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; In tetrahydrofuran; dichloromethane; dimethyl sulfoxide;