(R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one

Base Information

Chemical Name:(R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one
CAS No.:1346146-04-0
Molecular Formula:C₁₄H₁₅BrF₃NO₂
Molecular Weight:366.178
Hs Code.:

Synonyms:(R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one

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Chemical Property of (R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one

Chemical Property:

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Technology Process of (R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one

There total 8 articles about (R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one 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: 97.8%

: 1346146-05-1
(R)-ethyl 2-(4-amino-4-(5-bromo-2-fluorophenyl)-3,3-difluoro-2-methylpentan-2-yloxy)acetate

: 1346146-04-0
(R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one

Guidance literature:: With trimethylaluminum; In toluene; at 23 ℃; for 2h;

Reference yield:

: 1310349-83-7
(R)-3-(5-bromo-2-fluoro-phenyl)-2,2-difluoro-3-((R)-2-methyl-propane-2-sulfinylamino)-butyric acid ethyl ester

: 1346146-04-0
(R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one

Guidance literature:: Multi-step reaction with 6 steps

1: tetrahydrofuran; 2-methyltetrahydrofuran; (R)-N-((R)-2-(5-bromo-2,4-difluorophenyl)-3,3-difluoro-4-hydroxy-4-methylpentan-2-yl)-2-methylpropane-2-sulfinamide / 18 h / -78 - 23 °C

2: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / tetrahydrofuran / 8 h / 23 - 70 °C / Inert atmosphere

3: sodium periodate / ruthenium(III) trichloride hydrate / ethyl acetate; acetonitrile; water / 3 h / 23 °C

4: thionyl chloride / 18 h / 23 °C / Reflux

5: trifluorormethanesulfonic acid / dichloromethane / 0.5 h / 0 - 23 °C

6: trimethylaluminum / toluene / 2 h / 23 °C

With sodium periodate; thionyl chloride; trifluorormethanesulfonic acid; trimethylaluminum; tetrakis(triphenylphosphine) palladium⁽⁰⁾; ruthenium(III) trichloride hydrate; In tetrahydrofuran; 2-methyltetrahydrofuran; dichloromethane; (R)-N-((R)-2-(5-bromo-2,4-difluorophenyl)-3,3-difluoro-4-hydroxy-4-methylpentan-2-yl)-2-methylpropane-2-sulfinamide; water; ethyl acetate; toluene; acetonitrile; 1: Grignard Reaction;

Reference yield:

: 1346146-26-6
(R)-N-((R)-4-(allyloxy)-2-(5-bromo-2-fluorophenyl)-3,3-difluoro-4-methylpentan-2-yl)-2-methylpropane-2-sulfinamide

: 1346146-04-0
(R)-5-(5-bromo-2-fluorophenyl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one

Guidance literature:: Multi-step reaction with 4 steps

1: sodium periodate / ruthenium(III) trichloride hydrate / ethyl acetate; acetonitrile; water / 3 h / 23 °C

2: thionyl chloride / 18 h / 23 °C / Reflux

3: trifluorormethanesulfonic acid / dichloromethane / 0.5 h / 0 - 23 °C

4: trimethylaluminum / toluene / 2 h / 23 °C

With sodium periodate; thionyl chloride; trifluorormethanesulfonic acid; trimethylaluminum; ruthenium(III) trichloride hydrate; In dichloromethane; water; ethyl acetate; toluene; acetonitrile;