(4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

Base Information

Chemical Name:(4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine
CAS No.:1620829-14-2
Molecular Formula:C₁₄H₁₂F₄N₂O
Molecular Weight:300.256
Hs Code.:

Synonyms:(4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

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Chemical Property of (4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

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Technology Process of (4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

There total 3 articles about (4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-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:

: 1620829-13-1
(4S,6S)-4-(2-fluoro-5-((trimethylsilyl)ethynyl)phenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

: 1620829-14-2
(4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; dichloromethane; at 0 ℃; for 1h;

Reference yield:

: 1432511-74-4
(4S,6S)-4-(2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

: 1620829-14-2
(4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

Guidance literature:: Multi-step reaction with 3 steps

1.1: trifluorormethanesulfonic acid / dichloromethane / 20 °C / Inert atmosphere; Cooling with ice

1.2: 3 h / 20 °C

2.1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / tetrahydrofuran / 5.5 h / 65 °C / Inert atmosphere; Sealed tube

3.1: tetrabutyl ammonium fluoride / tetrahydrofuran; dichloromethane / 1 h / 0 °C

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; trifluorormethanesulfonic acid; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane;

Reference yield:

: 1620828-57-0
(4S,6S)-4-(2-fluoro-5-iodophenyl)-4-methyl-6-(trifluoromethyl)-5 ,6-dihydro-4H-1,3-oxazin-2-amine

: 1620829-14-2
(4S,6S)-4-(5-ethynyl-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine

Guidance literature:: Multi-step reaction with 2 steps

1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / tetrahydrofuran / 5.5 h / 65 °C / Inert atmosphere; Sealed tube

2: tetrabutyl ammonium fluoride / tetrahydrofuran; dichloromethane / 1 h / 0 °C

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane;