(4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

Base Information

Chemical Name:(4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine
CAS No.:1402413-20-0
Molecular Formula:C₁₁H₁₁F₂N₃O₃
Molecular Weight:271.223
Hs Code.:

Synonyms:(4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

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Chemical Property of (4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

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Technology Process of (4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

There total 7 articles about (4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-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: 86.0%

: 1402413-10-8
(4R,5S)-5-fluoro-4-(2-fluorophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

: 1402413-20-0
(4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

Guidance literature:: (4R,5S)-5-fluoro-4-(2-fluorophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine; With sulfuric acid; nitric acid; at 0 - 20 ℃; for 0.5h;

With sodium hydroxide; In water; pH=7 - 8; Cooling with ice;

Reference yield:

: 1402413-02-8
(2R,3S)-3-amino-2-fluoro-3-(2-fluorophenyl)butan-1-ol

: 1402413-20-0
(4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

Guidance literature:: Multi-step reaction with 2 steps

1.1: ethanol / 16 h / 90 °C / Sealed tube

2.1: nitric acid; sulfuric acid / 0.5 h / 0 - 20 °C

2.2: pH 7 - 8 / Cooling with ice

With sulfuric acid; nitric acid; In ethanol;

Reference yield:

: 1346145-50-3
(R)-2-methylpropane-2-sulfinic acid [1-(2-fluorophenyl)-(E)-ethylidene]amide

: 1402413-20-0
(4R,5S)-5-fluoro-4-(2-fluoro-5-nitrophenyl)-4-methyl-5,6-dihydro-4H-1,3-oxazin-2-amine

Guidance literature:: Multi-step reaction with 5 steps

1.1: zinc / tetrahydrofuran / 5.25 h / Inert atmosphere; Reflux

2.1: lithium borohydride / tetrahydrofuran / 4 h / 0 °C

3.1: hydrogenchloride / 1,4-dioxane; methanol / 16 h / 0 - 20 °C

3.2: pH 9 - 10

4.1: ethanol / 16 h / 90 °C / Sealed tube

5.1: nitric acid; sulfuric acid / 0.5 h / 0 - 20 °C

5.2: pH 7 - 8 / Cooling with ice

With hydrogenchloride; lithium borohydride; sulfuric acid; nitric acid; zinc; In tetrahydrofuran; 1,4-dioxane; methanol; ethanol; 1.1: Reformatsky Reaction;