1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea

Base Information

Chemical Name:1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea
CAS No.:1267849-56-8
Molecular Formula:C₂₃H₂₇N₅O₄
Molecular Weight:437.498
Hs Code.:

Synonyms:1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea

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Chemical Property of 1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea

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Technology Process of 1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea

There total 4 articles about 1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea 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: 23.0%

: 1267854-04-5
2-(7-bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-3-yl)ethanol

: 1267854-07-8
1-(5-tert-butylisoxazol-3-yl)-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea

: 1267849-56-8
1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea

Guidance literature:: With caesium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; water; N,N-dimethyl-formamide; at 140 ℃; for 0.166667h; Inert atmosphere;

Reference yield:

: 122450-96-8
3-Oxo-3,4-dihydro-2H-1-oxa-4,5-diaza-7-bromo-naphthalene

: 1267849-56-8
1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea

Guidance literature:: Multi-step reaction with 4 steps

1.1: dmap / tetrahydrofuran / 20 °C

2.1: lithium triethylborohydride / tetrahydrofuran / 0.5 h / -78 °C

2.2: 1 h / 20 °C

2.3: 3.5 h / 20 - 60 °C

3.1: sodium hydroxide; water / methanol / 60 h / 20 °C

4.1: caesium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide; 1,4-dioxane; water / 0.17 h / 140 °C / Inert atmosphere

With dmap; water; lithium triethylborohydride; caesium carbonate; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane; methanol; water; N,N-dimethyl-formamide;

Reference yield:

: 1267854-02-3
tert-butyl 7-bromo-3-oxo-2H-pyrido[3,2-b][1,4]oxazine-4(3H)-carboxylate

: 1267849-56-8
1-(5-tert-butylisoxazol-3-yl)-3-(4-(3-(2-hydroxyethyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)phenyl)urea

Guidance literature:: Multi-step reaction with 3 steps

1.1: lithium triethylborohydride / tetrahydrofuran / 0.5 h / -78 °C

1.2: 1 h / 20 °C

1.3: 3.5 h / 20 - 60 °C

2.1: sodium hydroxide; water / methanol / 60 h / 20 °C

3.1: caesium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide; 1,4-dioxane; water / 0.17 h / 140 °C / Inert atmosphere

With water; lithium triethylborohydride; caesium carbonate; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane; methanol; water; N,N-dimethyl-formamide;