2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine

Base Information

Chemical Name:2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine
CAS No.:1350705-09-7
Molecular Formula:C₂₀H₁₈N₂O₄
Molecular Weight:350.374
Hs Code.:

Synonyms:

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Chemical Property of 2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine

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Technology Process of 2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine

There total 5 articles about 2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine 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:

: C₂₀H₁₉ClN₂O₄

: 1350705-09-7
2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine

Guidance literature:: With tetrabutylammomium bromide; sodium acetate; In chlorobenzene; for 1h; Reflux; Inert atmosphere;
DOI:10.1039/c1ob06353g

Reference yield:

: 13350-09-9
1-nitro-2-(prop-2-yn-1-yloxy)benzene

: 1350705-09-7
2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine

Guidance literature:: Multi-step reaction with 4 steps

1.1: iron; acetic acid / 8 h / 20 °C

2.1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / 0.33 h / Inert atmosphere

2.2: 20 °C / Inert atmosphere

3.1: hydrogenchloride; sodium nitrite / methanol; water / 1 h / 0 - 5 °C

3.2: 4 h / 20 °C / pH 5

4.1: tetrabutylammomium bromide; sodium acetate / chlorobenzene / 1 h / Reflux; Inert atmosphere

With hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrabutylammomium bromide; sodium acetate; iron; acetic acid; triethylamine; sodium nitrite; In methanol; water; chlorobenzene; 2.1: Sonogashira coupling / 2.2: Sonogashira coupling / 3.2: Japp-Klingemann reaction;
DOI:10.1039/c1ob06353g

Reference yield:

: 52536-39-7
2-(prop-2-ynyloxy)benzenediazonium tetrafluoroborate

: 1350705-09-7
2-ethoxycarbonyl-3-(4-methoxyphenyl)-4H-pyrazolo[5,1-c][1,4]benzoxazine

Guidance literature:: Multi-step reaction with 3 steps

1.1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / 0.33 h / Inert atmosphere

1.2: 20 °C / Inert atmosphere

2.1: hydrogenchloride; sodium nitrite / methanol; water / 1 h / 0 - 5 °C

2.2: 4 h / 20 °C / pH 5

3.1: tetrabutylammomium bromide; sodium acetate / chlorobenzene / 1 h / Reflux; Inert atmosphere

With hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrabutylammomium bromide; sodium acetate; triethylamine; sodium nitrite; In methanol; water; chlorobenzene; 1.1: Sonogashira coupling / 1.2: Sonogashira coupling / 2.2: Japp-Klingemann reaction;
DOI:10.1039/c1ob06353g