5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

Base Information

Chemical Name:5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one
CAS No.:1357170-93-4
Molecular Formula:C₂₁H₂₀O₅
Molecular Weight:352.387
Hs Code.:

Synonyms:5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

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Chemical Property of 5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

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Technology Process of 5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

There total 4 articles about 5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-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: 74.0%

: 1110653-21-8
1-ethynyl-4-(2-methoxyethoxy)benzene

: 164014-40-8
2,2-dimethyl-5-trifluoromethylsulfonyloxy-4H-(1,3)benzodioxin-4-one

: 1357170-93-4
5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine; In acetonitrile; at 100 ℃; for 0.5h; Inert atmosphere; Microwave irradiation;
DOI:10.1016/j.ejmech.2011.11.001

Reference yield:

: 1357170-85-4
((4-(2-methoxyethoxy)phenyl)ethynyl)trimethylsilane

: 1357170-93-4
5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

Guidance literature:: Multi-step reaction with 2 steps

1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 0 °C

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; diethylamine / acetonitrile / 0.5 h / 100 °C / Inert atmosphere; Microwave irradiation

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrabutyl ammonium fluoride; diethylamine; In tetrahydrofuran; acetonitrile; 2: Sonogashira coupling;
DOI:10.1016/j.ejmech.2011.11.001

Reference yield:

: 106-41-2
4-bromo-phenol

: 1357170-93-4
5-((4-(2-methoxyethoxy)phenyl)ethynyl)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one

Guidance literature:: Multi-step reaction with 4 steps

1: potassium carbonate / N,N-dimethyl-formamide / 60 °C

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; diethylamine; triphenylphosphine / acetonitrile / 0.5 h / 120 °C / Inert atmosphere; Microwave irradiation

3: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 0 °C

4: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; diethylamine / acetonitrile / 0.5 h / 100 °C / Inert atmosphere; Microwave irradiation

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrabutyl ammonium fluoride; potassium carbonate; diethylamine; triphenylphosphine; In tetrahydrofuran; N,N-dimethyl-formamide; acetonitrile; 2: Sonogashira coupling / 4: Sonogashira coupling;
DOI:10.1016/j.ejmech.2011.11.001