methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate

Base Information

Chemical Name:methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate
CAS No.:1403381-19-0
Molecular Formula:C₂₃H₂₈O₄
Molecular Weight:368.473
Hs Code.:

Synonyms:methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate

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Chemical Property of methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate

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Technology Process of methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate

There total 5 articles about methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate 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: 78.0%

: 1002727-88-9
2-(chroman-6-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

: 1403381-18-9
methyl 2-(2-bromo-3-methylphenyl)-2-(tert-butoxy)acetate

: 1403381-19-0
methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate

Guidance literature:: With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In ethanol; water; toluene; at 85 ℃;

Reference yield:

: 53663-39-1
3-methyl-2-bromobenzoic acid

: 1403381-19-0
methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate

Guidance literature:: Multi-step reaction with 5 steps

1.1: thionyl chloride / 2 h / Reflux

2.1: triethylamine; magnesium chloride / acetonitrile / 2.5 h / 0 - 20 °C / Inert atmosphere

2.2: 20 °C

2.3: 3 h / Reflux

3.1: selenium(IV) oxide / ytterbium(III) triflate / 1,4-dioxane; water / 90 °C

3.2: 1 h / Reflux

4.1: perchloric acid / 2 h / -20 °C

5.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / toluene; ethanol; water / 85 °C

With selenium(IV) oxide; thionyl chloride; perchloric acid; sodium carbonate; triethylamine; magnesium chloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; ytterbium(III) triflate; In 1,4-dioxane; ethanol; water; toluene; acetonitrile;

Reference yield:

: 944268-58-0
1-(2-bromo-3-methylphenyl)ethan-1-one

: 1403381-19-0
methyl 2-(tert-butoxy)-2-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-3-methylphenyl]acetate

Guidance literature:: Multi-step reaction with 3 steps

1.1: selenium(IV) oxide / ytterbium(III) triflate / 1,4-dioxane; water / 90 °C

1.2: 1 h / Reflux

2.1: perchloric acid / 2 h / -20 °C

3.1: sodium carbonate / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / toluene; ethanol; water / 85 °C

With selenium(IV) oxide; perchloric acid; sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; ytterbium(III) triflate; In 1,4-dioxane; ethanol; water; toluene;