2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate

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Chemical Name:2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate
CAS No.:1621401-92-0
Molecular Formula:C₂₈H₂₈O₁₁
Molecular Weight:540.524
Hs Code.:

Synonyms:2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate

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Chemical Property of 2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate

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Technology Process of 2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate

There total 2 articles about 2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate 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:

: 1621401-85-1
4-[3,5-diacetoxy-7-(methoxymethoxy)-4-oxo-4H-chromen-2-yl]-1,2-phenylene diacetate

: 164513-96-6
1,1-dimethyl-2-propenyl isobutyl carbonate

: 1621401-94-2
C₂₈H₂₈O₁₁

: 1621401-92-0
2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate

Guidance literature:: 4-[3,5-diacetoxy-7-(methoxymethoxy)-4-oxo-4H-chromen-2-yl]-1,2-phenylene diacetate; With 1H-imidazole; thiophenol; In 1-methyl-pyrrolidin-2-one; at -20 ℃; for 20h;

1,1-dimethyl-2-propenyl isobutyl carbonate; With pyridine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; at 0 - 5 ℃; for 20h; Reagent/catalyst; Overall yield = 92%; Overall yield = 8.40 g;
DOI:10.1055/s-0033-1338559

Reference yield:

: 143631-95-2
acetic acid 2-acetoxy-4-(3,5-diacetoxy-7-hydroxy-4-oxo-4H-chromen-2-yl)-phenyl ester

: 1621401-92-0
2-{3-acetoxy-4-[(2-methylbut-3-en-2-yl)oxy]phenyl}-7-(methoxymethoxy)-4-oxo-4H-chromene-3,5-diyl diacetate

Guidance literature:: Multi-step reaction with 2 steps

1.1: N-ethyl-N,N-diisopropylamine / acetone / 2 h / 0 - 20 °C

2.1: 1H-imidazole; thiophenol / 1-methyl-pyrrolidin-2-one / 20 h / -20 °C

2.2: 20 h / 0 - 5 °C

With 1H-imidazole; thiophenol; N-ethyl-N,N-diisopropylamine; In 1-methyl-pyrrolidin-2-one; acetone;
DOI:10.1055/s-0033-1338559