1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione

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Chemical Name:1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione
CAS No.:251090-51-4
Molecular Formula:C₃₂H₃₀O₆
Molecular Weight:510.587
Hs Code.:

Synonyms:1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione

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Chemical Property of 1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione

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Technology Process of 1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione

There total 1 articles about 1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione 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: 50.0%

: 117560-06-2
3-phenyliodonio-1,2,4-trioxo-1,2,3,4-tetrahydronaphthalenide

: 9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-8-trimethylstannyl-3H-naphtho[2,1-b]pyran

: 483-55-6
phthiocol

: 251090-51-4
1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione

Guidance literature:: With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In N,N-dimethyl-formamide; at 20 ℃; for 12h;
DOI:10.1021/jo990785v

Reference yield:

: 251090-51-4
1,4-dihydro-2-hydroxy-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione

: 1,4-dihydro-2-[4-methoxyphenyl]-3-[9-(methoxymethoxy)-3-methyl-3-(4-methyl-3-pentenyl)-3H-naphtho[2,1-b]pyran-8-yl]-1,4-naphthalenedione

Guidance literature:: Multi-step reaction with 2 steps

1: 75 percent / 4-dimethylaminopyridine; diisopropylethylamine / CH₂Cl₂ / 0 °C

2: 60 percent / Pd(PPh₃)4; LiCl / dioxane / 20 h / 65 °C

With dmap; tetrakis(triphenylphosphine) palladium⁽⁰⁾; N-ethyl-N,N-diisopropylamine; lithium chloride; In 1,4-dioxane; dichloromethane; 1: Acylation / 2: cross coupling; Stille coupling;
DOI:10.1021/jo990785v