9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene

Base Information

Chemical Name:9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene
CAS No.:1343415-10-0
Molecular Formula:C₂₆H₂₄O₄
Molecular Weight:400.474
Hs Code.:

Synonyms:9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene

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Chemical Property of 9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene

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Technology Process of 9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene

There total 5 articles about 9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene 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: 71.0%

: 1343414-86-7
(4-(4-methoxyphenoxy)-2,2-dimethyl-2H-chromen-3-yl)(4-methoxyphenyl)methanol

: 1343415-10-0
9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene

Guidance literature:: With iron(III) chloride; In dichloromethane; at 0 ℃; Inert atmosphere;
DOI:10.1016/j.tetlet.2011.08.127

Reference yield:

: 874663-07-7
4-chloro-2,2-dimethyl-2H-chromene-3-carboxaldehyde

: 1343415-10-0
9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium hydride / tetrahydrofuran / 1 h / 0 - 20 °C / Inert atmosphere

1.2: 6 h / 20 °C / Inert atmosphere

2.1: iodine; magnesium / tetrahydrofuran / 25 °C / Inert atmosphere

2.2: 20 °C / Inert atmosphere

3.1: iron(III) chloride / dichloromethane / 0 °C / Inert atmosphere

With iron(III) chloride; iodine; sodium hydride; magnesium; In tetrahydrofuran; dichloromethane; 3.1: Friedel-Crafts alkylation;
DOI:10.1016/j.tetlet.2011.08.127

Reference yield:

: 3780-33-4
2,3-dihydro-2,2-dimethylbenzo[b]pyran-4-one

: 1343415-10-0
9-methoxy-7-(4-methoxy-phenyl)-6,6-dimethyl-6H,7H-chromeno[4,3-b]chromene

Guidance literature:: Multi-step reaction with 4 steps

1.1: trichlorophosphate / 0.5 h / 0 °C / Inert atmosphere

1.2: 18 h / 0 - 20 °C / Inert atmosphere

2.1: sodium hydride / tetrahydrofuran / 1 h / 0 - 20 °C / Inert atmosphere

2.2: 6 h / 20 °C / Inert atmosphere

3.1: iodine; magnesium / tetrahydrofuran / 25 °C / Inert atmosphere

3.2: 20 °C / Inert atmosphere

4.1: iron(III) chloride / dichloromethane / 0 °C / Inert atmosphere

With iron(III) chloride; iodine; sodium hydride; magnesium; trichlorophosphate; In tetrahydrofuran; dichloromethane; 1.2: Vilsmeier-Haack-Arnold reaction / 4.1: Friedel-Crafts alkylation;
DOI:10.1016/j.tetlet.2011.08.127