3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran

Base Information

Chemical Name:3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran
CAS No.:1422513-79-8
Molecular Formula:C₂₂H₂₀O₅
Molecular Weight:364.398
Hs Code.:

Synonyms:3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran

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Chemical Property of 3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran

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Technology Process of 3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran

There total 10 articles about 3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran 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: 82.6%

: 1422513-84-5
3-iodo-8,8-dimethylpyrano[2,3-f]chromen-4(8H)-one

: 107099-99-0
2,5-dimethoxyphenylboronic acid

: 1422513-79-8
3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran

Guidance literature:: With palladium on activated charcoal; sodium carbonate; In 1,2-dimethoxyethane; water; at 45 ℃; for 1h;
DOI:10.1016/j.bmcl.2014.04.121

Reference yield:

: C₂₄H₂₈O₇

: 1422513-79-8
3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran

Guidance literature:: With hydrogenchloride; In methanol; water; for 6h; Reflux;
DOI:10.1016/j.fitote.2014.06.002

Reference yield:

: 1013634-99-5
7-hydroxy-3-iodo-4H-chromen-4-one

: 1422513-79-8
3-(2,5-dimethoxyphenyl)-8,8-dimethyl-4-oxo-4H,8H-benzo[1,2-b:3,4-b']dipyran

Guidance literature:: Multi-step reaction with 2 steps

1: 3-Methylpyridine / 5,5-dimethyl-1,3-cyclohexadiene / 24 h / Reflux

2: sodium carbonate; palladium on activated charcoal / 1,2-dimethoxyethane; water / 1 h / 45 °C

With 3-Methylpyridine; palladium on activated charcoal; sodium carbonate; In 1,2-dimethoxyethane; 5,5-dimethyl-1,3-cyclohexadiene; water; 2: |Suzuki-Miyaura Coupling;
DOI:10.1016/j.bmcl.2014.04.121