2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one

Base Information

Chemical Name:2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one
CAS No.:108213-33-8
Molecular Formula:C₁₉H₁₈Cl₂O₅
Molecular Weight:397.255
Hs Code.:

Synonyms:2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one

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Chemical Property of 2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one

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Technology Process of 2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one

There total 1 articles about 2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one 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:

: 767-91-9
1-ethynyl-2-methoxybenzene

: 20764-96-9
2,5-Dichloro-3,6-diethoxy-2,5-cyclohexadiene-1,4-dione

: 108213-33-8
2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one

Guidance literature:: With n-butyllithium; Yield given. Multistep reaction; 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, -78 deg C, 1 h;
DOI:10.1021/jo00388a035

Reference yield: 80.0%

: 108213-33-8
2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one

: 108213-45-2
3,6-dichloro-4-ethoxy-5-<(2-methoxyphenyl)ethynyl>-3,5-clohexadiene-1,2-dione

Guidance literature:: With sulfuric acid; trifluoroacetic anhydride; In diethyl ether; for 1h;
DOI:10.1021/jo00388a035

Reference yield:

: 108213-33-8
2,5-dichloro-3,6-diethoxy-4-hydroxy-4-<(2-methoxyphenyl)ethynyl>-2,5-cyclohexadien-1-one

: 108213-57-6
2,5-dichloro-6-hydroxy-3-(1-octa-1,7-diynyl)-2,5-cyclohexadiene-1,4-dione

Guidance literature:: Multi-step reaction with 2 steps

1: 80 percent / trifluoroacetic anhydride, conc. sulfuric acid / diethyl ether / 1 h

2: 81 percent / trifluoroacetic anhydride, sulfuric acid / ethyl acetate / 3 h

With sulfuric acid; trifluoroacetic anhydride; In diethyl ether; ethyl acetate;
DOI:10.1021/jo00388a035