1,4-Naphthalenedione, 2-(2-bromophenyl)-3-hydroxy-

Base Information

Chemical Name:1,4-Naphthalenedione, 2-(2-bromophenyl)-3-hydroxy-
CAS No.:278780-93-1
Molecular Formula:C16H9BrO3
Molecular Weight:329.15
Hs Code.:

Synonyms:

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 1,4-Naphthalenedione, 2-(2-bromophenyl)-3-hydroxy-

Chemical Property:

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Technology Process of 1,4-Naphthalenedione, 2-(2-bromophenyl)-3-hydroxy-

There total 11 articles about 1,4-Naphthalenedione, 2-(2-bromophenyl)-3-hydroxy- 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: 93.0%

: 278780-91-9
3-(2-bromophenyl)-1,2-naphthoquinone

: 278780-93-1
2-(2-bromophenyl)-3-hydroxy-1,4-naphthoquinone

Guidance literature:: With sulfuric acid; In methanol; water; for 94h; Heating;
DOI:10.1016/j.tet.2004.10.044

Reference yield:

: 103457-38-1
(E)-2-(2-bromobenzylidene)-2,3-dihydro-1H-inden-1-one

: 278780-93-1
2-(2-bromophenyl)-3-hydroxy-1,4-naphthoquinone

Guidance literature:: Multi-step reaction with 7 steps

1.1: 98 percent / hydrogen / Pd/C / ethyl acetate / 1.25 h / 20 °C / 760 Torr

2.1: NaBH₄ / methanol / 1.5 h / 0 - 20 °C

3.1: 0.638 g / sulfuric acid / 0.5 h / Heating

4.1: O₃ / CH₂Cl₂ / 0.03 h / -78 °C

4.2: 73 percent / dimethyl sulfide / CH₂Cl₂ / 20 h / -78 - 20 °C

5.1: 100 percent / NaOH / H₂O / 1 h / 20 °C

6.1: 94 percent / Fremy's salt; K₂HPO₄ / H₂O; acetone / 1 h / 20 °C

7.1: 93 percent / sulfuric acid / methanol; H₂O / 94 h / Heating

With sodium hydroxide; sodium tetrahydroborate; dipotassium hydrogenphosphate; potassiuim nitrosodisulfonate; sulfuric acid; hydrogen; ozone; palladium on activated charcoal; In methanol; dichloromethane; water; ethyl acetate; acetone;
DOI:10.1016/j.tet.2004.10.044

Reference yield:

: 6630-33-7
ortho-bromobenzaldehyde

: 278780-93-1
2-(2-bromophenyl)-3-hydroxy-1,4-naphthoquinone

Guidance literature:: Multi-step reaction with 8 steps

1.1: 98 percent / sodium methoxide / methanol / 15 h / 20 °C

2.1: 98 percent / hydrogen / Pd/C / ethyl acetate / 1.25 h / 20 °C / 760 Torr

3.1: NaBH₄ / methanol / 1.5 h / 0 - 20 °C

4.1: 0.638 g / sulfuric acid / 0.5 h / Heating

5.1: O₃ / CH₂Cl₂ / 0.03 h / -78 °C

5.2: 73 percent / dimethyl sulfide / CH₂Cl₂ / 20 h / -78 - 20 °C

6.1: 100 percent / NaOH / H₂O / 1 h / 20 °C

7.1: 94 percent / Fremy's salt; K₂HPO₄ / H₂O; acetone / 1 h / 20 °C

8.1: 93 percent / sulfuric acid / methanol; H₂O / 94 h / Heating

With sodium hydroxide; sodium tetrahydroborate; dipotassium hydrogenphosphate; potassiuim nitrosodisulfonate; sulfuric acid; hydrogen; sodium methylate; ozone; palladium on activated charcoal; In methanol; dichloromethane; water; ethyl acetate; acetone;
DOI:10.1016/j.tet.2004.10.044