DDB

Base Information

Chemical Name:DDB
CAS No.:111897-19-9
Molecular Formula:C₂₀H₁₈O₁₀
Molecular Weight:418.357
Hs Code.:

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Suppliers and Price of DDB

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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 DDB

Chemical Property:

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Technology Process of DDB

There total 20 articles about DDB 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: 85.0%

: 81474-46-6
4-bromo-7-methoxybenzo[1,3]dioxole-5-carboxylic acid methyl ester

: 111897-19-9,111897-25-7,111897-26-8,73536-69-3
DDB

Guidance literature:: With copper; In N,N-dimethyl-formamide; at 180 ℃; for 16h;
DOI:10.1016/j.tet.2004.11.083

Reference yield:

: 123685-25-6
5-methoxy-3,4-dihydroxy-2-bromobenzoic acid methyl ester

: 111897-19-9,111897-25-7,111897-26-8,73536-69-3
DDB

Guidance literature:: Multi-step reaction with 2 steps

1: 84 percent / potassium fluoride / dimethylformamide / 110 °C

2: 85 percent / copper / dimethylformamide / 16 h / 180 °C

With potassium fluoride; copper; In N,N-dimethyl-formamide; 2: Ullmann coupling;
DOI:10.1016/j.tet.2004.11.083

Reference yield:

: 99-24-1
methyl galloate

: 111897-19-9,111897-25-7,111897-26-8,73536-69-3
DDB

Guidance literature:: Multi-step reaction with 6 steps

1: 98.5 percent / Amberlyst 15E / benzene / 18 h / Heating

2: potassium carbonate / dimethylformamide / 12 h / 70 °C

3: hydrochloric acid / methanol; H₂O / 2 h / 20 °C

4: 98 percent / 1,3-dibromo-5,5-dimethylhydantoin / CHCl₃ / 24 h / 20 °C

5: 84 percent / potassium fluoride / dimethylformamide / 110 °C

6: 85 percent / copper / dimethylformamide / 16 h / 180 °C

With hydrogenchloride; potassium fluoride; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; Amberlyst 15E; copper; potassium carbonate; In methanol; chloroform; water; N,N-dimethyl-formamide; benzene; 6: Ullmann coupling;
DOI:10.1016/j.tet.2004.11.083