Br^(1-)*C₄₉H₄₄O₅P⁽¹⁺⁾

Base Information

• Chemical Name: Br^(1-)*C₄₉H₄₄O₅P⁽¹⁺⁾
• CAS No.: 1342818-12-5
• Molecular Formula: Br*C₄₉H₄₄O₅P
• Molecular Weight: 823.763

Synonyms:

Chemical Property of Br^(1-)*C₄₉H₄₄O₅P⁽¹⁺⁾

Chemical Property:

Purity/Quality:

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Technology Process of Br^(1-)*C₄₉H₄₄O₅P⁽¹⁺⁾

There total 10 articles about Br^(1-)*C₄₉H₄₄O₅P⁽¹⁺⁾ 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:

2',4-dimethoxy-4'-[2-(3-(4-formylphenoxy)-4-methoxyphenyl)vinyl]biphenyl-2-carbaldehyde → Br(1-)*C49H44O5P(1+) (1342818-12-5)

Guidance literature:

Multi-step reaction with 3 steps

1: palladium 10% on activated carbon; hydrogen / methanol; dichloromethane / 0.33 h

2: phosphorus tribromide / dichloromethane / 0 - 20 °C / Inert atmosphere

3: toluene / Inert atmosphere; Heating

With palladium 10% on activated carbon; hydrogen; phosphorus tribromide; In methanol; dichloromethane; toluene;

DOI:10.1002/chem.201101550

Reference yield:

2',4-dimethoxy-4'-vinylbiphenyl-2-carbaldehyde (1342818-07-8) → Br(1-)*C49H44O5P(1+) (1342818-12-5)

Guidance literature:

Multi-step reaction with 4 steps

1: palladium diacetate; triethylamine / 1,4-dioxane / 19 h / Inert atmosphere; Reflux

2: palladium 10% on activated carbon; hydrogen / methanol; dichloromethane / 0.33 h

3: phosphorus tribromide / dichloromethane / 0 - 20 °C / Inert atmosphere

4: toluene / Inert atmosphere; Heating

With palladium 10% on activated carbon; hydrogen; palladium diacetate; phosphorus tribromide; triethylamine; In 1,4-dioxane; methanol; dichloromethane; toluene; 1: Heck reaction;

DOI:10.1002/chem.201101550

Reference yield:

3-methoxy-4-hydroxystyrene (7786-61-0,31853-85-7) → Br(1-)*C49H44O5P(1+) (1342818-12-5)

Guidance literature:

Multi-step reaction with 6 steps

1: pyridine / dichloromethane / 4 h / 0 °C / Inert atmosphere

2: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; caesium carbonate; lithium chloride; palladium dichloride / 1,4-dioxane / 3 h / Inert atmosphere; Reflux

3: palladium diacetate; triethylamine / 1,4-dioxane / 19 h / Inert atmosphere; Reflux

4: palladium 10% on activated carbon; hydrogen / methanol; dichloromethane / 0.33 h

5: phosphorus tribromide / dichloromethane / 0 - 20 °C / Inert atmosphere

6: toluene / Inert atmosphere; Heating

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; pyridine; palladium 10% on activated carbon; hydrogen; palladium diacetate; phosphorus tribromide; caesium carbonate; triethylamine; lithium chloride; palladium dichloride; In 1,4-dioxane; methanol; dichloromethane; toluene; 2: Suzuki-Miyaura coupling / 3: Heck reaction;

DOI:10.1002/chem.201101550

upstream raw materials:

2',4-dimethoxy-4'-{2-[3-(4-hydroxymethylphenoxy)-4-methoxyphenyl]ethyl}biphenyl-2-carbaldehyde

triphenylphosphine

2-methoxy-4-vinylphenyltrifluoromethane sulfonate

2',4-dimethoxy-4'-vinylbiphenyl-2-carbaldehyde

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