3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid methyl ester

Base Information

• Chemical Name: 3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid methyl ester
• CAS No.: 134898-28-5
• Molecular Formula: C₃₆H₂₈BrO₄P
• Molecular Weight: 635.494

Synonyms:3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid methyl ester

Chemical Property of 3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid methyl ester

Chemical Property:

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Technology Process of 3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid methyl ester

There total 4 articles about 3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid methyl ester 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: 65.0%

3,3-dibromo-1,3-diphenyl-1,3-propanedione (16619-55-9) + methyl (triphenylphosphoranylidene)acetate (21204-67-1,2605-67-6) → (methyloxycarbonylmethyl)triphenylphosphonium bromide (1779-58-4) + 3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ5-phosphanylidene)-butyric acid methyl ester (134898-28-5)

Guidance literature:

In benzene; Heating;

Reference yield: 65.0%

(2-Benzoyl-2-bromo-1-methoxycarbonyl-3-oxo-3-phenyl-propyl)-triphenyl-phosphonium; bromide (134898-25-2) + methyl (triphenylphosphoranylidene)acetate (21204-67-1,2605-67-6) → (methyloxycarbonylmethyl)triphenylphosphonium bromide (1779-58-4) + 3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ5-phosphanylidene)-butyric acid methyl ester (134898-28-5)

Guidance literature:

In benzene; Heating;

Reference yield:

3,3-dibromo-1,3-diphenyl-1,3-propanedione (16619-55-9) → 3-Benzoyl-3-bromo-4-oxo-4-phenyl-2-(triphenyl-λ5-phosphanylidene)-butyric acid methyl ester (134898-28-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 88 percent / benzene / Ambient temperature

2: 65 percent / benzene / Heating

In benzene;

upstream raw materials:

3,3-dibromo-1,3-diphenyl-1,3-propanedione

methyl (triphenylphosphoranylidene)acetate

(2-Benzoyl-2-bromo-1-methoxycarbonyl-3-oxo-3-phenyl-propyl)-triphenyl-phosphonium; bromide

Downstream raw materials:

3-Benzoyl-2-bromo-4-oxo-4-phenyl-but-2-enoic acid methyl ester

triphenylphosphine

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