3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-propionic acid tert-butyl ester

Base Information

• Chemical Name: 3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-propionic acid tert-butyl ester
• CAS No.: 123796-71-4
• Molecular Formula: C₃₃H₃₃O₅P
• Molecular Weight: 540.596

Synonyms:3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-propionic acid tert-butyl ester

Chemical Property of 3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-propionic acid tert-butyl ester

Chemical Property:

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Technology Process of 3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-propionic acid tert-butyl ester

There total 1 articles about 3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-propionic acid tert-butyl 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: 93.0%

(tert-Butoxycarbonylmethylene)triphenylphosphorane (86302-43-4,35000-38-5) + 3,4-dimethoxybenzoic acid chloride (3535-37-3) → 3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ5-phosphanylidene)-propionic acid tert-butyl ester (123796-71-4)

Guidance literature:

DOI:10.1016/S0040-4039(01)80639-0

Reference yield: 85.0%

3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ5-phosphanylidene)-propionic acid tert-butyl ester (123796-71-4) → 3-(3,4-Dimethoxy-phenyl)-2,3-dioxo-propionic acid tert-butyl ester; hydrate

Guidance literature:

With ozone;

DOI:10.1016/S0040-4039(01)80639-0

Reference yield:

3-(3,4-Dimethoxy-phenyl)-3-oxo-2-(triphenyl-λ5-phosphanylidene)-propionic acid tert-butyl ester (123796-71-4) → papaveraldine (522-57-6)

Guidance literature:

Multi-step reaction with 3 steps

1: 85 percent / O₃

2: 71 percent / trifluoroacetic acid / benzene

3: 80 percent / KOH / methanol

With potassium hydroxide; ozone; trifluoroacetic acid; In methanol; benzene;

DOI:10.1016/S0040-4039(01)80639-0

upstream raw materials:

(tert-Butoxycarbonylmethylene)triphenylphosphorane

3,4-dimethoxybenzoic acid chloride

Downstream raw materials:

papaveraldine

3,4-dihydropapaveraldine

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