ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate

Base Information

Chemical Name:ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate
CAS No.:107408-17-3
Molecular Formula:C₃₃H₃₀BrO₃P
Molecular Weight:585.477
Hs Code.:

Synonyms:ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate

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Chemical Property of ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate

Chemical Property:

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Technology Process of ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate

There total 6 articles about ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate 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: 91.0%

: 78980-76-4
diethyl <2,4-dioxo-4-ethoxy-3-(triphenylphosphoranylidene)butyl>-phosphonate

: 107408-16-2
3-(o-bromophenyl)propanal

: 107408-17-3
ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate

Guidance literature:: With sodium hydride; In tetrahydrofuran;

Reference yield:

: 66192-11-8
diethyl 2-(2-bromobenzyl)propan-1,3-dioate

: 107408-17-3
ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate

Guidance literature:: Multi-step reaction with 5 steps

1: 85percent aq. KOH / 2 h / 90 - 100 °C

2: 130 - 195 °C

3: 65 percent / BH₃ / tetrahydrofuran / 1 h / 25 °C

4: 66 percent / pyridinium chlorochromate / CH₂Cl₂ / 3 h / 25 °C

5: 91 percent / NaH / tetrahydrofuran

With potassium hydroxide; borane; sodium hydride; pyridinium chlorochromate; In tetrahydrofuran; dichloromethane;

Reference yield:

: 15115-58-9
3-(2-bromophenyl)propionic acid

: 107408-17-3
ethyl 7-(2-bromophenyl)-3-oxo-2-(triphenylphosphoranylidine)-4(E)-heptenoate

Guidance literature:: Multi-step reaction with 3 steps

1: 65 percent / BH₃ / tetrahydrofuran / 1 h / 25 °C

2: 66 percent / pyridinium chlorochromate / CH₂Cl₂ / 3 h / 25 °C

3: 91 percent / NaH / tetrahydrofuran

With borane; sodium hydride; pyridinium chlorochromate; In tetrahydrofuran; dichloromethane;