diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate

Base Information

Chemical Name:diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate
CAS No.:1609669-93-3
Molecular Formula:C₁₄H₂₀BrN₂O₄P
Molecular Weight:391.202
Hs Code.:

Synonyms:diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate

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Chemical Property of diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate

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Technology Process of diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate

There total 5 articles about diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate 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: 79.0%

: 1609669-88-6
diethyl (2-(4-bromophenyl)-1-methyl-3-oxo-2,3-dihydro-1H-pyrazol-4-yl)phosphonate

: 1609669-93-3
diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate

Guidance literature:: With L-Selectride; In tetrahydrofuran; at -78 - 20 ℃; Inert atmosphere;
DOI:10.1055/s-0033-1340071

Reference yield:

: 1609669-83-1
C₁₃H₁₆BrN₂O₄P

: 1609669-93-3
diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate

Guidance literature:: Multi-step reaction with 2 steps

1: 1,2-dichloro-ethane / 18 h / 80 °C

2: L-Selectride / tetrahydrofuran / -78 - 20 °C / Inert atmosphere

With L-Selectride; In tetrahydrofuran; 1,2-dichloro-ethane;
DOI:10.1055/s-0033-1340071

Reference yield:

: 54132-82-0
C₉H₁₆O₆P^(1-)*Na⁽¹⁺⁾

: 1609669-93-3
diethyl (2-(4-bromophenyl)-1-methyl-3-oxopyrazolidin-4-yl)phosphonate

Guidance literature:: Multi-step reaction with 4 steps

1: water / 0.17 h / Reflux

2: potassium carbonate / water / 0.17 h / Reflux

3: 1,2-dichloro-ethane / 18 h / 80 °C

4: L-Selectride / tetrahydrofuran / -78 - 20 °C / Inert atmosphere

With L-Selectride; potassium carbonate; In tetrahydrofuran; water; 1,2-dichloro-ethane;
DOI:10.1055/s-0033-1340071