((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester

Base Information

Chemical Name:((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester
CAS No.:258848-58-7
Molecular Formula:C₂₁H₃₃O₄P
Molecular Weight:380.464
Hs Code.:

Synonyms:((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester

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Chemical Property of ((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester

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Technology Process of ((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester

There total 3 articles about ((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl 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: 80.0%

: 4784-77-4,39616-19-8,29576-14-5
(E)-1-Bromo-2-butene

: 258848-50-9
(1-benzyl-1-methyl-2-oxo-pentyl)-phosphonic acid diethyl ester

: 258848-58-7
((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester

Guidance literature:: (1-benzyl-1-methyl-2-oxo-pentyl)-phosphonic acid diethyl ester; With lithium diisopropyl amide; In tetrahydrofuran; n-heptan1ol; at -78 - -40 ℃; for 1h;

(E)-1-Bromo-2-butene; at 20 ℃; for 3h; Further stages.;
DOI:10.1021/jo991559o

Reference yield:

: 100-39-0
benzyl bromide

: 258848-58-7
((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: NaH / tetrahydrofuran / 1 h / 20 °C

1.2: 74 percent / 3 h

2.1: LDA / tetrahydrofuran; heptan-1-ol; various solvent(s) / 1 h / -78 - -40 °C

2.2: 80 percent / 3 h / 20 °C

With sodium hydride; lithium diisopropyl amide; In tetrahydrofuran; n-heptan1ol; 1.1: Metallation / 1.2: Substitution / 2.1: Metallation / 2.2: Substitution;
DOI:10.1021/jo991559o

Reference yield:

: 92925-73-0
diethyl 1-methyl-2-oxopentylphosphonate

: 258848-58-7
((E)-1-Benzyl-3-ethyl-1-methyl-2-oxo-hept-5-enyl)-phosphonic acid diethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: NaH / tetrahydrofuran / 1 h / 20 °C

1.2: 74 percent / 3 h

2.1: LDA / tetrahydrofuran; heptan-1-ol; various solvent(s) / 1 h / -78 - -40 °C

2.2: 80 percent / 3 h / 20 °C

With sodium hydride; lithium diisopropyl amide; In tetrahydrofuran; n-heptan1ol; 1.1: Metallation / 1.2: Substitution / 2.1: Metallation / 2.2: Substitution;
DOI:10.1021/jo991559o