1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one

Base Information

Chemical Name:1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one
CAS No.:952198-19-5
Molecular Formula:C₂₂H₂₄N₂O₂
Molecular Weight:348.445
Hs Code.:

Synonyms:1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one

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Chemical Property of 1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one

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Technology Process of 1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one

There total 2 articles about 1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one 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:

: 35086-87-4,38449-13-7
(E)-2-methyl-3-phenylacryloyl chloride

: 131391-08-7
1-benzyl-5,5-dimethyl-pyrazolidin-3-one

: 952198-19-5
1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one

Guidance literature:: 1-benzyl-5,5-dimethyl-pyrazolidin-3-one; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 0.5h;

(E)-2-methyl-3-phenylacryloyl chloride; In tetrahydrofuran; at -78 - 20 ℃;
DOI:10.1002/adsc.200600307

Reference yield:

: 1895-97-2
2-methyl-3-phenylacrylic acid

: 952198-19-5
1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: oxalyl chloride; DMF / CH₂Cl₂ / 0 - 20 °C

2.1: n-BuLi / tetrahydrofuran / 0.5 h / -78 °C

2.2: tetrahydrofuran / -78 - 20 °C

With n-butyllithium; oxalyl dichloride; N,N-dimethyl-formamide; In tetrahydrofuran; dichloromethane;
DOI:10.1002/adsc.200600307

Reference yield: 56.0%

: (Z)-N-4-bromophenyl-4-bromobenzohydrazonoyl bromide

: 952198-19-5
1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one

: 1-benzyl-2-[2,5-bis-(4-bromo-phenyl)-3-methyl-4-phenyl-3,4-dihydro-2H-pyrazole-3-carbonyl]-5,5-dimethyl-pyrazolidin-3-one

Guidance literature:: 1-benzyl-5,5-dimethyl-((E)-2-methyl-3-phenylpropenoyl)-pyrazolidin-3-one; With (3aR,3a’R,8aS,8a’S)-2,2’-(cyclopropane-1,1-diyl)bis(3a,8a-dihydro-8H-indeno[1,2-d]-oxazole); magnesium iodide; In dichloromethane; at 20 ℃; for 0.5h;

(Z)-N-4-bromophenyl-4-bromobenzohydrazonoyl bromide; With triethylamine; In dichloromethane; at -20 ℃; for 24h;
DOI:10.1002/adsc.200600307