2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one

Base Information

Chemical Name:2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one
CAS No.:1583273-10-2
Molecular Formula:C₁₉H₁₆N₂O₂
Molecular Weight:304.348
Hs Code.:

Synonyms:2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one

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Chemical Property of 2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one

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Technology Process of 2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one

There total 3 articles about 2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-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: 66.0%

: 1384519-04-3
(E)-ethyl 3-oxo-2,3-dihydrobenzo[b]oxepine-4-carboxylate

: 60481-51-8,86746-50-1
3,4-dimethylphenylhydrazine hydrochloride

: 1583273-10-2
2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one

Guidance literature:: With acetic acid; In ethanol; at 20 ℃; Reflux;
DOI:10.1016/j.ejmech.2014.02.042

Reference yield:

: 1278587-62-4
ethyl 2-(chloromethyl)-2-hydroxy-2H-1-benzopyran-3-carboxylate

: 1583273-10-2
2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: (carbethoxyethylidene)triphenylphosphorane / 6 h / Reflux; Inert atmosphere

2: acetic acid / ethanol / 20 °C / Reflux

With acetic acid; (carbethoxyethylidene)triphenylphosphorane; In ethanol; 1: |Wittig Rearrangement;
DOI:10.1016/j.ejmech.2014.02.042

Reference yield:

: 90-02-8
salicylaldehyde

: 1583273-10-2
2-(3,4-dimethylphenyl)-2,10-dihydro-3H-benzo[6,7]oxepino[3,4-c]pyrazol-3-one

Guidance literature:: Multi-step reaction with 3 steps

1: piperidine / dichloromethane / 8.25 h / 20 °C

2: (carbethoxyethylidene)triphenylphosphorane / 6 h / Reflux; Inert atmosphere

3: acetic acid / ethanol / 20 °C / Reflux

With piperidine; acetic acid; (carbethoxyethylidene)triphenylphosphorane; In ethanol; dichloromethane; 2: |Wittig Rearrangement;
DOI:10.1016/j.ejmech.2014.02.042