(3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone

Base Information

Chemical Name:(3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone
CAS No.:1402058-28-9
Molecular Formula:C₂₄H₂₁BrN₂O₄
Molecular Weight:481.346
Hs Code.:

Synonyms:(3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone

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Chemical Property of (3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone

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Technology Process of (3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone

There total 4 articles about (3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone 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: 69.0%

: 89-55-4
5-bromosalicyclic acid

: 76973-45-0
3,5-di(4-methoxyphenyl)-2-pyrazoline

: 1402058-28-9
(3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone

Guidance literature:: With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; Reflux;
DOI:10.1016/j.bmcl.2012.09.004

Reference yield:

: 123-11-5
4-methoxy-benzaldehyde

: 1402058-28-9
(3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone

Guidance literature:: Multi-step reaction with 3 steps

1.1: ethanol / 5 - 10 °C

1.2: 4 h / 20 °C

2.1: hydrazine hydrate / ethanol / 2 h / Reflux

3.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / Reflux

With benzotriazol-1-ol; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In ethanol; dichloromethane; 1.1: |Aldol Condensation / 1.2: |Aldol Condensation;
DOI:10.1016/j.bmcl.2012.09.004

Reference yield:

: 2373-89-9
4,4'-dimethoxychalcone

: 1402058-28-9
(3,5-bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)(5-bromo-2-hydroxyphenyl)methanone

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / 2 h / Reflux

2: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / Reflux

With benzotriazol-1-ol; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In ethanol; dichloromethane;
DOI:10.1016/j.bmcl.2012.09.004