1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole

Base Information

Chemical Name:1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole
CAS No.:1381772-74-2
Molecular Formula:C₁₇H₁₇ClN₂O
Molecular Weight:300.788
Hs Code.:

Synonyms:1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole

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Chemical Property of 1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole

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Technology Process of 1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole

There total 5 articles about 1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole 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%

: 1381772-50-4
(E)-1-(2-chloro-4-(4-methoxyphenyl)butan-2-yl)-2-(4-chlorophenyl)diazene

: 1381772-74-2
1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole

Guidance literature:: (E)-1-(2-chloro-4-(4-methoxyphenyl)butan-2-yl)-2-(4-chlorophenyl)diazene; With aluminum (III) chloride; In dichloromethane; at -60 ℃; for 4h; Inert atmosphere;

With triethylamine; In dichloromethane; at 0 - 20 ℃; Inert atmosphere;
DOI:10.1021/ja303054c

Reference yield: 79.0%

: C₁₇H₁₈Cl₂N₂O

: 1381772-74-2
1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole

Guidance literature:: C₁₇H₁₈Cl₂N₂O; With aluminum (III) chloride; In dichloromethane; at -60 ℃; for 4h; Inert atmosphere;

With triethylamine; In dichloromethane; at 0 - 20 ℃; Inert atmosphere;
DOI:10.1021/jacs.5b04474

Reference yield:

: 1381772-13-9
(E)-1-(4-chlorophenyl)-2-(4-(4-methoxyphenyl)butan-2-ylidene)hydrazine

: 1381772-74-2
1-(4-chlorophenyl)-5-(4-methoxyphenyl)-3-methyl-4,5-dihydro-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1.1: oxalyl dichloride; dimethyl sulfoxide / tetrahydrofuran / 0.17 h / -78 - -55 °C / Inert atmosphere

1.2: 0.08 h / 25 °C / Inert atmosphere

2.1: aluminum (III) chloride / dichloromethane / 4 h / -60 °C / Inert atmosphere

2.2: 0 - 20 °C / Inert atmosphere

With aluminum (III) chloride; oxalyl dichloride; dimethyl sulfoxide; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ja303054c