8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid

Base Information

Chemical Name:8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid
CAS No.:870679-47-3
Molecular Formula:C₂₀H₁₆Cl₂N₂O₂
Molecular Weight:387.265
Hs Code.:

Synonyms:8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid

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Chemical Property of 8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid

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Technology Process of 8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid

There total 6 articles about 8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid 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: 94.0%

: 870679-51-9
ethyl 8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

: 870679-47-3
8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid

Guidance literature:: With potassium hydroxide; In methanol; Heating;
DOI:10.1021/jm050317f

Reference yield:

: 870679-58-6
5-m-tolyl-pent-4-enoic acid

: 870679-47-3
8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1: 96 percent / H₂ / PtO₂ / ethanol / 2 h / 20 °C

2: 62 percent / polyphosphoric acid / 1 h / 130 °C

3: 96 percent / NaOEt / ethanol / 9 h / 20 °C

4: 63 percent / ethanol / 3 h / Heating

5: 94 percent / KOH / methanol / Heating

With potassium hydroxide; PPA; hydrogen; sodium ethanolate; platinum(IV) oxide; In methanol; ethanol;
DOI:10.1021/jm050317f

Reference yield:

: 17857-14-6
(3-carboxypropyl)(triphenyl)phosphonium bromide

: 870679-47-3
8-methyl-1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: t-BuOK / dimethylsulfoxide / 0.33 h / 20 °C

1.2: 69 percent / dimethylsulfoxide / 4 h / 20 °C

2.1: 96 percent / H₂ / PtO₂ / ethanol / 2 h / 20 °C

3.1: 62 percent / polyphosphoric acid / 1 h / 130 °C

4.1: 96 percent / NaOEt / ethanol / 9 h / 20 °C

5.1: 63 percent / ethanol / 3 h / Heating

6.1: 94 percent / KOH / methanol / Heating

With potassium hydroxide; PPA; potassium tert-butylate; hydrogen; sodium ethanolate; platinum(IV) oxide; In methanol; ethanol; dimethyl sulfoxide;
DOI:10.1021/jm050317f