ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

Base Information

Chemical Name:ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate
CAS No.:337526-58-6
Molecular Formula:C₂₁H₁₈Cl₂N₂O₂
Molecular Weight:401.292
Hs Code.:

Synonyms:ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

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Chemical Property of ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

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Technology Process of ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

There total 3 articles about ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate 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:

: 337526-57-5
ethyl ester of (5-oxo-6,7,8,9-tetrahydro-5H-benzocyclohepten-6-yl)(2,4-dichlorophenyl-hydrazono)acetic acid

: 337526-58-6
ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

Guidance literature:: In acetic acid; for 6h; Heating / reflux;

Reference yield:

: 826-73-3
1-Benzosuberone

: 337526-58-6
ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 77 percent / NaOEt / ethanol / 8 h / 20 °C

2: 77 percent / ethanol / 3 h / Heating

With sodium ethanolate; In ethanol;
DOI:10.1021/jm050317f

Reference yield:

: 5446-18-4
2,4-dichlorophenyl hydrazine hydrochloride

: 95-92-1
oxalic acid diethyl ester

: 826-73-3
1-Benzosuberone

: 337526-58-6
ethyl 1-(2',4'-dichlorophenyl)-1,4,5,6-tetrahydrobenzo[6,7]cyclohepta[1,2-c]pyrazole-3-carboxylate

Guidance literature:: 1-Benzosuberone; With lithium hexamethyldisilazane; In tetrahydrofuran; diethyl ether; hexane; at -78 - 0 ℃; for 0.75h;

oxalic acid diethyl ester; In tetrahydrofuran; diethyl ether; hexane; at -78 - 20 ℃;

2,4-dichlorophenyl hydrazine hydrochloride; With acetic acid;
DOI:10.1248/cpb.50.1109