ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate

Base Information

Chemical Name:ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate
CAS No.:926296-42-6
Molecular Formula:C₁₇H₁₆ClF₃N₂O₂
Molecular Weight:372.774
Hs Code.:

Synonyms:ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate

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Chemical Property of ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate

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Technology Process of ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate

There total 3 articles about ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-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: 56.0%

: 133261-06-0
ethyl 3-cyclopropyl-1H-pyrazole-5-carboxylate

: 24096-63-7
2-chloro-1-(chloromethyl)-4-(trifluoromethyl)benzene

: 926296-42-6
ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 0 - 30 ℃; for 15h;

Reference yield:

: 765-43-5
Cyclopropyl methyl ketone

: 926296-42-6
ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: potassium tert-butylate / tetrahydrofuran / 20 °C

2: hydrazine hydrate; acetic acid / tetrahydrofuran / Reflux

3: potassium carbonate / N,N-dimethyl-formamide / 20 °C

With potassium tert-butylate; potassium carbonate; hydrazine hydrate; acetic acid; In tetrahydrofuran; N,N-dimethyl-formamide; 1: Claisen condensation;
DOI:10.1016/j.bmc.2011.12.008

Reference yield:

: 21080-80-8
ethyl 4-cyclopropyl-2,4-dioxobutanoate

: 926296-42-6
ethyl 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-cyclopropyl-1H-pyrazole-5-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate; acetic acid / tetrahydrofuran / Reflux

2: potassium carbonate / N,N-dimethyl-formamide / 20 °C

With potassium carbonate; hydrazine hydrate; acetic acid; In tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1016/j.bmc.2011.12.008