ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate

Base Information

Chemical Name:ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate
CAS No.:926296-33-5
Molecular Formula:C₁₉H₂₀ClF₃N₂O₃
Molecular Weight:416.828
Hs Code.:

Synonyms:ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate

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Chemical Property of ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate

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Technology Process of ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate

There total 6 articles about ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate 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: 90.0%

: 75-30-9
2-iodo-propane

: 926296-21-1
ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-hydroxy-1H-pyrazol-5-yl}propenoate

: 926296-33-5
ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃;
DOI:10.1016/j.bmc.2011.12.008

Reference yield:

: 1-[2-chloro-4-(trifluoromethyl)benzyl]-3-(methoxymethoxy)-1H-pyrazole-5-carboxylic acid

: 926296-33-5
ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate

Guidance literature:: Multi-step reaction with 5 steps

1.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / N,N-dimethyl-formamide / 15 h / 20 °C

2.1: diisobutylaluminium hydride / tetrahydrofuran; toluene / -78 - 0 °C

3.1: sodium hydride / N,N-dimethyl-formamide / 0 - 20 °C

3.2: 0 - 20 °C

4.1: hydrogenchloride / ethanol; water / Reflux

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

With hydrogenchloride; sodium hydride; diisobutylaluminium hydride; potassium carbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide; toluene; 3.2: Horner-Wadsworth-Emmons reaction;
DOI:10.1016/j.bmc.2011.12.008

Reference yield:

: 926296-30-2
1-[2-chloro-4-(trifluoromethyl)benzyl]-N-methoxy-3-(methoxymethoxy)-N-methyl-1H-pyrazole-5-carboxamide

: 926296-33-5
ethyl (E)-3-{1-[2-chloro-4-(trifluoromethyl)benzyl]-3-isopropoxy-1H-pyrazol-5-yl}propenoate

Guidance literature:: Multi-step reaction with 4 steps

1.1: diisobutylaluminium hydride / tetrahydrofuran; toluene / -78 - 0 °C

2.1: sodium hydride / N,N-dimethyl-formamide / 0 - 20 °C

2.2: 0 - 20 °C

3.1: hydrogenchloride / ethanol; water / Reflux

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

With hydrogenchloride; sodium hydride; diisobutylaluminium hydride; potassium carbonate; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide; toluene; 2.2: Horner-Wadsworth-Emmons reaction;
DOI:10.1016/j.bmc.2011.12.008