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

Base Information

Chemical Name:ethyl (E)-3-[1-[2-chloro-4-(trifluoromethyl)benzyl]-3-(2-methoxyethoxy)-1H-pyrazol-5-yl]propenoate
CAS No.:926299-37-8
Molecular Formula:C₁₉H₂₀ClF₃N₂O₄
Molecular Weight:432.827
Hs Code.:

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

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

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

There total 6 articles about ethyl (E)-3-[1-[2-chloro-4-(trifluoromethyl)benzyl]-3-(2-methoxyethoxy)-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: 100.0%

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

: 109-86-4,95507-80-5
2-methoxy-ethanol

: 926299-37-8
ethyl (E)-3-[1-[2-chloro-4-(trifluoromethyl)benzyl]-3-(2-methoxyethoxy)-1H-pyrazol-5-yl]propenoate

Guidance literature:: With tributylphosphine; 1,1'-azodicarbonyl-dipiperidine; In tetrahydrofuran; 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

: 926299-37-8
ethyl (E)-3-[1-[2-chloro-4-(trifluoromethyl)benzyl]-3-(2-methoxyethoxy)-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: tributylphosphine; 1,1'-azodicarbonyl-dipiperidine / tetrahydrofuran / 20 °C

With hydrogenchloride; tributylphosphine; sodium hydride; diisobutylaluminium hydride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; 1,1'-azodicarbonyl-dipiperidine; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide; toluene; 3.2: Horner-Wadsworth-Emmons reaction / 5.1: Mitsunobu 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

: 926299-37-8
ethyl (E)-3-[1-[2-chloro-4-(trifluoromethyl)benzyl]-3-(2-methoxyethoxy)-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: tributylphosphine; 1,1'-azodicarbonyl-dipiperidine / tetrahydrofuran / 20 °C

With hydrogenchloride; tributylphosphine; sodium hydride; diisobutylaluminium hydride; 1,1'-azodicarbonyl-dipiperidine; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide; toluene; 2.2: Horner-Wadsworth-Emmons reaction / 4.1: Mitsunobu reaction;
DOI:10.1016/j.bmc.2011.12.008