3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole

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Chemical Name:3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole
CAS No.:1418295-63-2
Molecular Formula:C₂₁H₁₈F₄N₂O
Molecular Weight:390.38
Hs Code.:

Synonyms:3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole

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Chemical Property of 3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole

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Technology Process of 3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole

There total 9 articles about 3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole 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:

: 1418296-92-0
3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1H-pyrazole

: 104-81-4
4-Methylbenzyl bromide

: 1418295-63-2
3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole

Guidance literature:: With potassium tert-butylate; In tetrahydrofuran; at 0 - 20 ℃; for 72h;

Reference yield:

: 4027-57-0
ethyl 5-methyl-1H-pyrazole-3-carboxylate

: 1418295-63-2
3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole

Guidance literature:: Multi-step reaction with 9 steps

1.1: toluene-4-sulfonic acid / dichloromethane / 16 h / 0 - 20 °C

2.1: lithium diisopropyl amide / tetrahydrofuran / 17 h / 0 - 20 °C

2.2: 0 - 20 °C

3.1: triethylamine / tetrahydrofuran / 2 h / 0 °C

4.1: N,N-dimethyl-formamide / 1 h / 20 °C

5.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 3 h / 0 - 20 °C

6.1: lithium diisopropyl amide / tetrahydrofuran; toluene; hexane / 0.5 h / -78 °C

6.2: 16 h / -78 - 20 °C

7.1: lithium hexamethyldisilazane / tetrahydrofuran / 3 h / 0 - 5 °C

8.1: hydrogenchloride / 1,4-dioxane / 16 h / 20 °C

9.1: potassium tert-butylate / tetrahydrofuran / 72 h / 0 - 20 °C

With hydrogenchloride; potassium tert-butylate; toluene-4-sulfonic acid; triethylamine; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane; lithium diisopropyl amide; In tetrahydrofuran; 1,4-dioxane; hexane; dichloromethane; N,N-dimethyl-formamide; toluene;

Reference yield:

: 1418296-88-4
ethyl 5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-3-carboxylate

: 1418295-63-2
3-{(Z)-1-fluoro-2-[4-(trifluoromethoxy)phenyl]vinyl}-5-methyl-1-(4-methylbenzyl)-1H-pyrazole

Guidance literature:: Multi-step reaction with 8 steps

1.1: lithium diisopropyl amide / tetrahydrofuran / 17 h / 0 - 20 °C

1.2: 0 - 20 °C

2.1: triethylamine / tetrahydrofuran / 2 h / 0 °C

3.1: N,N-dimethyl-formamide / 1 h / 20 °C

4.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 3 h / 0 - 20 °C

5.1: lithium diisopropyl amide / tetrahydrofuran; toluene; hexane / 0.5 h / -78 °C

5.2: 16 h / -78 - 20 °C

6.1: lithium hexamethyldisilazane / tetrahydrofuran / 3 h / 0 - 5 °C

7.1: hydrogenchloride / 1,4-dioxane / 16 h / 20 °C

8.1: potassium tert-butylate / tetrahydrofuran / 72 h / 0 - 20 °C

With hydrogenchloride; potassium tert-butylate; triethylamine; 3-chloro-benzenecarboperoxoic acid; lithium hexamethyldisilazane; lithium diisopropyl amide; In tetrahydrofuran; 1,4-dioxane; hexane; dichloromethane; N,N-dimethyl-formamide; toluene;