ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate

Base Information

• Chemical Name: ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate
• CAS No.: 1449700-22-4
• Molecular Formula: C₁₇H₁₈BrClN₂O₃
• Molecular Weight: 413.699
• Mol file: 1449700-22-4.mol

Synonyms:ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate

Chemical Property of ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate

There total 2 articles about ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-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:

1-(tetrahydro-2H-pyran-4-yl)hydrazine hydrochloride + ISOPROPYLAMIDE (563-83-7) + N,N-dimethyl-formamide (68-12-2,33513-42-7) + ethyl 3-(4-bromo-2-chlorophenyl)-3-oxo-propionate (131994-22-4) → ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate (1449700-22-4)

Guidance literature:

ISOPROPYLAMIDE; N,N-dimethyl-formamide; ethyl 3-(4-bromo-2-chlorophenyl)-3-oxo-propionate; at 10 - 35 ℃; for 1h;

1-(tetrahydro-2H-pyran-4-yl)hydrazine hydrochloride; In ethanol; at 10 - 35 ℃; for 17h; Reflux;

Reference yield:

4-Bromo-2-chloro-benzoic Acid (59748-90-2) → ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate (1449700-22-4)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 1,1'-carbonyldiimidazole / dichloromethane / 4 h / 10 - 35 °C

1.2: 28 h / 0 - 50 °C / Inert atmosphere

1.3: 1 h / 0 - 35 °C

2.1: 1 h / 10 - 35 °C

2.2: 17 h / 10 - 35 °C / Reflux

With 1,1'-carbonyldiimidazole; In dichloromethane;

Reference yield:

ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate (1449700-22-4) → C15H14BrClN2O3

Guidance literature:

ethyl 5-(4-bromo-2-chlorophenyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylate; With water; sodium hydroxide; In ethanol; at 50 ℃; for 2.5h;

With hydrogenchloride; In chloroform; water;

upstream raw materials:

4-Bromo-2-chloro-benzoic Acid

ISOPROPYLAMIDE

N,N-dimethyl-formamide

ethyl 3-(4-bromo-2-chlorophenyl)-3-oxo-propionate

Downstream raw materials:

5-(4-bromo-2-chlorophenyl)-N-(2,4-dimethoxybenzyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxamide

7-bromo-5-(2,4-dimethoxybenzyl)-1-(tetrahydro-2H-pyran-4-yl)-1H-dihydropyrazolo[4,3-e]quinolin-4(5H)-one

[5-(2,4-dimethoxybenzyl)-4-oxo-1-(tetrahydro-2H-pyran-4-yl)-4,5-dihydro-1H-pyrazolo[4,3-c]quinolin-7-yl]boronic acid

5-(2,4-dimethoxybenzyl)-1-(tetrahydro-2H-pyran-4-yl)-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazolo[4,3-c]quinolin-4(5H)-one