ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

Base Information

Chemical Name:ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate
CAS No.:1363144-48-2
Molecular Formula:C₂₆H₂₄F₂N₄O₄
Molecular Weight:494.498
Hs Code.:

Synonyms:ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

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Chemical Property of ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

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Technology Process of ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

There total 11 articles about ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-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: 68.0%

: 1262190-47-5
3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)benzohydrazide

: 1363144-43-7
ethyl 3-(3,4-difluorophenyl)-2-thioxopiperidine-3-carboxylate

: 1363144-48-2
ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

Guidance literature:: ethyl 3-(3,4-difluorophenyl)-2-thioxopiperidine-3-carboxylate; With methyl iodide; In acetonitrile; at 50 ℃; for 4h;

3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)benzohydrazide; In acetonitrile; at 90 ℃;
DOI:10.1016/j.bmc.2016.05.040

Reference yield:

: 1262190-47-5
3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)benzohydrazide

: 1363144-43-7
ethyl 3-(3,4-difluorophenyl)-2-thioxopiperidine-3-carboxylate

: 74-88-4
methyl iodide

: 1363144-48-2
ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

Guidance literature:: ethyl 3-(3,4-difluorophenyl)-2-thioxopiperidine-3-carboxylate; methyl iodide; In acetonitrile; at 20 - 50 ℃;

3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)benzohydrazide; In acetonitrile; at 20 - 90 ℃;

Reference yield:

: 131505-78-7
diethyl (3,4-difluorophenyl)propanedioate

: 1363144-48-2
ethyl 8-(3,4-difluorophenyl)-3-[3-methoxy-4-(2-methyl-1,3-oxazol-5-yl)phenyl]-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium ethanolate / tert-butyl alcohol / 0.5 h / 20 - 40 °C / Inert atmosphere

1.2: 20 °C

2.1: hydrogen; ammonia / Raney cobalt / ethanol / 72 h / 20 °C

3.1: Lawessons reagent / toluene / 4 h / 20 - 110 °C

4.1: acetonitrile / 20 - 50 °C

4.2: 20 - 90 °C

With Lawessons reagent; ammonia; hydrogen; sodium ethanolate; Raney cobalt; In ethanol; toluene; acetonitrile; tert-butyl alcohol;