ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate

Base Information

Chemical Name:ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate
CAS No.:1333222-65-3
Molecular Formula:C₂₁H₂₁N₃O₂
Molecular Weight:347.417
Hs Code.:

Synonyms:ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate

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Chemical Property of ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate

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Technology Process of ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate

There total 3 articles about ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate 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: 50.0%

: 500-22-1
3-pyridinecarboxaldehyde

: 1333222-81-3
ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(triphenylphosphoranylidene)butanoate

: 1333222-65-3
ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate

Guidance literature:: In tetrahydrofuran; at 80 ℃;
DOI:10.1021/ol202207f

Reference yield:

: 10199-68-5
4-phenyl-1H-pyrazole

: 1333222-65-3
ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 - 20 °C

1.2: 2 h / 80 °C

2.1: tetrahydrofuran / 80 °C

With sodium hydride; In tetrahydrofuran; 2.1: Wittig reaction;
DOI:10.1021/ol202207f

Reference yield:

: (1-ethoxycarbonylcyclopropyl)triphenylphosphonium tetrafluoroborate

: 1333222-65-3
ethyl 4-(4-phenyl-1H-pyrazol-1-yl)-2-(E)-(pyridin-3-ylmethylidene)butanoate

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 - 20 °C

1.2: 2 h / 80 °C

2.1: tetrahydrofuran / 80 °C

With sodium hydride; In tetrahydrofuran; 2.1: Wittig reaction;
DOI:10.1021/ol202207f