3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile

Base Information

Chemical Name:3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile
CAS No.:1254977-54-2
Molecular Formula:C₂₀H₂₁N₅
Molecular Weight:331.42
Hs Code.:

Synonyms:3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile

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Technology Process of 3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile

There total 3 articles about 3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile 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: 74.0%

: 1254981-12-8
[3-cyano-4-(4-phenylpiperidin-1-yl)pyridin-2-yl]hydrazine

: 115-80-0
Triethyl orthopropionate

: 1254977-54-2
3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile

Guidance literature:: In xylene; at 180 ℃; for 2h; Sealed tube;

Reference yield:

: 1152617-14-5
2,4-dibromopyridine-3-carbonitrile

: 1254977-54-2
3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile

Guidance literature:: Multi-step reaction with 3 steps

1: sodium hydride / mineral oil; N,N-dimethyl-formamide / 1 h / 0 - 20 °C

2: hydrazine hydrate / tetrahydrofuran / 0.25 h / 20 - 160 °C

3: 5,5-dimethyl-1,3-cyclohexadiene / 2 h / 180 °C / Sealed tube

With sodium hydride; hydrazine hydrate; In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; N,N-dimethyl-formamide; mineral oil;
DOI:10.1021/jm3010724

Reference yield:

: 1254981-11-7
2-bromo-3-cyano-4-(4-phenylpiperidin-1-yl)pyridine

: 1254977-54-2
3-ethyl-7-(4-phenyl-1-piperidinyl)-1,2,4-triazolo[4,3-a]pyridine-8-carbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / tetrahydrofuran / 0.25 h / 20 - 160 °C

2: 5,5-dimethyl-1,3-cyclohexadiene / 2 h / 180 °C / Sealed tube

With hydrazine hydrate; In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene;
DOI:10.1021/jm3010724