C₂₀H₂₁N₃O₃

Base Information

Chemical Name:C₂₀H₂₁N₃O₃
CAS No.:1246520-91-1
Molecular Formula:C₂₀H₂₁N₃O₃
Molecular Weight:351.405
Hs Code.:

C<sub>20</sub>H<sub>21</sub>N<sub>3</sub>O<sub>3</sub>

Synonyms:C₂₀H₂₁N₃O₃

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Chemical Property of C₂₀H₂₁N₃O₃

Chemical Property:

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Technology Process of C₂₀H₂₁N₃O₃

There total 5 articles about C₂₀H₂₁N₃O₃ 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:

: 867-13-0
diethoxyphosphoryl-acetic acid ethyl ester

: 1137734-85-0
1-[1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]ethanone

: 1246520-91-1
C₂₀H₂₁N₃O₃

Guidance literature:: diethoxyphosphoryl-acetic acid ethyl ester; With sodium hydride; In 1,4-dioxane; at 20 ℃; for 1.25h;

1-[1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]ethanone; In 1,4-dioxane; at 55 - 58 ℃;

Reference yield:

: 117007-52-0
3-iodo-1H-pyrazolo[3,4-b]pyridine

: 1246520-91-1
C₂₀H₂₁N₃O₃

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium hydride / N,N-dimethyl-formamide / 3 h / Cooling with ice

1.2: 1 h / 20 °C / Cooling with ice

2.1: bis-triphenylphosphine-palladium(II) chloride / 1,4-dioxane / 21 h / Reflux; Inert atmosphere

2.2: 1 h / 20 °C

3.1: sodium hydride / 1,4-dioxane / 1.25 h / 20 °C

3.2: 55 - 58 °C

With sodium hydride; bis-triphenylphosphine-palladium(II) chloride; In 1,4-dioxane; N,N-dimethyl-formamide;

Reference yield:

: 36404-88-3
2-chloro-3-carbaldehydepyridine

: 1246520-91-1
C₂₀H₂₁N₃O₃

Guidance literature:: Multi-step reaction with 5 steps

1.1: toluene-4-sulfonic acid; hydrazine hydrate / 21 h / 120 °C / Cooling with ice

2.1: potassium hydroxide; iodine / N,N-dimethyl-formamide / 1 h / 20 °C / Cooling with ice

3.1: sodium hydride / N,N-dimethyl-formamide / 3 h / Cooling with ice

3.2: 1 h / 20 °C / Cooling with ice

4.1: bis-triphenylphosphine-palladium(II) chloride / 1,4-dioxane / 21 h / Reflux; Inert atmosphere

4.2: 1 h / 20 °C

5.1: sodium hydride / 1,4-dioxane / 1.25 h / 20 °C

5.2: 55 - 58 °C

With iodine; sodium hydride; toluene-4-sulfonic acid; hydrazine hydrate; potassium hydroxide; bis-triphenylphosphine-palladium(II) chloride; In 1,4-dioxane; N,N-dimethyl-formamide;