C₂₁H₂₀N₄O

Base Information

Chemical Name:C₂₁H₂₀N₄O
CAS No.:960075-74-5
Molecular Formula:C₂₁H₂₀N₄O
Molecular Weight:344.416
Hs Code.:

C<sub>21</sub>H<sub>20</sub>N<sub>4</sub>O

Synonyms:

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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 C₂₁H₂₀N₄O

Chemical Property:

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Technology Process of C₂₁H₂₀N₄O

There total 9 articles about C₂₁H₂₀N₄O 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: 39.0%

: 917471-30-8
5-(prop-1-ynyl)pyridin-3-ylboronic acid

: 1049639-30-6
C₁₃H₁₄BrN₃O

: 960075-74-5
C₂₁H₂₀N₄O

Guidance literature:: With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium carbonate; In 1,4-dioxane; water; at 65 ℃;
DOI:10.1016/j.bmcl.2012.02.013

Reference yield:

: 693774-26-4
(3-bromophenyl)(cyclopropyl)methanone

: 960075-74-5
C₂₁H₂₀N₄O

Guidance literature:: Multi-step reaction with 7 steps

1: potassium cyanide / 120 °C

2: water; potassium hydroxide / 24 h / 185 °C

4: sodium hydrogencarbonate / dichloromethane; water

5: N-ethyl-N,N-diisopropylamine / 70 °C

6: tert.-butylhydroperoxide; ammonium hydroxide

7: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium carbonate / 1,4-dioxane; water / 65 °C

With tert.-butylhydroperoxide; potassium cyanide; ammonium hydroxide; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; water; sodium hydrogencarbonate; potassium carbonate; N-ethyl-N,N-diisopropylamine; potassium hydroxide; In 1,4-dioxane; dichloromethane; water; 1: Bucherer-Bergs reaction / 7: Suzuki coupling;
DOI:10.1016/j.bmcl.2012.02.013

Reference yield:

: 625-92-3
3,5-dibromopyridine

: 960075-74-5
C₂₁H₂₀N₄O

Guidance literature:: Multi-step reaction with 3 steps

1: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; tetrabutyl ammonium fluoride; triethylamine / toluene / 20 °C

2: n-butyllithium; Triisopropyl borate; ammonium carbonate / tetrahydrofuran; water; toluene / -40 - -10 °C

3: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium carbonate / 1,4-dioxane; water / 65 °C

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; Triisopropyl borate; tetrabutyl ammonium fluoride; ammonium carbonate; potassium carbonate; triethylamine; In tetrahydrofuran; 1,4-dioxane; water; toluene; 3: Suzuki coupling;
DOI:10.1016/j.bmcl.2012.02.013