4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine

Base Information

Chemical Name:4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine
CAS No.:1450722-42-5
Molecular Formula:C₅₆H₃₆N₂O₂
Molecular Weight:768.914
Hs Code.:

Synonyms:4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine

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Chemical Property of 4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine

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Technology Process of 4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine

There total 3 articles about 4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine 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: 72.0%

: 1450722-32-3
4-[(4-ethynyl-benzylidene)]-2,6-diphenyl-4H-pyran

: 19646-06-1
4,6-diiodopyrimidine

: 1450722-42-5
4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In tetrahydrofuran; at 20 ℃; Inert atmosphere;
DOI:10.1016/j.tet.2013.07.066

Reference yield:

: 1450722-31-2
[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-trimethyl-silane

: 1450722-42-5
4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine

Guidance literature:: Multi-step reaction with 2 steps

1: potassium carbonate / dichloromethane; methanol / 20 °C

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / tetrahydrofuran / 20 °C / Inert atmosphere

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; potassium carbonate; triethylamine; In tetrahydrofuran; methanol; dichloromethane; 2: |Sonogashira Cross-Coupling;
DOI:10.1016/j.tet.2013.07.066

Reference yield:

: 2,6-diphenyl-4H-pyran-4-yl triphenylphosphonium tetrafluoroborate salt

: 1450722-42-5
4,6-bis-[4-(2,6-diphenyl-pyran-4-ylidenemethyl)-phenylethynyl]-pyrimidine

Guidance literature:: Multi-step reaction with 3 steps

1.1: n-butyllithium / tetrahydrofuran; pentane / 0.25 h / -78 °C / Inert atmosphere

1.2: -78 - 20 °C / Inert atmosphere

2.1: potassium carbonate / dichloromethane; methanol / 20 °C

3.1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / tetrahydrofuran / 20 °C / Inert atmosphere

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; n-butyllithium; potassium carbonate; triethylamine; In tetrahydrofuran; methanol; dichloromethane; pentane; 3.1: |Sonogashira Cross-Coupling;
DOI:10.1016/j.tet.2013.07.066