tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate

Base Information

Chemical Name:tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate
CAS No.:1334890-90-2
Molecular Formula:C₃₂H₂₈N₂O₈
Molecular Weight:568.583
Hs Code.:

Synonyms:tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate

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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 tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate

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Technology Process of tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate

There total 2 articles about tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate 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: 75.0%

: 945490-53-9
diethyl 4-(trifluoromethylsulfonyloxy)pyridine-2,6-dicarboxylate

: 1785-61-1
1,3-diethynylbenzene

: 1334890-90-2
tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In tetrahydrofuran; at 40 ℃; Inert atmosphere;
DOI:10.1002/ejoc.201100570

Reference yield:

: 68631-52-7
4-hydroxypyridine-2,6-dicarboxylic acid diethylester

: 1334890-90-2
tetraethyl 4,4'-[1,3-phenylenebis(ethyne-2,1-diyl)]dipyridine-2,6-dicarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: pyridine / dichloromethane / 2 h / -78 °C / Inert atmosphere

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / tetrahydrofuran / 40 °C / Inert atmosphere

With pyridine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1002/ejoc.201100570