tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]

Base Information

Chemical Name:tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]
CAS No.:1389898-17-2
Molecular Formula:C₃₂H₃₄O₁₂
Molecular Weight:610.615
Hs Code.:

Synonyms:tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]

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Chemical Property of tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]

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Technology Process of tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]

There total 5 articles about tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-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: 42.0%

: 13811-71-7
diethyl (2S,3S)-tartrate

: 1389898-20-7
4,4'-ethynylenedibenzaldehyde bis(diethylacetal)

: 1389898-17-2
tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]

Guidance literature:: With pyridinium p-toluenesulfonate; In toluene;
DOI:10.1016/j.tet.2015.07.061

Reference yield: 40.0%

: 87-91-2
diethyl (2R,3R)-tartrate

: 1389898-20-7
4,4'-ethynylenedibenzaldehyde bis(diethylacetal)

: 1389898-17-2
tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]

Guidance literature:: With pyridinium p-toluenesulfonate; In toluene;
DOI:10.1007/s11224-011-9934-5

Reference yield:

: C₁₆H₂₂O₃

: 1389898-17-2
tetraethyl 2,2'-(ethynylene-dibenzene-4,1-diyl)bis[(4R,5R)-1,3-dioxolane-4,5-dicarboxylate]

Guidance literature:: Multi-step reaction with 3 steps

1: sodium hydride / toluene; paraffin oil / 16 h / Reflux

2: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine / 9 h / 110 °C / Inert atmosphere

3: pyridinium p-toluenesulfonate / toluene

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; pyridinium p-toluenesulfonate; sodium hydride; triethylamine; triphenylphosphine; In toluene; paraffin oil;
DOI:10.1007/s11224-011-9934-5