diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)

Base Information

Chemical Name:diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)
CAS No.:870673-43-1
Molecular Formula:C₆₀H₇₄O₆
Molecular Weight:891.244
Hs Code.:

Synonyms:diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)

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Chemical Property of diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)

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Technology Process of diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)

There total 5 articles about diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate) 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: 84.0%

: 870673-39-5
diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-hydroxybenzoate)

: 143-15-7
1-dodecylbromide

: 870673-43-1
diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)

Guidance literature:: With 18-crown-6 ether; potassium carbonate; In butanone; for 72h; Heating;
DOI:10.1039/b509917j

Reference yield:

: 870673-35-1
3-bromo-5-hydroxybenzoic acid ethyl ester

: 870673-43-1
diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)

Guidance literature:: Multi-step reaction with 4 steps

1: 85 percent / Ph₃P; CuI; Et₃N / Pd(OAc)2 / Heating

2: 95 percent / aq. KF / dimethylsulfoxide / 5 h / 20 °C

3: 70 percent / PPh₃; CuI; Et₃N / Pd(OAc)2 / toluene / 7 h / Heating

4: 84 percent / K₂CO₃; 18-crown-6 / butan-2-one / 72 h / Heating

With potassium fluoride; copper(l) iodide; 18-crown-6 ether; potassium carbonate; triethylamine; triphenylphosphine; palladium diacetate; In dimethyl sulfoxide; toluene; butanone;
DOI:10.1039/b509917j

Reference yield:

: 870673-37-3
ethyl 3-ethynyl-5-hydroxybenzoate

: 870673-43-1
diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-dodecyloxybenzoate)

Guidance literature:: Multi-step reaction with 2 steps

1: 70 percent / PPh₃; CuI; Et₃N / Pd(OAc)2 / toluene / 7 h / Heating

2: 84 percent / K₂CO₃; 18-crown-6 / butan-2-one / 72 h / Heating

With copper(l) iodide; 18-crown-6 ether; potassium carbonate; triethylamine; triphenylphosphine; palladium diacetate; In toluene; butanone;
DOI:10.1039/b509917j