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

Base Information

Chemical Name:diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-hydroxybenzoate)
CAS No.:870673-39-5
Molecular Formula:C₃₆H₂₆O₆
Molecular Weight:554.599
Hs Code.:

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

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

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

There total 5 articles about diethyl 5,5'-[tolan-4,4'-diyl-bis(ethyne-2,1-diyl)]bis(3-hydroxybenzoate) 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: 70.0%

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

: 2789-89-1
1,2-bis(4-bromophenyl)acetylene

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

Guidance literature:: With copper(l) iodide; triethylamine; triphenylphosphine; palladium diacetate; In toluene; for 7h; Heating;
DOI:10.1039/b509917j

Reference yield:

: 140472-69-1
3-bromo-5-hydroxy-benzoic acid

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

Guidance literature:: Multi-step reaction with 4 steps

1: 90 percent / H₂SO₄ / 5 h / Heating

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

3: 95 percent / aq. KF / dimethylsulfoxide / 5 h / 20 °C

4: 70 percent / PPh₃; CuI; Et₃N / Pd(OAc)2 / toluene / 7 h / Heating

With potassium fluoride; copper(l) iodide; sulfuric acid; triethylamine; triphenylphosphine; palladium diacetate; In dimethyl sulfoxide; toluene;
DOI:10.1039/b509917j

Reference yield:

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

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

Guidance literature:: Multi-step reaction with 3 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

With potassium fluoride; copper(l) iodide; triethylamine; triphenylphosphine; palladium diacetate; In dimethyl sulfoxide; toluene;
DOI:10.1039/b509917j