[Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne

Base Information

Chemical Name:[Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne
CAS No.:313703-87-6
Molecular Formula:C₅₃H₈₀P₂Si
Molecular Weight:807.251
Hs Code.:

Synonyms:[Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne

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Chemical Property of [Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne

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Technology Process of [Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne

There total 9 articles about [Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne 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: 39.0%

: 313703-68-3
Bis{(2,4,6-tert-butylphenyl)[(triisopropylsilyl)ethynyl]phosphanyl}butadiyne

: 313703-74-1
Bis[ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]butadiyne

: 313703-87-6
[Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne

Guidance literature:: With tetrabutyl ammonium fluoride; In tetrahydrofuran; at -78 ℃; for 1h;
DOI:10.1002/1521-3765(20001016)6:20<3806::AID-CHEM3806>3.0.CO;2-J

Reference yield: 27.0%

: 169697-84-1
Diethynyl(2,4,6-tri-tert-butylphenyl)phosphane

: 313703-83-2
1-(Bromoethynyl)(2,4,6-tri-tert-butylphenyl)[(triisopropylsilyl)ethynyl]phosphane

: 313703-87-6
[Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne

: 313703-68-3
Bis{(2,4,6-tert-butylphenyl)[(triisopropylsilyl)ethynyl]phosphanyl}butadiyne

: 313703-70-7
(2,4,6-Tri-tert-butylphenyl)bis({(2,4,6-tri-tert-butylphenyl)[(triisopropylsilyl)ethynyl]phosphanyl}butdiynyl)phosphane

Guidance literature:: Diethynyl(2,4,6-tri-tert-butylphenyl)phosphane; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h;

With copper(l) chloride; In tetrahydrofuran; hexane; at 0 - 20 ℃; for 0.833333h;

1-(Bromoethynyl)(2,4,6-tri-tert-butylphenyl)[(triisopropylsilyl)ethynyl]phosphane; With pyridine; In tetrahydrofuran; at 20 ℃; for 12h;
DOI:10.1002/1521-3765(20001016)6:20<3806::AID-CHEM3806>3.0.CO;2-J

Reference yield:

: 79074-00-3
2,4,6-tri-t-butylphenylphosphonous dichloride

: 313703-87-6
[Ethynyl(2,4,6-tri-tert-butylphenyl)phosphanyl]{2,4,6-tri-tert-butylphenyl[(triisopropylsilyl)ethynyl]phosphanyl}butdiyne

Guidance literature:: Multi-step reaction with 5 steps

1.1: BuLi / diethyl ether / 0.5 h / -50 °C

1.2: 72 percent / diethyl ether / 12 h / -78 - 20 °C

2.1: 71 percent / aq. NaOH / methanol; diethyl ether / 1 h

3.1: BuLi / tetrahydrofuran; hexane / 1 h / -78 °C

3.2: 25 percent / tetrahydrofuran; hexane / 3 h / 20 °C

4.1: BuLi / tetrahydrofuran; hexane / 0.33 h / -78 °C

4.2: 75 percent / p-tosyl bromide / tetrahydrofuran / 2 h / 20 °C

5.1: BuLi / tetrahydrofuran; hexane / 0.5 h / -78 °C

5.2: CuCl / tetrahydrofuran; hexane / 0.83 h / 0 - 20 °C

5.3: 2 percent / pyridine / tetrahydrofuran / 12 h / 20 °C

With sodium hydroxide; n-butyllithium; In tetrahydrofuran; methanol; diethyl ether; hexane; 1.1: Metallation / 1.2: Substitution / 2.1: Hydrolysis / 3.1: Metallation / 3.2: Substitution / 4.1: Metallation / 4.2: Substitution / 5.1: Metallation / 5.2: Transmetallation / 5.3: Cadiot-Chodkiewicz coupling;
DOI:10.1002/1521-3765(20001016)6:20<3806::AID-CHEM3806>3.0.CO;2-J