(E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene

Base Information

Chemical Name:(E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene
CAS No.:760200-30-4
Molecular Formula:C₄₈H₆₄P₂S₂
Molecular Weight:767.116
Hs Code.:

Synonyms:(E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene

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Chemical Property of (E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene

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Technology Process of (E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene

There total 5 articles about (E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene 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: 100.0%

: 760200-32-6
(3-thienylethenylidene)(2,4,6-tri-t-butylphenyl)phosphine

: 760200-30-4
(E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene

Guidance literature:: (3-thienylethenylidene)(2,4,6-tri-t-butylphenyl)phosphine; With tert.-butyl lithium; In pentane; at -78 ℃; for 0.0833333h;

With ethylene dibromide; In pentane; at -78 - 20 ℃; for 1.16667h;
DOI:10.1246/bcsj.77.1377

Reference yield: 63.0%

: 760200-31-5
(3-thienylethynyl)(2,4,6-tri-t-butylphenyl)phosphine

: 760200-32-6
(3-thienylethenylidene)(2,4,6-tri-t-butylphenyl)phosphine

: 760200-30-4
(E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene

Guidance literature:: (3-thienylethynyl)(2,4,6-tri-t-butylphenyl)phosphine; With tert.-butyl lithium; In pentane; at -78 ℃; for 0.166667h;

With ethylene dibromide; In pentane; at -78 - 20 ℃; for 2.16667h;
DOI:10.1246/bcsj.77.1377

Reference yield:

: 83115-12-2
(2,4,6-tri-tert-butylphenyl)phosphine

: 760200-30-4
(E,E)-1,2-di(3-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobutene

Guidance literature:: Multi-step reaction with 4 steps

1.1: 2,2'-azobisisobutyronitrile; carbon tetrachloride / 4 h / Heating

2.1: ethylmagnesium bromide / hexane; tetrahydrofuran / 0.5 h / 0 - 20 °C

2.2: 82 percent / hexane; tetrahydrofuran / 2.17 h / 0 - 20 °C

3.1: t-butyllithium / pentane / 0.17 h / -78 °C

3.2: 1,2-dibromoethane / pentane / 2.17 h / -78 - 20 °C

4.1: t-butyllithium / pentane / 0.08 h / -78 °C

4.2: 100 percent / 1,2-dibromoethane / pentane / 1.17 h / -78 - 20 °C

With tetrachloromethane; 2,2'-azobis(isobutyronitrile); ethylmagnesium bromide; tert.-butyl lithium; In tetrahydrofuran; hexane; pentane;
DOI:10.1246/bcsj.77.1377