2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

Base Information

• Chemical Name: 2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾
• CAS No.: 770742-85-3
• Molecular Formula: C₂₀H₂₅B₂I
• Molecular Weight: 413.945

Synonyms:2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

Chemical Property of 2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

Chemical Property:

Purity/Quality:

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Technology Process of 2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

There total 3 articles about 2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾ 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: 88.0%

2,3,4,5-tetraethyl-1,6-diiodo-2,3,4,5-tetracarba-nido-hexaborane(6) (172166-33-5) + phenylacetylene (536-74-3) → 2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane(6) (770742-85-3)

Guidance literature:

With n-BuLi; In hexane; (inert atm.), n-BuLi added at -50°C to ligand in hexane, stirred for 30 min, warmed to room temp., cooled to -60°C, added to borane in hexane, warmed to room temp., stirred for 2 d; filtered (G4 frit), dried (vac.), elem. anal.;

DOI:10.1002/ejic.200300938

Reference yield: 49.0%

2,3,4,5-tetraethyl-1-iodo-6-(diphenylphosphanyl)-2,3,4,5-tetracarba-nido-hexaborane(6) (770742-90-0) + lithium phenylacetylide (4440-01-1) → 2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane(6) (770742-85-3)

Guidance literature:

lithium phenylacetylide; With zinc(II) chloride; In tetrahydrofuran; at 20 ℃; for 3h;

2,3,4,5-tetraethyl-1-iodo-6-(diphenylphosphanyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; for 240h; Heating;

DOI:10.1002/ejic.200500787

Reference yield: 49.0%

2,3,4,5-tetraethyl-1-iodo-6-(diphenylphosphanyl)-2,3,4,5-tetracarba-nido-hexaborane(6) (770742-90-0) + lithium phenylacetylide (4440-01-1) → 2,3,4,5-tetraethyl-1-iodo-6-(phenylethynyl)-2,3,4,5-tetracarba-nido-hexaborane(6) (770742-85-3) + 2,3,4,5-tetraethyl-1-phenylethynyl-6-diphenylphosphanyl-2,3,4,5-tetracarba-nido-hexaborane(6)

Guidance literature:

With ZnCl₂; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N2, to a soln. of acetylide added at room temp. ZnCl2, stirred for 2 h, a soln. added to a mixt. of B and Pd compds., refluxed for 10 d; solvent removed (high vac.), extd. (hexane), filtered, evapd. to dryness(vac.); NMR;

DOI:10.1002/ejic.200500787

upstream raw materials:

2,3,4,5-tetraethyl-1-iodo-6-(diphenylphosphanyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

lithium phenylacetylide

2,3,4,5-tetraethyl-1,6-diiodo-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

phenylacetylene

Downstream raw materials:

2,3,4,5-tetraethyl-6-(phenylethynyl)-1-(trimethylsilylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

3-carboranyl-4-phenyl-1,2-bis(tricarbonylcobalta)tetrahedrane

1-bromo-6-phenylethynyl-2,3,4,5-tetraethyl-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

1,6-bis(phenylethynyl)-2,3,4,5-tetraethyl-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾

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