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

Base Information

• Chemical Name: 2,3,4,5-tetraethyl-1-iodo-6-(p-tolylethynyl)-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾
• CAS No.: 770742-89-7
• Molecular Formula: C₂₁H₂₇B₂I
• Molecular Weight: 427.972

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

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

Chemical Property:

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

There total 1 articles about 2,3,4,5-tetraethyl-1-iodo-6-(p-tolylethynyl)-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: 96.0%

2,3,4,5-tetraethyl-1,6-diiodo-2,3,4,5-tetracarba-nido-hexaborane(6) (172166-33-5) + 4-n-methylphenylacetylene (766-97-2) → 2,3,4,5-tetraethyl-1-iodo-6-(p-tolylethynyl)-2,3,4,5-tetracarba-nido-hexaborane(6) (770742-89-7)

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: 67.0%

1,7-Octadiyne (871-84-1) + 2,3,4,5-tetraethyl-1-iodo-6-(p-tolylethynyl)-2,3,4,5-tetracarba-nido-hexaborane(6) (770742-89-7) + zinc(II) chloride (7646-85-7,24359-56-6) → ZnI2(P(C6H5)3O)2 (14638-39-2) + [C4B2(C2H5)4(CCC6H4CH3)]C2(CH2)4C2[C4B2(C2H5)4(CCC6H4CH3)] (870262-05-8)

Guidance literature:

With n-C₄H₉Li; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexane; under Ar or N2 atm. using Schlenk techniques; n-BuLi in hexane added to soln. of 1,7-octadiyne in THF at -60°C; mixt. stirred for 2 h; suspn. of ZnCl2 added; mixt. stirred for 2 h; added to mixt. of carborane and Pd(PPh3)4 in THF; heated at ...; solvent removed; residue extd. (hexane); filtered; filtrate dried (vac.); on standing at room temp. a few crystals of ZnI2(OPPh3)2 were obtained;

DOI:10.1016/j.jorganchem.2005.05.037

upstream raw materials:

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

4-n-methylphenylacetylene

Downstream raw materials:

ZnI₂(P(C₆H₅)3O)2

[C₄B₂(C₂H₅)4(CCC₆H₄CH₃)]C₂(CH₂)4C₂[C₄B₂(C₂H₅)4(CCC₆H₄CH₃)]

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