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

Base Information

• Chemical Name: 6-butyl-2,3,4,5-tetraethyl-1-phenylethynyl-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾
• CAS No.: 910555-67-8
• Molecular Formula: C₂₄H₃₄B₂
• Molecular Weight: 344.156

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

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

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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

There total 3 articles about 6-butyl-2,3,4,5-tetraethyl-1-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: 63.0%

6-butyl-2,3,4,5-tetraethyl-1-iodo-2,3,4,5-tetracarba-nido-hexaborane(6) + lithium phenylacetylide (4440-01-1) → 6-butyl-2,3,4,5-tetraethyl-1-phenylethynyl-2,3,4,5-tetracarba-nido-hexaborane(6) (910555-67-8)

Guidance literature:

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

6-butyl-2,3,4,5-tetraethyl-1-iodo-2,3,4,5-tetracarba-nido-hexaborane⁽⁶⁾; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; for 144h; Heating;

DOI:10.1002/ejic.200500787

Reference yield: 63.0%

6-butyl-2,3,4,5-tetraethyl-1-iodo-2,3,4,5-tetracarba-nido-hexaborane(6) + lithium phenylacetylide (4440-01-1) → 6-butyl-2,3,4,5-tetraethyl-1-phenylethynyl-2,3,4,5-tetracarba-nido-hexaborane(6) (910555-67-8)

Guidance literature:

With ZnCl₂; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N2, to a soln. of acetylide added at room temp. ZnCl2, stirred for 3 h, a soln. added to a mixt. of B and Pd compds., refluxed for 6 d; solvent removed, extd. (hexane), filtered, evapd. to dryness (vac.);

DOI:10.1002/ejic.200500787

Reference yield:

2,3,4,5-tetraethyl-1,6-diiodo-2,3,4,5-tetracarba-nido-hexaborane(6) (172166-33-5) → 6-butyl-2,3,4,5-tetraethyl-1-phenylethynyl-2,3,4,5-tetracarba-nido-hexaborane(6) (910555-67-8)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 90 percent / n-BuLi / hexane / 20 h / 20 °C

2.1: ZnCl₂ / tetrahydrofuran / 3 h / 20 °C

2.2: 63 percent / Pd(PPh₃)4 / tetrahydrofuran / 144 h / Heating

With n-butyllithium; zinc(II) chloride; In tetrahydrofuran; hexane;

DOI:10.1002/ejic.200500787

upstream raw materials:

lithium phenylacetylide

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

Downstream raw materials:

(eta.5-cyclopentadienyl)(η4-2,5-bis[2,3,4,5-tetraethyl-6-butyl-2,3,4,5-tetracarba-nido-hexaboranyl]-3,4-diphenylcyclopentadienone)cobalt(I)

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