(1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt

Base Information

• Chemical Name: (1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt
• CAS No.: 464926-68-9
• Molecular Formula: C₄₁H₄₅CoO₄
• Molecular Weight: 660.799
• Mol file: 464926-68-9.mol

Synonyms:(1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt

Chemical Property of (1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt

There total 1 articles about (1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt 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: 80.0%

(1,3-bis[1,3-dioxan-2-yl]-2,4-diethynylcyclobutadiene)cyclopentadienylcobalt (406498-68-8) + 1-tert-butyl-4-iodobenzene (35779-04-5) → (1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt (464926-68-9)

Guidance literature:

With Cl₂Pd(PPh₃)2; CuI; In further solvent(s); Schlenk techniques; Co complex dissolved in dry piperidine; Pd complex (0.02 equiv.), CuI (0.04 equiv.) and Me3CC6H4I (3 equiv.) added; stirred at ambient temp. for 24 h; quenched with water; extd. with ethyl ether; combined org. layers dried (MgSO4); solvent removed in vac.; column chromd. (SiO2; CH2Cl2-hexanes +10% NEt3);

DOI:10.1016/S0022-328X(02)01304-9

Reference yield: 54.0%

(1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt (464926-68-9) + diethyl (1-diazo-2-oxopropyl)phosphonate (21047-57-4) → (1,3-bis[4-tert-butylphenylethynyl]-2,4-diethynylcyclobutadiene)cyclopentadienylcobalt (464926-58-7)

Guidance literature:

With 4-CH₃(C₆H₄)SO₃H;

DOI:10.1039/b109848a

Reference yield: 27.0%

(1,3-bis[1,3-dioxan-2-yl]-2,4-bis[4-tert-butylphenylethynyl]cyclobutadiene)cyclopentadienylcobalt (464926-68-9) + dimethyl 1-(1-diazo-2-oxopropyl)phosphonate (90965-06-3) → (1,3-bis[4-tert-butylphenylethynyl]-2,4-diethynylcyclobutadiene)cyclopentadienylcobalt (464926-58-7)

Guidance literature:

With p-toluenesulfonic acid; K₂CO₃; H₂O; In methanol; p-toluenesulfonic acid, H2O and THF added successively to Co complex; stirred (ambient temp., 12 h, exclusion of light); aq. workup; solvent removed in vac.; dissolved in MeOH; phosphonate and K2CO3 added successively at 0°C; stirred (24 h); warmed to ambient temp.; partitioned (satd. aq. NaHCO3-CH2Cl2); chromd. (SiO2, hexanes + 10% NEt3);

DOI:10.1016/S0022-328X(02)01304-9

upstream raw materials:

(1,3-bis[1,3-dioxan-2-yl]-2,4-diethynylcyclobutadiene)cyclopentadienylcobalt

1-tert-butyl-4-iodobenzene

Downstream raw materials:

(1,3-bis[4-tert-butylphenylethynyl]-2,4-diethynylcyclobutadiene)cyclopentadienylcobalt