Nb(OTf)2(N[neopentyl]-3,5-Me₂C₆H₃)3

Base Information

• Chemical Name: Nb(OTf)2(N[neopentyl]-3,5-Me₂C₆H₃)3
• CAS No.: 801222-54-8
• Molecular Formula: C₄₁H₆₀F₆N₃NbO₆S₂
• Molecular Weight: 961.973
• Mol file: 801222-54-8.mol

Synonyms:Nb(OTf)2(N[neopentyl]-3,5-Me₂C₆H₃)3

Chemical Property of Nb(OTf)2(N[neopentyl]-3,5-Me₂C₆H₃)3

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Nb(OTf)2(N[neopentyl]-3,5-Me₂C₆H₃)3

There total 2 articles about Nb(OTf)2(N[neopentyl]-3,5-Me₂C₆H₃)3 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: 90.0%

[ONb(N(CH2(tert-butyl))(3,5-(methyl)2C6H3))3] + trifluoromethylsulfonic anhydride (358-23-6) → (bistriflate)(niobium)NCH2tBuC6H3(CH3)2 (801222-54-8)

Guidance literature:

In diethyl ether; filtration;

DOI:10.1021/ja0461522

Reference yield: 66.0%

[(3,5-Me3C6H3(i-Pr)N)3WN] + Na[PNb(N[neopentyl]-3,5-Me2C6H3)3] + trifluoromethylsulfonic anhydride (358-23-6) + pivaloyl chloride (3282-30-2) → (bistriflate)(niobium)NCH2tBuC6H3(CH3)2 (801222-54-8) + PW(N[i-Pr]-3,5-Me2C6H3)3

Guidance literature:

In diethyl ether; byproducts: NaCl, tBuCN; one-pot synthesis; stirring for 2 h at 22°C; solvent removal; dissolution in C6D6, separation from NaCl; treatment with Tf2O at room temp.; solvent removal under reduced pressure; detd. by (1)H NMR; sepd. by filtration;

DOI:10.1002/anie.200604736

Reference yield: 62.0%

Nb(OTf)2(N[neopentyl]-3,5-Me2C6H3)3 (801222-54-8) → Nb(OTf)(N[neopentyl]-3,5-Me2C6H3)3 (877119-59-0)

Guidance literature:

With Cp₂Co; In tetrahydrofuran; byproducts: [Cp2Co][O3SCF3]; under N2 atm. thawing soln. Cp2Co (liquid N2) in THF was added dropwise over 3 min to thawing soln. Nb complex (-100°C) in THF, mixt. waswarmed to room temp., stirred for 45 min at room temp.; mixt. was evapd. in vac., residue was extd. with pentane, filtered through Celite, filtrate was evapd., redissolved in pentane, stored at -35°C;

DOI:10.1021/ja056408j

upstream raw materials:

trifluoromethylsulfonic anhydride

pivaloyl chloride

Downstream raw materials:

Nb(hydride)(η2-(t-Bu)CHN(3,5-C6H3Me2))(N[CH2(t-Bu)](3,5-C6H3Me2))2

Nb(OTf)(N[neopentyl]-3,5-Me₂C₆H₃)3