Technology Process of 2-N-(3',6'-di-tert-butyl-carbazolyl)-1,3-diphenyl-1,3,2-benzodiazaborole
There total 4 articles about 2-N-(3',6'-di-tert-butyl-carbazolyl)-1,3-diphenyl-1,3,2-benzodiazaborole 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:
- Guidance literature:
-
With
n-butyllithium;
In
hexane; pentane; benzene;
Ar; n-hexane soln. of n-BuLi (3.2 mmol) added dropwise with stirring at room temp. to n-pentane soln. of carbazole (3.2 mmol), stirred for 2 h, benzene soln. of boron compd. (3.2 mmol) added, mixt. stirred at room temp. for 15 h; evapd., extd. (n-hexane), evapd., recrystd. (toluene, 4°C), elem.anal.;
DOI:10.1002/ejic.201000665
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: calcium hydride; boron tribromide / toluene / 0 - 20 °C / Inert atmosphere
2.1: n-butyllithium / hexane; pentane / 2 h / 20 °C / Inert atmosphere
2.2: 15 h / 20 °C / Inert atmosphere
With
n-butyllithium; calcium hydride; boron tribromide;
In
hexane; toluene; pentane;
DOI:10.1002/ejic.201000665
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: palladium diacetate; sodium t-butanolate; 1,3-bis[2,6-diisopropylphenyl]imidazolium chloride / toluene / 5 h / Inert atmosphere; Reflux
2.1: calcium hydride; boron tribromide / toluene / 0 - 20 °C / Inert atmosphere
3.1: n-butyllithium / hexane; pentane / 2 h / 20 °C / Inert atmosphere
3.2: 15 h / 20 °C / Inert atmosphere
With
n-butyllithium; calcium hydride; palladium diacetate; boron tribromide; sodium t-butanolate; 1,3-bis[2,6-diisopropylphenyl]imidazolium chloride;
In
hexane; toluene; pentane;
DOI:10.1002/ejic.201000665
