1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide

Base Information

Chemical Name:1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide
CAS No.:684261-40-3
Molecular Formula:Br*C₁₉H₂₆N₃O
Molecular Weight:392.339
Hs Code.:

Synonyms:1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide

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Chemical Property of 1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide

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Technology Process of 1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide

There total 2 articles about 1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide 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: 71.0%

: 25364-44-7
N-(2,4,6-trimethylphenyl)imidazole

: 176213-87-9
(4S)-4-tert-butyl-2-bromo-4,5-dihydro-1,3-oxazole

: 684261-40-3
1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide

Guidance literature:: In tetrahydrofuran; at 20 ℃; for 120h;
DOI:10.1002/chem.200500132

Reference yield:

: 132377-00-5
(S)-4-(tert-butyl)-4,5-dihydrooxazole

: 684261-40-3
1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide

Guidance literature:: Multi-step reaction with 2 steps

1.1: t-BuLi / pentane; tetrahydrofuran / 0.25 h / -78 °C

1.2: 66 percent / 1,2-dibromo-1,1,2,2-tetrafluoroethane / pentane; tetrahydrofuran / -78 - 20 °C

2.1: 71 percent / tetrahydrofuran / 120 h / 20 °C

With tert.-butyl lithium; In tetrahydrofuran; pentane;
DOI:10.1002/chem.200500132

Reference yield: 88.0%

: copper(I) bromide dimethylsulfide complex

: 684261-40-3
1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-mesitylimidazolium bromide

: (1-((S)-tert-butyl-4,5-dihydrooxazol-2-yl)-3-mesitylimidazol-2-ylidene)copper(I) bromide

Guidance literature:: With KO-t-Bu; In tetrahydrofuran; byproducts: KBr; (N2); std. Schlenk technique; soln. of KO-t-Bu in THF was slowly added to soln. of Cu compd. and imidazolium salt in THF at -78°C; mixt. was reacted overnight; centrifuged; supernatant soln. septd.; evapd.; washed (pentane); elem. anal.;
DOI:10.1016/j.jorganchem.2005.06.044