1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium bromide

Base Information

Chemical Name:1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium bromide
CAS No.:684261-42-5
Molecular Formula:Br*C₂₂H₃₂N₃O
Molecular Weight:434.42
Hs Code.:

Synonyms:1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium bromide

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Chemical Property of 1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium bromide

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Technology Process of 1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium bromide

There total 2 articles about 1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium 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: 96.0%

: 25364-47-0
1-(2,6-diisopropylphenyl)-1H-imidazole

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

: 684261-42-5
1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium bromide

Guidance literature:: In tetrahydrofuran; at 20 ℃; for 96h;
DOI:10.1002/chem.200500132

Reference yield:

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

: 684261-42-5
1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium 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: 96 percent / tetrahydrofuran / 96 h / 20 °C

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

Reference yield:

: 870484-52-9
[Rh(2,5-norbornadiene)(tert-butoxide)]2

: 684261-42-5
1-[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]-3-(2,6-diisopropylphenyl)imidazolium bromide

: (norbornadiene)Rh(Br)(C₆H₃(C₃H₇)2)C₃H₂N₂CNCH(C(CH₃)3)CH₂O

Guidance literature:: In tetrahydrofuran; byproducts: (CH3)3COH; reaction of ((C3H7)2C6H3)(C3H3N2)(CNCH(C(CH3)3)CH2O)Br with (Rh(μ-OtBu)(C7H8))2 in THF at -78°C; heated to 0°C;
DOI:10.1002/anie.200353133