Arene-ruthenium complexes with salicyloxazolines: diastereoselective synthesis, configurational stability and applications as asymmetric catalysts for Diels-Alder reactions was written by Davenport, Adam J.; Davies, David L.; Fawcett, John; Russell, David R.. And the article was included in Dalton Transactions on May 7,2004.Quality Control of (S)-2-(4-(tert-Butyl)-4,5-dihydrooxazol-2-yl)phenol The following contents are mentioned in the article:
Reaction of the dimers [RuCl2(η6-arene)]2 (arene = mesitylene a, p-cymene b, C6H6 c) with salicyloxazolines in the presence of NaOMe gives the corresponding [RuCl(R,R’-saloxaz)(arene)] (R = R’ = Me 1; R = H, R’ = Me2CH 2, Me3C 3, PhCH2 4, Ph 5), which were fully characterized. [RuL(iPr-saloxaz)(mes)]Y (L = py 6, 2-Mepy 7, 4-Mepy 8, PPh3 9; Y- = SbF6 or BPh4) were prepared by treating the chloride 2a with ligand L and NaY (Y- = SbF6 or BPh4) in MeOH at reflux. Halide complexes [RuX(iPr-saloxaz)(mes)] (X = Br, 10; X = iodo, 11) were synthesized by treating 2a with AgSbF6 then with 1.2 equiv KBr or NaI, whereas the Me complex [RuMe(iPr-saloxaz)(mes)] 12 was synthesized from 2a by reaction with MeLi. Five complexes, [RuCl(iPr-saloxaz)(mes)] 2a, [RuCl(tBu-saloxaz)(p-cymene)] 3b, [RuCl(Ph-saloxaz)(mes)] 5a, [Ru(4-Mepy)(iPr-saloxaz)(mes)][SbF6] 7, and [Ru(PPh3)(iPr-saloxaz)(mes)][SbF6] 9, were characterized by x-ray crystallog. Treatment of complexes 1-5 with AgSbF6 gives cationic species which are enantioselective catalysts for the Diels-Alder reaction of acroleins with cyclopentadiene, and the effect of substituents on enantioselectivity was examined This study involved multiple reactions and reactants, such as (S)-2-(4-(tert-Butyl)-4,5-dihydrooxazol-2-yl)phenol (cas: 135948-04-8Quality Control of (S)-2-(4-(tert-Butyl)-4,5-dihydrooxazol-2-yl)phenol).
(S)-2-(4-(tert-Butyl)-4,5-dihydrooxazol-2-yl)phenol (cas: 135948-04-8) belongs to oxazolidine derivatives. Oxazolidines are commonly obtained by reaction of strained heterocycles, mainly aziridines. As well as other multifunctional heterocyclic compounds, oxazolidine rings play an essential role in organic and medicinal chemistry, behaving, in some cases as powerful antitumor agents.Quality Control of (S)-2-(4-(tert-Butyl)-4,5-dihydrooxazol-2-yl)phenol
135948-04-8;(S)-2-(4-(tert-Butyl)-4,5-dihydrooxazol-2-yl)phenol;The future of 135948-04-8;New trend of C13H17NO2;function of 135948-04-8