Oxazolidinones

Application (+)-2,2&#8242-Isopropylidenebis[(4 R )-4-phenyl-2-oxazoline] in the presence of copper iodide, can catalyze the asymmetric cyclopropanation reaction of phenyliodonium ylides with alkenes to form cyclopropane &#945-amino acid esters. C

Application (+)-2,2&#8242-Isopropylidenebis[(4 R )-4-phenyl-2-oxazoline] in the presence of copper iodide, can catalyze the asymmetric cyclopropanation reaction of phenyliodonium ylides with alkenes to form cyclopropane &#945-amino acid esters. C

Application C 2 symmetric ligand for enantioselective catalysis. Easily forms bidentate coordination complexes due to the strong affinity of the oxazoline nitrogen for various metals.

Application C 2 symmetric ligand for enantioselective catalysis. Easily forms bidentate coordination complexes due to the strong affinity of the oxazoline nitrogen for various metals.

Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of unique chemicals. Sigma-Aldrich does not collect analytical data for this product.

Application Evan&#8242s chiral auxiliary (4 R ,5 S )-(+)-4-Methyl-5-phenyl-2-oxazolidinone reacts with carboxylic acids to produce corresponding acyl derivatives in the presence of a diisopropylcarbodiimide reagent. It can also employed in the

(4S)-(+)-4-[4-(tert-butyl)phenyl]-alpha-[(4S)-4-[4-(tert-butyl)phenyl]-2-oxazolidinylidene]-2-oxazolineacetonitrile

(4 S )-(+)-Phenyl-&#945-[(4 S )-phenyloxazolidin-2-ylidene]-2-oxazoline-2-acetonitrile is a C 2 -symmetric chiral bisoxazoline (BOX) ligand. Application (4 S )-(+)-Phenyl-&#945-[(4 S

Application (4 S ,5 R )-(-)-4-Methyl-5-phenyl-2-oxazolidinone may be used to synthesize (4 S ,5 R )- N - tert -butyloxycarbonyl)-4-methyl-5-carboxy-2-oxazolidinone and (+)-pumiliotoxin B. Versatile chiral auxiliary for asymmetric synthesis.

Packaging Bottomless glass bottle. Contents are inside inserted fused cone.

Packaging Bottomless glass bottle. Contents are inside inserted fused cone.

Application CBS Catalysts for Asymmetric Reduction and Asymmetric Synthesis The CBS (Corey-Bakshi-Shibata) oxazaborolidine catalyst has been used in the asymmetric reduction of prochiral ketones. Other applications include the enantioselective