22401-44-1Relevant articles and documents
How small amounts of impurities are sufficient to catalyze the interconversion of carbonyl compounds and iminium ions, or is there a metathesis through 1,3-oxazetidinium ions? Experiments, speculations, and calculations
Seebach, Dieter,Yoshinari, Tomohiro,Beck, Albert K.,Ebert, Marc-Olivier,Castro-Alvarez, Alejandro,Vilarrasa, Jaume,Reiher, Markus
, p. 1177 - 1203 (2014)
Under the 'best anhydrous' conditions, we were able to achieve, the bicyclic oxazolidinones derived from proline and pivalaldehyde (or cyclohexanone) equilibrate with added carbonyl compounds in (D6)DMSO and in (D6)benzene. With (su