928161-75-5Relevant academic research and scientific papers
L-proline-catalyzed direct intermolecular asymmetric aldol reactions of 1-phenylthiocycloalkyl carboxaldehydes with ketones. Easy access to spiro-and fused-cyclobutyl tetrahydrofurans and cyclopentanones
Bernard, Angela M.,Frongia, Angelo,Guillot, Regis,Piras, Pier P.,Secci, Francesco,Spiga, Marco
, p. 541 - 544 (2007/10/03)
Acid-catalyzed ring expansion of chiral cyclopropyl and cyclobutyl derivatives for the synthesis of carbo- and heterocyclic compounds is reported. The starting materials have been successfully prepared by i-proline-catalyzed direct asymmetric aldol reacti
