SEARCH Articles Figures Tables A-Phenylaldimine Cram selectivity Alkynes, stannylreactions with steroidal aldehydes Cram selective Allyl organometallic compounds Cram selectivity Anti-Cram selectivity Boronates, allylreaction with 2,3-O-isopropylidene-D-glyceraldehyde Cram selectivity Cram -selective coupling Cram -selective coupling reaction Cram rule selectivity Cram selectivity transition state models Diastereofacial selectivity Cram’s rule Sulfenimines Cram selectivity