Tandem semipinacol/Schmidt reaction leading to a versatile and efficient approach to azaquaternary alkaloid skeletons.

General and efficient strategy for erythrinan and homoerythrinan alkaloids: Syntheses of (±)-3-demethoxyerythratidinone and (±)-erysotramidine.

A general approach to crinine-type amaryllidaceae alkaloids: Total syntheses of (±)-haemanthidine, (±)-pretazettine, (±)-tazettine, and (±)-crinamine.