java (Hive Bee) 02-01-03 08:01 No 403276				Synth of Ephedrine from protected Cyanohydrins (Rated as: excellent)	Bookmark
						Stereoselectrive Syntheses of Ephedrine and Related 2-Aminoalcohols of High Optical Purity from Protected Cyanohydrins Jackson et al Tetrahedron Letters, 31, 10, 1447-1450 (1990) (../rhodium/pdf /ephedrine.grignard.pdf) Abstract: Ephedrine and related optically active b-aminoalcohols can be prepared by zinc borohydride reduction of aryl O-protected magnesium imines and aryl a-hydroxyimimes which in turn are readily available from optically active cyanohydrins. Saludos, from Latin america