TY - JOUR T1 - Stereoselective syntheses of (+)- isoretronecanol and (+)-5-epi-tashiromine via addition of chiral titanium (iv) enolates to cyclic n-acyliminium ions JO - Química Nova A1 - Pereira, Elaine A1 - Alves, Conceição de Fátima A1 - Böckelmann, Maria Alice A1 - Pilli, Ronaldo A. SN - 0100-4042 UL - 10.1590/S0100-40422008000400012 VL - 31 Y1 - 2008 PB - Brasil ER -