The invention relates to chiral Mannich bases of formula (I), chiral 1,3-amino alcohols of formula (II) derived therefrom, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as defined herein, and to processes for preparing Mannich salts of formula (III) containing a chiral anion Y*.sup.- and compounds of formulae (I) and (II), wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and Y*.sup.- are as defined herein. ##STR00001##