reactions, served as starting compounds. Upon reduction of 5a—c and ent‐5a—c the amido alcohols l‐6a—c, u‐6a—c, ent‐l‐6a—c and ent‐u‐6a—c were obtained. Hydrolysis of these compounds yielded the secondary aminoalcohols l‐7a—c, u‐7a—c, ent‐l‐7a—c and ent‐u‐7a—c and upon reductive methylation of l‐7b—c, u‐7b—c, ent‐l‐7b—c and ent‐u‐7b—c with CH2O and NaCNBH3 the tertiaryaminoalcohols l‐7d—e, u‐7d—e, ent‐l‐7d—e