机译:Stereoselective reactions. Part 23. Asymmetric Michael reaction of alpha;-alkyl beta;-keto estersviachiral enamines. Dependence of the diastereofacial selection on the combination of solvents and additives
机译:Synthesis of (24R)-11alpha;-(4-carboxybutyryloxy)-24,25-dihydroxyvitamin D3: a novel haptenic derivative producing antibodies of high affinity for (24R)-24,25-dihydroxyvitamin D3