Practical Synthesis and Evaluation of the Biological Activities of 1a, 25-Dihydroxyvitamin D3 Antagonists and 1a, 25-Dihydroxyvitamin D3-26, 23-Lactams. Designed on the Basis of the Helix 12-Folding Inhibition Hypothesis

doi 10.1021/jm050738x.s001