SYNTHESIS AND BIOLOGICAL EVALUATION OF 1-ALPHA-HYDROXY-25(R AND S)-25,26-EPOXY-23-YNE VITAMIN-D-3 AND OF 1A,25(R AND S),26-TRIHYDROXY-23-YNE VITAMIN-D-3
Ys. Wu et al., SYNTHESIS AND BIOLOGICAL EVALUATION OF 1-ALPHA-HYDROXY-25(R AND S)-25,26-EPOXY-23-YNE VITAMIN-D-3 AND OF 1A,25(R AND S),26-TRIHYDROXY-23-YNE VITAMIN-D-3, Bioorganic & medicinal chemistry letters, 7(7), 1997, pp. 929-932
The synthesis of both 1 alpha-hydroxy-25(R and S)-25,26-epoxy-23-yne v
itamin D-3 and of both 1 alpha,2S(R and S),26-trihydroxy-23-yne vitami
n D-3 is described. Biological evaluation includes the study of calcem
ic effect, receptor binding and cell differentiation. (C) 1997 Publish
ed by Elsevier Science Ltd.