Synthesis of tritiated 1α,25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71)1

Autor: Akira Kawase, Yoshihiko Ishitani, Hiroyoshi Watanabe, Tetsuya Mitsui, Noboru Kubodera, Ken Okano, Kazumi Morikawa
Rok vydání: 1999
Předmět:
Zdroj: Journal of Labelled Compounds and Radiopharmaceuticals. 42:519-525
ISSN: 1099-1344
0362-4803
Popis: The synthesis of tritiated 1α-25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71), [2β-(3-3H)]ED-71 ((3) and [26,27-3H6]ED-71 (4) is described. The former was prepared by reduction of a precausor containing a formyl group in the A-ring part with sodium borotritiide while the latter was labeled in the side chain using tritiated methylmagnesium iodide. The specific activity of 3 was 13.2 Ci/mmol and that of 4 138.0 Ci/mmol. Copyright © 1999 John Wiley & Sons, Ltd.
Databáze: OpenAIRE