Synthesis of 16α-3H androgen and estrogen substrates for 16α-hydroxylase
✍ Scribed by R. Cantineau; P. Kremers; J. De Graeve; A. Cornelis; P. Laszlo; J.E. Gielen; R. Lambotte
- Book ID
- 119481462
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 632 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0039-128X
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## Abstract The title compounds, each of high isotopic purity, were synthesized as internal standards for the mass spectral quantitation of estradiol and estrone. The [^2^H~3~] estradiol **3** was obtained from estrone (**1**) by alkaline H/^2^H exchange of the C‐16 protons and LiAl^2^LH~4~ reducti
## Abstract An efficient one step synthesis of [3__α__‐^3^H]5__α__‐androst‐16‐en‐3__β__‐ol by NaBT~4~ reduction of a ketone precursor is described. The specific activity of the product was 21.6 Ci/mmol with a radiochemical purity >99%. Synthesis of the precursor, 5__α__‐androst‐16‐en‐3‐one, from co