Etinylsteroit mới chứa flo

By using a new own method [1], a new ethynylsteroid containing fluorine at the 17 -position: 4-chloro-pregn-4-en-3-on-16 -ol-17 -fluor-20-yne has been synthesized. Structure of the product has been determined by physical methods as IR, MS, 1 and 2D NMR.

6p uocvong03 24-09-2015 23 2   Download