Synthesis of...

C - Chemistry – Metallurgy – 07 – J

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C07J 41/00 (2006.01) C07J 1/00 (2006.01)

Patent

CA 2187522

17.beta.-Cyano-3,17.alpha.-dihydroxy-6-methylandrosta-3,5,9(11)-triene 3-ethyl ether (II) is prepared by reacting 3-hydroxy-6-methylandrosta- 3,5,9(11)-trien-17-one 3- ethyl ether (I) with hydrogen cyanide at a pH of about 7 to about 11. The product is a useful intermediate in the production of pharmacologically active steroids including methylprednisolone.

On prépare l'éther 17.beta.-cyano-3,17.alpha.-dihydroxy-6-méthylandrosta-3,5,9(11)-triène-3-éthylique (II) en faisant réagir l'éther 3-hydroxy-6-méthylandrosta-3,5,9(11)-triène-17-one 3-éthylique (I) avec du cyanure d'hydrogène à un pH dans la plage allant d'environ 7 à environ 11. Le produit est un intermédiaire utile dans la production de stéroïdes actifs du point de vue pharmacologique, en particulier de la méthylprednisolone.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Synthesis of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Synthesis of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Synthesis of... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1979438

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.