Homocyclic derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – C-o-group doai

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

514462, 514511, 514693, 549228, 558270, 558275, 568445, 568817, A61K 31045

Patent

active

050397109

ABSTRACT:
Aphidicolane derivatives of the formula: ##STR1## wherein R.sup.1 stands for hydrogen or a hydroxy radical, R.sup.2 stands for a hydroxy or methyl radical, or the group CR.sup.1 R.sup.2 stands for a keto group; R.sup.3 stands for a formyl or hydroxymethyl radical, or for the group --CH.sub.2 O.CO.OR.sup.6, wherein R.sup.6 stands for a defined radical or R.sup.2 and R.sup.3 are joined together to form the group --O.CO.OCH.sub.2 --; R.sup.4 stands for a hydroxy radical; R.sup.5 stands for a formyl radical, a hydroxyalkyl radical --(CH.sub.2).sub.1-3 OH, a radical --CHR.sup.7 OH, wherein R.sup.7 stands for a defined radical, or R.sup.5 stands for an azidomethyl or pyrrolidinylcarbonyloxymethyl radical, or for the group --CH.sub.2 O.CO.OR.sup.8, wherein R.sup.8 stands for a defined radical, or R.sup.5 stands for the group --CH.sub.2 O.CO.(CH.sub.2).sub.m.CR.sup.11 R.sup.12.(CH.sub.2).sub.n.NR.sup.9 R.sup.10, wherein m, n, R.sup.9, R.sup.10, R.sup.11 and R.sup.12 have defined values, or R.sup.5 stands for the group --CH.sub.2 O.SO.sub.2.R.sup.13, wherein R.sup.13 stands for a defined radical; or R.sup.4 and R.sup.5 are joined together to form the group --O.CH.sub.2 -- or --O.CO.OCH.sub.2 --; and, where appropriate, pharmaceutically-acceptable salts thereof. Processes for the preparation of said aphidicolane derivatives. Pharmaceutical compositions comprising one of the compounds and a pharmaceutical diluent or carrier. The compounds exhibit inhibitory activity against DNA-containing viruses and they inhibit the growth of some tumors.

REFERENCES:
patent: 3761512 (1973-09-01), Borrow
Ipsen, J. Org. Chem., 47, pp. 3278-3282 (1982).
Roche, "Design of Biopharmaceutical Properties Through Prodrugs and Analogs," pp. 27-46 & 281-315 (1977).

LandOfFree

Say what you really think

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

Rating

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

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

Rate now

     

Profile ID: LFUS-PAI-O-1527702

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