|Title:|| Dibenzo[b,d]pyranone dispersions|
|Abstract:||1-Hydroxy-3-alkyl-9-keto or 9-hydroxyhexahydro dibenzo[b,d]pyrans, useful as tranquilizers or hypotensive agents are dispersed with PVP or polyethylene glycol.|
|Inventor(s):|| Thakkar; Arvind L. (Indianapolis, IN) |
|Assignee:|| Eli Lilly and Company (Indianapolis, IN) |
|Filing Date:||Jun 23, 1975|
|Claims:||1. A dispersion of 2-20 parts of polyethyleneglycol having a molecular weight in the range 1000-6000, with one part of a compound of the formula ##SPC2## |
wherein Z is ##EQU1## wherein each R is individually hydrogen or C.sub.1 -C.sub.3 alkanoyl, wherein R.sup.3 is hydrogen or methyl,
wherein each R.sup.2 is either hydrogen or methyl, and both R.sup.2 groups are the same and wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl [, or C.sub.2 -C.sub.6 alkenyl].
2. A dispersion according to claim 1 wherein the compound is 1-hydroxy-3-(1',1'-dimethylheptyl)-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro- 9H-dibenzo[b,d]pyran-9-one.