Vitamin D glycosides and a method of use
Patent 4410515 Issued on October 18, 1983. Estimated Expiration Date: 
April 1, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 1, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesFluorovitamin D compounds and processes for their preparation Patent #: 4188345 InventorsAssigneeApplicationNo. 06/249922 filed on 04/01/1981US Classes:514/35, Oxygen of the saccharide radical bonded directly to a cyclohexyl ring536/17.2, Nitrogen containing536/18.1, Polycyclo ring system (e.g., hellebrin, etc.)536/4.1, O- or S- Glycosides536/53, Oxygen double bonded and nitrogen bonded directly to the same carbon536/55.2, Glucosamine containing568/665, Polycyclo ring system568/817, Polycyclo ring system568/819Bicyclo ring systemExaminersPrimary: Brown, Johnnie R.Attorney, Agent or FirmInternational ClassesC07H 15/00 (20060101)C07H 15/18 (20060101) C07H 15/207 (20060101) AbstractA synthetic compound which is biologically active in maintaining calcium and phosphorous metabolism in animals, of the formula I ##STR1## wherein the double bond between positions C-22 and C-23 is single or double; R2 is hydrogen, CH3 or CH2 CH3 ; X is selected from the group consisting of hydrogen and --OR1, where R1 is hydrogen or a straight or branched chain glycosidic residue containing 1-20 glycosidic units per residue; with the proviso that at least one of the R1 is a glycosidic residue.Other References
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