Class 568/370 - The tetracyclo ring system consists of two five-membered and two six membered cyclos (e.g., B-nor-testosterone, etc.)

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the tetracyclo ring system consists of
No. of patents: 3
Last issue date: 11/21/2006

Number	Title	Issue Date
7138520	Coordination complexes having tethered therapeutic agents and/or targeting moieties, and methods of making and using the same In part, the present invention is directed to coordination complexes comprising a therapeutic agent. In one aspect, the subject compositions comprise a platinum metal center and a covalently attached therapeutic agent. ...	11/21/2006
4309565	Process for synthesizing A-nor and A-nor-18-homo-steroids The present invention is directed to a process for synthesizing A-nor and A-nor-18-homo-steroids. The invention is concerned with providing a total synthesis for the compounds called Dinordin and 18-homo-Dinordin. The preparation of other compounds will a...	01/05/1982
3987115	Production of hydroperoxides Method for the production of hydroperoxides of hydrocarbons having no aliphatic or cycloaliphatic tertiary carbon atoms wherein such hydrocarbons are oxidized in the liquid phase with molecular oxygen in the presence of a tertiary alcohol and a tertiary h...	10/19/1976

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