Class 568/372 - The tetracyclo ring system consists of four six-membered cyclos (e.g., D homo-androstane, 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: 28
Last issue date: 07/22/2008

Number	Title	Issue Date
7402712	Adamantyl vinyl ether compound and production process for the same Provided by the present invention are an adamantyl vinyl ether compound which is useful as a monomer for functional resins in the photolithography field or a raw material therefor and medical and agricultural intermediates and a production process for the same. ...	07/22/2008
7326323	High capacity purification of thermally unstable compounds Separations processes and apparati capable of purifying thermally sensitive materials at high capacity. An apparatus having a rectification section and a stripping section with the stripping section having a stripping tray with 5 to 50% open area, a pressure drop fr...	02/05/2008
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
7041701	Triterpenoid derivatives The present invention relates to the use of a compound of formula (I), or a pharmaceutically acceptable salt thereof, in therapy. Preferably, the compound may be used for treating a patient suffering from leukaemia, cancer or other proliferative disorder. A further ...	05/09/2006
5929285	Method for producing 3, 5, 5-trimethylcyclohexa-3-en-1-one Highly purified 3,5,5-trimethylcyclohexa-3-en-1-one is produced with a high production efficiency by inhibiting thermal decomposition of an isomerization catalyst. The method comprises isomerizing 3,5,5-tri-methylcyclohexa-2-en-1-one (଱-isophorone) ...	07/27/1999
5028631	Homoandrostan-17-one and homoandrosten-17-ones Compounds of the formula: ##STR1## useful as anti-cancer agents, anti-obesity agents, anti-hyperglycemic agents, anti-aging agents, anti-hyperglycemic agents and anti-autoimmune agents....	07/02/1991
4788218	17 a ଲ-hydroxy-7 ଱-methyl-d-homo-19-norandrost-4,16-diene-3-one and the 17-esters thereof: methods of preparation and uses Novel compounds having the general formula: ##STR1## wherein: R1 is hydrogen or an acyl substituent of the formula: wherein: R2 is an alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkylene, haloalkyl, aryl, haloaryl or arylalkylene ...	11/29/1988
4361578	D-Homosteroids The invention is directed to 3-oxo-D-homosteroids and derivatives thereof which are useful as antiantigens....	11/30/1982
4202841	D-Homopregnanes D-Homopregnanes of the formula ##STR1## wherein the dotted line in the 1,2-position together with the corresponding solid line denotes a single or double carbon-carbon bond; R6 is hydrogen, fluoro, chloro or methyl; R9 is hydrog...	05/13/1980
4155918	Novel D-homosteroids The present disclosure relates to novel D-homosteroids. More particularly, the invention is concerned with hormonally active novel D-homosteroids, a process for the manufacture thereof and pharmaceutical preparations containing same....	05/22/1979
4139716	19-Nor-D-homopregnanes The present disclosure relates to D-homosteroids. More particularly, the disclosure is concerned with 19-nor-D-homopregnanes, a process for the manufacture thereof and pharmaceutical preparations containing same....	02/13/1979
4137269	D-homosteroids The present disclosure relates to steroids. More particularly, the disclosure is concerned with D-homosteroids, a process for the manufacture thereof and pharmaceutical preparations containing same. The subject D-homosteroids have high endocrinal activity...	01/30/1979
4131655	D-homopregnanes D-homopregnanes of the formula ##STR1## wherein R6 is hydrogen, chloro, fluoro or methyl; X is ଲ-hydroxymethylene or carbonyl; R17a is hydroxy, lower alkanoyloxy or aroyloxy; R21 is hydrogen, chloro, fluoro, hyd...	12/26/1978
4097678	Ɗ⁹ (11) -5଱-D-homo-20-keto steroids 3଱-Hydroxy and 3଱-acyloxy- Ɗ9(11) -5଱-D-homo-20-ketopregnenes of the formula ##STR1## wherein R is hydrogen or acyl, R1 is hydrogen or methyl and R2 is methyl or ethyl, are produced by esterifying a...	06/27/1978
4080334	Intermediates in the total synthesis employing substituted isoxazole derivatives The intermediates and processes of this invention provide a new synthetic route for the preparation of pharmaceutically valuable 19-norsteroids. Further, the intermediates and processes of the invention provide a route for the preparation of pharmaceutica...	03/21/1978
4057561	D-Homo-19-norsteroids D-homosteroids of the formula ##STR1## WHEREIN R3଱ is hydrogen, R3ଲ is hydroxy, lower alkanoyloxy or aroyloxy and R3଱ and R3ଲ taken together are oxo; R17a଱ is hydrog...	11/08/1977
4056633	D-homo-20-ketopregnanes and method for inducing anesthesia or narcosis D-homo-20-ketopregnanes of the formula ##STR1## wherein R1 is hydrogen, fluorine, chlorine, bromine, alkyl, alkoxy, or azido; R2 is oxygen, ##STR2## and R7 is hydrogen, lower alkyl, or acyl of up to 5 carbon atom...	11/01/1977
4045574	D-Homo-20-ketopregnanes D-homo-20-ketopregnanes of the formula ##STR1## wherein R1 is oxygen, ##STR2## in which R5 is hydrogen or lower acyl; R2 is hydrogen or methyl; R3 is oxygen, ##STR3## or two hydrogen atoms; R...	08/30/1977
4036874	D-homopregnanes D-homosteroids of the formula ##STR1## wherein R6 is hydrogen, fluorine, chlorine or methyl; R9 is hydrogen, fluorine, chlorine or bromine; R17 and R21 each independently are hydroxy or acyloxy, and U repre...	07/19/1977
4033995	D-homo steroids D-Homo-21-carboxylic acids of the formula ##STR1## the represents a single bond or a double bond; X is a hydrogen atom, a fluorine atom, or methylene; Y is a hydrogen atom, a fluorine atom, or a chlorine atom; Z is methylene, carbonyl, ଲ-hydroxy...	07/05/1977
4028400	D-homosteroids The present invention relates to steroids. More particularly, the invention is concerned with D-homosteroids, a process for the manufacture thereof and pharmaceutical preparations containing same....	06/07/1977
4026922	D-Homo-pregnene steroids The present disclosure relates to novel D-homo-pregnene steroids useful as progestational agents....	05/31/1977
4026923	D-Homosteroids A novel class of D-homosteroids is disclosed. These compounds have potent endocrinal activity, particularly as anti-inflammatory agents....	05/31/1977
4026921	D-homosteroids Novel D-homosteroids of the formula ##STR1## are disclosed. These compounds exhibit anti-inflammatory activity....	05/31/1977
4026918	D-homosteroids Novel D-homosteroids of the formula ##STR1## are disclosed. The novel D-homosteroids exhibit anti-inflammatory activity and are useful intermediates for the synthesis of anti-inflammatory D-homosteroids....	05/31/1977
4025563	Novel D-homo steroids D-homo steroids of the formula ##STR1## wherein X is H, F or CH3 ; Y is H, F or Cl; Z is CH2, CO, ଲ-HOCH2, ଲ-AcOCH2 or, when Y is Cl, also ଲ-FCH2 or ଲ-ClCH2 ; R...	05/24/1977
3994930	6-(3-Cyanopropyl)-2-vinyl tetrahydropyran-2-ol and its tautomer A multi-step, stereospecific total synthesis of steroids utilizing intermediates having a cyanoalkyl A-ring precursor is disclosed. The initial starting materials for this process are the relatively inexpensive and commercially available reagents γ-butyr...	11/30/1976
3939193	D-Homosteroids A novel class of D-homosteroids is disclosed. These compounds have potent endocrinal activity, particularly as anti-inflammatory agents....	02/17/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 568/372 - The tetracyclo ring system consists of four six-membered cyclos (e.g., D homo-androstane, etc.)