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Class 552/615 - Oxygen bonded directly at the 5-, 6- or 7-position


Subclass of Class 552 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein oxygen is bonded directly at the 5-,6-
No. of patents: 67
Last issue date: 10/13/2009


1    
NumberTitleIssue Date
7601857Preparation of 6-hydroxyequilenins
This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents. ...
10/13/2009
7300587Oxidation of heavy metal ions
A water-insoluble polymeric oxidizing medium is contemplated that has a plurality of polymerized N-pyridinium vinylbenzyl triiodide or tribromide moieties whose pyridinium rings bear two substituents, R1 and R2, that are independently a hydrido...
11/27/2007
7186671Particulate alumina and process for removing metal ions from water
A water-insoluble polymeric oxidizing medium is contemplated that has a plurality of polymerized N-pyridinium vinylbenzyl triiodide or tribromide moieties whose pyridinium rings bear two substituents, R1 and R2, that are independently a hydrido...
03/06/2007
7179799(3) and (6) substituted estrogenic compounds
Novel estrogenic compounds of Formula I are provided. wherein the bond represented by the wavy line may be a single or double bond such that when the wavy line is a single bond, R1 is selected from the...
02/20/2007
70676826,7-Oxygenated steroids and uses related thereto
Steroid compounds having various oxygen substitution on the steroid nucleus are disclosed. A specific functionality present on many of the steroid compounds is oxygen substitution at both of positions 6 and 7. Thus, certain steroids have oxygen substitution at C6 an...
06/27/2006
70020285-androsten-3β-ol steroid intermediates and processes for their preparation
The present invention provides 5-androsten-3β-ol steroid intermediates and processes for their preparation. ...
02/21/2006
6956126Preparation of 6-hydroxyequilenins
This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents. ...
10/18/2005
69495336,7-Oxygenated steroids and uses related thereto
Steroid compounds having various oxygen substitution on the steroid nucleus are disclosed. A specific functionality present on many of the steroid compounds is oxygen substitution at both of positions 6 and 7. Thus, certain steroids have oxygen substitution at C6 an...
09/27/2005
6930192Methods for preparing 7alpha-hydroxy-dehydroepiandrosterone
The invention relates to new processes for preparing 7alpha-hydroxy-dehydroepiandrosterone of formula (1): ...
08/16/2005
6844334(3) and (6) substitued estrogenic compounds
Novel estrogenic compounds of Formula I are provided. wherein the bond represented by the wavy line may be a single or double bond such that when the wavy line is a single bond, R1 is selected from the group...
01/18/2005
6696580Process for the production of 6,7-diols of steroidal compounds
Steroids containing a cyclohexene moiety are efficiently oxidized to the corresponding ଱,ଲ-unsaturated ketone using copper iodide and t-butyl hydroperoxide. A steroid compound containing the ଱,ଲ-unsaturated ketone structure is effi...
02/24/2004
6686486Process for effecting allylic oxidation
A procedure for oxidizing organic compounds having allylic hydrogen atom(s) involving the steps of reactively contacting the organic compound with a combination of a periodic acid or metal periodate and an alkyl hydroperoxide under conditions of normal as...
02/03/2004
6660726Estrogenic compounds, pharmaceutical compositions thereof, and methods of using same
Novel estrogenic compounds of Formula I are provided. ##STR1## wherein the bond represented by the wavy line may be a single or double bond such that when the wavy line is a single bond, R1 is selected from the group consisting of hydrogen, sul...
12/09/2003
6605591Treatment of subnormal bone mineral density
A method of treating an individual to increase the individual's bone mineral density (BMD) is disclosed. The method includes co-administering a calcitonin-like agent and a DHEA-like agent. Also disclosed are methods for potentiating the effect of treatmen...
08/12/2003
6384251Process for effecting allylic oxidation using dicarboxylic acid imides and chromium reagents
A procedure for oxidizing organic compounds having allylic hydrogen atom(s) involving the steps of reactively contacting the organic compound with a combination of an N-hydroxy dicarboxylic acid imide and a chromium-containing oxidant. The reaction can co...
05/07/2002
6274746Process for allylic oxidation using metal hypochlorite and alkyl hydroperoxide
The present invention is directed to a process for effecting the allylic oxidation of an allylic compound having at least two allylic hydrogen atoms on the same carbon atom into corresponding ଱,ଲ-unsaturated carbonyl compound, using a combinat...
08/14/2001
6111118Process for effecting allylic oxidation
A procedure for oxidizing organic compounds having allylic hydrogen atom(s) involving the steps of reactively contacting the organic compound with a combination of a periodic acid or metal periodate and an alkyl hydroperoxide under conditions of normal as...
08/29/2000
5977096Steroids with radical-attracting aromatic substituents, process for the production thereof and pharmaceutical compounds containing the said substances
Novel substituted steroid compounds are disclosed which are more effective than known radical-trapping agents in methods of prophylaxis and therapy of radical-mediated cell damage and of treatment of diseases due to radical-mediated cell damage. The novel...
11/02/1999
5869709Process for effecting allylic oxidation
A procedure for oxidizing organic compounds having allylic hydrogen atom(s) involving the steps of reactively contacting the organic compound with a combination of an alkali metal periodate and an alkyl hydroperoxide. The reaction can conveniently be cond...
02/09/1999
564850714଱-hydroxy-4-androstene-3,6,17-trione hydrate and process for producing same
Provided are stable hydrate crystals of 14଱-hydroxy-4-androstene-3,6,17-trione having a biological activity of human placenta-originating estrodiene synthesis enzyme inhibitory action. These hydrate crystals include two kinds of 14଱-hydro...
07/15/1997
561465114଱-hydroxy-4-androstene-3,6,17-trione hydrate crystal and process for producing same
Provided are stable hydrate crystals of 14଱-hydroxy-4-androstene-3,6,17-trione having a biological activity of human placenta-originating estrodiene synthesis enzyme inhibitory action. These hydrate crystals include two kinds of 14଱-hydro...
03/25/1997
5354745Estradiol derivative-chlorambucil conjugate process for preparing the same, and pharmaceutical composition
An estradiol derivative-chlorambucil conjugate of the formula (I): ##STR1## wherein R1 is alkyl or alkoxyl of 1 to 4 carbon atoms; R2 is acyl, dansyl, or alkyl; R3, R4, and R5 independently are H, ...
10/11/1994
5296481Treatment process for promoting weight loss employing a substituted Ɗ 5
A method for controlling weight gain or promoting weight loss which includes the step of treating a subject with an effective weight gain controlling or weight loss promoting amount of a substituted Ɗ5-Androstene which is biologically effective for contr...
03/22/1994
5252565Haloethyl-substituted steroid enzyme inhibitors
The present invention is directed to a group of compounds which are haloethyl substituted steroidal enzyme inhibitors. These compounds are useful as aromatase, 19-hydroxylase, and aldosterone biosynthesis inhibitors and they are prepared from the correspo...
10/12/1993
520231410-thioethyl-steroids
A compound of the formula ##STR1## wherein R is selected from the group consisting of alkyl, alkenyl and alkynyl of up to 4 carbon atoms, Y is .dbd.O or ##STR2## R1 is hydrogen or acyl, n is 0, 1 or 2, D is .dbd.O or ##STR3## ...
04/13/1993
5098535Process for preparing 14-଱-hydroxy-4-androstene-3,6,17-trione
A process for the preparation in high yield of 14଱-hydroxy-4-androstene-3,6,17-trione which has an aromatase inhibition activity and is useful as an antitumor agent, in which the 6ଲ-hydroxyl group of 6ଲ, 14଱-dihydroxy-4-andros...
03/24/1992
5079377Novel androst-4-ene-3,17-dione derivatives and method for preparing same
Novel androst-4-ene-3,17-dione derivatives are disclosed. The group of these compounds has biological activities, in particular, the inhibiting activity on human placenta-derived estrogen-synthesizing enzyme. Therefore these compounds are expected to be u...
01/07/1992
4975368Novel androst-4-ene-3,17-dione derivatives and method for preparing same
Novel androst-4-ene-3,17-dione derivatives are disclosed. The group of these compounds has biological activities, in particular, the inhibiting activity on human placenta-derived estrogen-synthesizing enzyme. Therefore these compounds are expected to be u...
12/04/1990
49258343-methylene-4-androsten-17-ones, process for their production and pharmaceutical preparations containing them
A 3-methylene-4-androsten-17-one of formula I ##STR1## wherein Ra represents a hydrogen atom or a saturated or unsaturated straight-chain or branched-chain, optionally substituted alkyl radical with 1-6 carbon atoms, in which Ra...
05/15/1990
489869417-Hydroxy-steroids
Compounds of the formulae: ##STR1## are useful as anti-cancer, anti-obesity, anti-diabetic, anti-coronary agents, anti-aging agents, anti-hypolipidemic agents and anti-autoimmune agents....
02/06/1990
481432711 ଲ-(4-isopropenylphenyl)estra-4,9-dienes, their production, and pharmaceutical preparations containing same
11 ଲ-(4-isopropenylphenyl)-estra-4,9-dienes of general Formula I ##STR1## wherein X is an oxygen atom or a hydroxyimino grouping N OH, R1 is a hydrogen atom or a methyl group, R2 is a hydrogen atom or an acyl residue of 1-10 carbon...
03/21/1989
47570614-amino androstendione derivatives and process for their preparation
The invention discloses 4-substituted androstendione derivatives of the following formula (I) ##STR1## wherein R is amino or substituted amino or azido, one of R1 and R2 is hydrogen and the other is hydrogen, alkyl, alkenyl or a...
07/12/1988
4753932Novel 10-substituted steroids
A novel steroid of the formula ##STR1## wherein X is methylene and R is an optionally substituted carbocyclic aryl or heterocyclic aryl or optionally substituted vinyl or ethynyl or X is a simple bond or --S-- and R is optionally substituted carbocyc...
06/28/1988
4749567Method and product for increasing fertility in sheep using milk protein conjugates
A product and method for increasing fertility in sheep. By "increasing felity" is meant increasing the potential of a flock of sheep to multiply by increasing ovulation in ewes. The product is an immunogenic conjugate of 4-androstene-3, 17-dione and a so...
06/07/1988
4661295Novel radioactive estradienes
Novel radioactive estradienes labelled with tritium of the formula ##STR1## wherein 3 H is tritium and R is selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms and acyl of an organic carboxylic acid of 1 to 10 carb...
04/28/1987
4634695Steroid derivatives
Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR1## wherein R1 is an organic radical of 1 to 18 carbon atoms containing at least one atom selected from the group consisting of nitrogen, phosphorous and silicon with the...
01/06/1987
4615835Steroid esters of N-(2-halogenethyl)-N-nitroso-carbamoylamino and acids and peptides therefore, as well as method for preparing them
Steroid-N-(2-halogen ethyl)-N-nitroso-carbamoylamino acid or peptide esters of the general formula: ##STR1## where R1 and R2, which may be identical or different, mean the radical of an amino acid beyond the C atom in the beta p...
10/07/1986
4602008Alkylated etiocholanolones and use as an anti-diabetic, anti-obesity and erythropoietic agent
16-Alkylated and 16-alkylated-7-hydroxy 5ଲ-androstan-3-ol-17-one, and the esters and ethers thereof, are used as an anti-diabetic, anti-obesity and erythropoietic agent in mammals....
07/22/1986
452954817ଲ-(substituted thio)androstenes
Antiinflammatory activity is exhibited by steroids having the formula ##STR1## or the 1,2-dehydro derivative thereof, wherein R1 is alkyl, alkanoyloxyalkyl, arylcarbonyloxyalkyl, alkenyl, alkynyl, cycloalkyl, aryl or arylalkyl; R2
07/16/1985
4519946Steroids
Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR1## wherein R1 is an organic radical of 1 to 18 carbons atoms containing at least one atom selected from the group consisting of nitrogen, phosphorous and silicon with th...
05/28/1985
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