C07J53/004 - CPC Classification Index

ClassID:

96564 ⎘

C07J53/004 - CPC Classification

Classification description:

Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class; Carbocyclic rings fused 3 membered carbocyclic rings

Sub-classes:

C07J53/005 » {in position 12} 0
C07J53/007 » {in position 6-7} 6
C07J53/008 » {in position 15/16} 36

Recent Application in this class:

20260078142

FULLY-CONTINUOUS SYNTHESIS METHOD OF CYPROTERONE ACETATE

20220162258

Method for Obtaining Gamma-Oryzanol

20220024969

METHOD FOR EXTRACTING ASTRAGALOSIDE IV FROM FRESH RADIX ASTRAGALI

20220017565

Steroid derivative regulators, method for preparing the same, and uses thereof

20190202765

Method for producing microparticles from pressurized and heated starting material solution

20180280413

Compositions and Methods For Increasing Telomerase Activity

20180171178

Method for the separation of the isoprenic constituents of guayule

20160318973

Compositions and methods for increasing telomerase activity

20160002284

Process for the preparation of drospirenone

20140088055

Compositions and methods for increasing telomerase activity

20130137883

Process for production of triterpene alcohol

20120283217

MODULATORS OF AMYLOID-BETA PRODUCTION

20120077777

ngCycloartanone derivatives with anticancer activity

20100292197

Compositions and methods for increasing telomerase activity

20100056487

MODULATORS OF AMYLOID-BETA PRODUCTION

20060211873

Synthesis of cyproterone acetate

20050101573

Meiosis regulating compounds