ClassID:

96563

C07J53/002 - 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

Sub-classes:
Recent Application in this class:
#1
20250361263
2025-11-27

C17 POLAR-SUBSTITUTED HETEROAROMATIC SYNTHETIC TRITERPENOIDS AND METHODS OF USE THEREOF

#2
20250196022
2025-06-19

METHOD AND APPARATUS FOR PROCESSING BIRCH BARK

#3
20230295220
2023-09-21

C-3 AND C-17 MODIFIED TRITERPENOIDS AS HIV-1 INHIBITORS

#4
20230061432
2023-03-02

NEW TECHNOLOGY TO CONJUGATE THE TACCALONOLIDE MICROTUBULE STABILIZERS WITH LINKERS/PAYLOADS

#5
20210323997
2021-10-21

C-3 AND C-17 MODIFIED TRITERPENOIDS AS HIV-1 INHIBITORS

#6
20210188897
2021-06-24

NEUROACTIVE STEROIDS AND COMPOSITIONS AND METHODS THEREOF

#7
20210040142
2021-02-11

C17 POLAR-SUBSTITUTED HETEROAROMATIC SYNTHETIC TRITERPENOIDS AND METHODS OF USE THEREOF

#8
20200048301
2020-02-13

Epoxy-(meth)acrylate monomers and polymers and methods of making and using the same

#9
20190359647
2019-11-28

C-3 and C-17 modified triterpenoids as HIV-1 inhibitors

#10
20190300565
2019-10-03

Contraceptive use of triterpenoids

#11
20190031709
2019-01-31

C-3 and C-17 modified triterpenoids as HIV-1 inhibitors

#12
20180305398
2018-10-25

C-3 novel triterpenone with C-28 urea derivatives as HIV inhibitors

#13
20180118657
2018-05-03

METHODS FOR INHIBITING MUSCLE ATROPHY

#14
20170348324
2017-12-07

DERIVATIVES OF BETULIN

#15
20170252356
2017-09-07

Compounds and compositions for treating HIV with derivatives of Betulin

#16
20170190733
2017-07-06

Cyclopentanoperhydrophenanthrene framework compounds and preparation method therefor

#17
20160244480
2016-08-25

Enrichment of triterpine esters

#18
20160165892
2016-06-16

Pentacyclic triterpene compounds and uses thereof

#19
20160120878
2016-05-05

DERIVATIVES OF BETULIN

#20
20150368291
2015-12-24

N-acetyl amino acid ESTER derivatives of betulin and preparation method thereof

#21
20150337004
2015-11-26

Betulinic acid proline derivatives as HIV inhibitors

#22
20150119373
2015-04-30

NOVEL BETULINIC ACID DERIVATIVES AS HIV INHIBITORS

#23
20150005267
2015-01-01

ANXIOLYTIC MARCGRAVIACEAE COMPOSITIONS CONTAINING BETULINIC ACID, BETULINIC ACID DERIVATIVES, AND METHODS

#24
20140296546
2014-10-02

Method for producing 30-halogenated betulinic acid

#25
20140243298
2014-08-28

C-3 alkyl and alkenyl modified betulinic acid derivatives

#26
20140221328
2014-08-07

PHARMACEUTICALLY ACCEPTABLE SALTS OF NOVEL BETULINIC ACID DERIVATIVES

#27
20130210787
2013-08-15

C-3 cycloalkenyl triterpenoids with HIV maturation inhibitory activity

#28
20130203712
2013-08-08

Methods for inhibiting muscle atrophy

#29
20130096094
2013-04-18

Derivatives of 3-O-(3',3'-dimethylsuccinyl)-betulinic acid

#30
20130065868
2013-03-14

ANXIOYTIC MARCGRAVIACEAE COMPOSITIONS CONTAINING BETULINIC ACID, BETULINIC ACID DERIVATIVES, AND METHODS

#31
20130060013
2013-03-07

Compounds useful for treating neurodegenerative disorders

#32
20110224183
2011-09-15

16, 17-CARBOCYCLIC CONDENSED STEROID COMPOUNDS HAVING SLECTIVE ESTROGENIC ACTIVITY

#33
20100331292
2010-12-30

Substituted 16,17-annellated steroid compounds for use in womens healthcare

#34
20100317638
2010-12-16

Neuroactive 13,24-cyclo-18,21-dinorcholanes and structurally related pentacylic steroids

#35
20100249083
2010-09-30

16,17-CARBOCYCLIC CONDENSED STEROID COMPOUNDS HAVING SELECTIVE ESTROGENIC ACTIVITY

#36
20090143350
2009-06-04

Anxiolytic marcgraviaceae compositions containing betulinic acid, betulinic acid derivatives, and methods

#37
20080027237
2008-01-31

Processes for preparations of 9,11-epoxy steroids and intermediates useful therein

#38
20070060746
2007-03-15

PROCESSES FOR PREPARATION OF 9,11 EPOXY STEROIDS AND INTERMEDIATES USEFUL THEREIN

#39
20060030551
2006-02-09

Bile-acid derived compounds for enhancing oral absorption and systemic bioavailability of drugs

#40
20050256094
2005-11-17

Processes for preparation of 9,11-epoxy steroids and intermediates useful therein

#41
20050239761
2005-10-27

Keto-substituted steroid compounds

#42
20050159594
2005-07-21

Eplerenone crystal form exhibiting enhanced dissolution rate

#43
20050080060
2005-04-14

Antigestagenically active steroids with a fluorinated 17α-alkyl chain

#44
20050026885
2005-02-03

Contraception method using competitive progesterone antagonists and novel compounds useful therein

#45
15815587
2018-05-15

Oleanolic acid methyl ester derivatives

#46
15788181
2019-02-12

Method of synthesizing of 3-oxolupenal nanoparticles