ClassID:

96528

C07J21/003 - CPC Classification

Classification description:

Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton; Lactones at position 17

Recent Application in this class:
#1
20180237383
2018-08-23

NATURAL PRODUCT ANALOGS INCLUDING AN ANTI-INFLAMMATORY CYANOENONE PHARMACORE AND METHODS OF USE

#2
20160145200
2016-05-26

Natural product analogs including an anti-inflammatory cyanoenone pharmacore and methods of use

#3
20160108083
2016-04-21

Process for the preparation of 7 α-(methoxycarbonyl)-3-OXO-17alpha-pregn-4,9(11)-dien-21,17-carbolactone, a useful intermediate for the synthesis of molecules with pharmacological activity

#4
20140303385
2014-10-09

Asymmetric synthesis of organic compounds

#5
20140011785
2014-01-09

LOCALLY ACTIVE "SOFT" ANTIANDROGENS

#6
20130131335
2013-05-23

Methods for the preparation of drospirenone and intermediates thereof

#7
20130123219
2013-05-16

19-nor-steroid derivatives with a 15α,16α-methylene group and a saturated 17,17-spirolactone ring, use thereof, and medicaments containing said derivatives

#8
20120283450
2012-11-08

Natural product analogs including an anti-inflammatory cyanoenone pharmacore and methods of use

#9
20120214987
2012-08-23

METHODS AND COMPOUNDS FOR PREPARING 3ALPHA-OXYGEN SUBSTITUTED STEROIDS

#10
20100311702
2010-12-09

19-NOR-STEROID DERIVATIVES WITH A 15ALPHA, 16ALPHA-METHYLENE GROUP AND A SATURATED 17, 17-SPIRO-LACTONE RING, USE THEREOF, AND MEDICAMENTS CONTAINING SAID DERIVATIVES

#11
20100261896
2010-10-14

Methods for the preparation of drospirenone

#12
20100209967
2010-08-19

Process for the synthesis of 9α-hydroxy-steroids

#13
20100184735
2010-07-22

Locally active “soft” antiandrogens

#14
20100048887
2010-02-25

Dehydroandrosterone analogs including an anti-inflammatory pharmacore and methods of use

#15
20080090792
2008-04-17

Selective glucocorticoid receptor agonists

#16
20080027237
2008-01-31

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

#17
20070066580
2007-03-22

Novel aldosterone antagonists and uses thereof

#18
20070060746
2007-03-15

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

#19
20050256094
2005-11-17

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

#20
20050239761
2005-10-27

Keto-substituted steroid compounds

#21
20050159594
2005-07-21

Eplerenone crystal form exhibiting enhanced dissolution rate