C07JSTEROIDS seco-steroids C07C This subclass covers compounds containing a cyclopenta[a]hydrophenanthrene skeleton or a ring structure derived therefrom: by contraction or expansion of one ring by one or two atoms; by contraction or expansion of two rings each by one atom; by contraction of one ring by one atom and expansion of one ring by one atom; by substitution of one or two carbon atoms of the cyclopenta[a]hydrophenanthrene skeleton, which are not shared by rings, by hetero atoms, in combination with the above defined contraction or expansion or not, or; by condensation with carbocyclic or heterocyclic rings in combination with one or more of the foregoing alterations or not. In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. C07J1/00Normal steroids, i.e. cyclopenta(a)hydrophenanthrenes, containing carbon, hydrogen, halogen or oxygen C07J1/00Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane C07J1/0003Androstane derivatives C07J1/0007not substituted in position 17 C07J1/0011substituted in position 17 by a keto group C07J1/0014substituted in position 17 alfa, not substituted in position 17 beta C07J1/0018substituted in position 17 beta, not substituted in position 17 alfa C07J1/0022the substituent being an OH group free esterified or etherified C07J1/0025Esters C07J1/0029Ethers C07J1/0033substituted in position 17 alfa and 17 beta C07J1/0037the substituent in position 17 alfa being a saturated hydrocarbon group C07J1/004the substituent in position 17 alfa being an unsaturated hydrocarbon group C07J1/0044Alkenyl derivatives C07J1/0048Alkynyl derivatives C07J1/0051Estrane derivatives C07J1/0055not substituted in position 17 C07J1/0059substituted in position 17 by a keto group C07J1/0062substituted in position 17 alfa not substituted in position 17 beta C07J1/0066substituted in position 17 beta not substituted in position 17 alfa C07J1/007the substituent being an OH group free esterified or etherified C07J1/0074Esters C07J1/0077Ethers C07J1/0081Substituted in position 17 alfa and 17 beta C07J1/0085the substituent in position 17 alfa being a saturated hydrocarbon group C07J1/0088the substituent in position 17 alfa being an unsaturated hydrocarbon group C07J1/0092Alkenyl derivatives C07J1/0096Alkynyl derivatives C07J3/00Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom C07J3/005the carbon atom being part of a carboxylic function C07J5/00Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond C07J5/0007not substituted in position 17 alfa C07J5/0015not substituted in position 16 C07J5/0023substituted in position 16 C07J5/003by a saturated or unsaturated hydrocarbon group including 16-alkylidene substitutes C07J5/0038by an alkyl group C07J5/0046substituted in position 17 alfa C07J5/0053not substituted in position 16 C07J5/0061substituted in position 16 C07J5/0069by a saturated or unsaturated hydrocarbon group C07J5/0076by an alkyl group C07J5/0084by an alkylene group C07J5/0092by an OH group free esterified or etherified C07J7/00Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms C07J5/00 takes precedence C07J7/0005not substituted in position 21 C07J7/001substituted in position 20 by a keto group C07J7/0015not substituted in position 17 alfa C07J7/002not substituted in position 16 C07J7/0025substituted in position 16 C07J7/003by a saturated or unsaturated hydrocarbon group C07J7/0035by a hydroxy group free esterified or etherified C07J7/004substituted in position 17 alfa C07J7/0045not substituted in position 16 C07J7/005substituted in position 16 C07J7/0055by a saturated or unsaturated hydrocarbon group C07J7/006by a hydroxy group free esterified or etherified C07J7/0065substituted in position 20 by an OH group free esterified or etherified C07J7/007not substituted in position 17 alfa C07J7/0075substituted in position 17 alfa C07J7/008substituted in position 21 C07J7/0085by an halogen atom C07J7/009by only one oxygen atom doubly bound C07J7/0095carbon in position 21 is part of carboxylic group C07J9/00Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane C07J9/005containing a carboxylic function directly attached or attached by a chain containing only carbon atoms to the cyclopenta[a]hydrophenanthrene skeleton C07J11/00Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 3 C07J13/00Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17 for carbonyl groups C07J1/00 C07J13/002with double bond in position 13 (17) C07J13/005with double bond in position 16 (17) C07J13/007with double bond in position 17 (20) C07J15/00Stereochemically pure steroids containing carbon, hydrogen, halogen or oxygen having a partially or totally inverted skeleton, e.g. retrosteroids, L-isomers C07J15/005Retrosteroids (9 beta 10 alfa) C07J17/00Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton cardanolide, bufanolide C07J19/00 C07J17/005Glycosides C07J19/00Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 by a lactone ring C07J19/005Glycosides C07J21/00Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton C07J21/001Lactones C07J21/003at position 17 C07J21/005Ketals C07J21/006at position 3 C07J21/008at position 17 C07J31/00Normal steroids, i.e. cyclopenta(a)hydrophenanthrenes, containing sulfur C07J31/00Normal steroids containing one or more sulfur atoms not belonging to a hetero ring C07J31/003the S atom directly linked to a ring carbon atom of the cyclopenta(a)hydrophenanthrene skeleton C07J31/006not covered by C07J31/003 C07J33/00Normal steroids having a sulfur-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton C07J33/002not condensed C07J33/005spiro-condensed C07J33/007Cyclic thioketals C07J41/00Normal steroids, i.e. cyclopenta(a)hydrophenanthrenes, containing nitrogen C07J41/00Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring C07J41/0005the nitrogen atom being directly linked to the cyclopenta(a)hydro phenanthrene skeleton C07J41/0011Unsubstituted amino radicals C07J41/0016Oximes C07J41/0022Isocyanates; Isothiocyanates C07J41/0027Azides C07J41/0033not covered by C07J41/0005 In groups C07J41/0038 - C07J41/0094 all references to substituents in position 17-beta of the steroid skeleton include substituents at the 17-position when there is a double bond to or from position 17, and all references to an amide group include all nitrogen substituted carbonyl groups C07J41/0038with an androstane skeleton, including 18- or 19-substituted derivatives, 18-nor derivatives and also derivatives where position 17-beta is substituted by a carbon atom not directly bonded to a further carbon atom and not being part of an amide group C07J41/0044with an estrane or gonane skeleton, including 18-substituted derivatives and derivatives where position 17-beta is substituted by a carbon atom not directly bonded to another carbon atom and not being part of an amide group C07J41/005the 17-beta position being substituted by an uninterrupted chain of only two carbon atoms, e.g. pregnane derivatives C07J41/0055the 17-beta position being substituted by an uninterrupted chain of at least three carbon atoms which may or may not be branched, e.g. cholane or cholestane derivatives, optionally cyclised, e.g. 17-beta-phenyl or 17-beta-furyl derivatives C07J41/0061one of the carbon atoms being part of an amide group C07J41/0066the 17-beta position being substituted by a carbon atom forming part of an amide group C07J41/0072the A ring of the steroid being aromatic C07J41/0077substituted in position 11-beta by a carbon atom, further substituted by a group comprising at least one further carbon atom C07J41/0083substituted in position 11-beta by an optionally substituted phenyl group not further condensed with other rings C07J41/0088containing unsubstituted amino radicals C07J41/0094containing nitrile radicals, including thiocyanide radicals C07J43/00Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton C07J43/003not condensed C07J43/006spiro-condensed C07J51/00Normal steroids with unmodified cyclopenta(a)hydrophenanthrene skeleton not provided for in groups C07J1/00 - C07J43/00 C07J53/00Steroids 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 C07J53/001spiro-linked C07J53/002Carbocyclic rings fused C07J53/0043 membered carbocyclic rings C07J53/005in position 12 C07J53/007in position 6-7 C07J53/008in position 15/16 C07J61/00Nor- or homo steroids C07J61/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of only one ring by one or two atoms C07J63/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms C07J63/002Expansion of ring A by one atom, e.g. A homo steroids C07J63/004Expansion of ring B by one atom, e.g. B homo steroids C07J63/006Expansion of ring C by one atom, e.g. C homo steroids C07J63/008Expansion of ring D by one atom, e.g. D homo steroids C07J65/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of two rings, each by one atom C07J67/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of two rings, each by one atom C07J69/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of only one ring by one atom and expansion of only one ring by one atom C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring spiro-condensed heterocyclic rings C07J21/00, C07J33/00, C07J43/00 C07J71/0005Oxygen-containing hetero ring C07J71/001Oxiranes C07J71/0015at position 9(11) C07J71/0021at position 14(15) C07J71/0026cyclic ketals C07J71/0031at positions 16, 17 C07J71/0036Nitrogen-containing hetero ring C07J71/0042Nitrogen only C07J71/0047at position 2(3) C07J71/0052at position 16(17) C07J71/0057Nitrogen and oxygen C07J71/0063at position 2(3) C07J71/0068at position 16(17) C07J71/0073Sulfur-containing hetero ring C07J71/0078containing only sulfur C07J71/0084Episulfides C07J71/0089containing sulfur and oxygen C07J71/0094containing sulfur and nitrogen C07J73/00Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms C07J73/001by one hetero atom C07J73/003by oxygen as hetero atom C07J73/005by nitrogen as hetero atom C07J73/006by sulfur as hetero atom C07J73/008by two hetero atoms C07J75/00Processes for the preparation of steroids in general C07J75/005Preparation of steroids by cyclization of non-steroid compounds