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US4386085A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel steroids

Assignee: Population Council
•
Filing: 1982-01-08
•
Granted: 1983-05-31
•
Expires: 2002-01-08
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Abstract

Abstract Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula <IMAGE> I' 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 atom immediately adjacent to the 11-carbon atom being carbon, R2 is a hydrocarbon of 1 to 8 carbon atoms, X is selected from the group consisting of a pentagonal ring and a hexagonal ring optionally substituted and optionally containing a double bond, B and C together form a double bond or an epoxy group, the C=A group at position 3 is selected from the group consisting of C=O, ketal, <IMAGE> -C=NOH, -C=NOAlK3 and =CH2, AlK1, AlK2 and AlK3 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having anti-glucocorticoid activity and a process for their preparation.

Inventors

  • 👤 Jean G. Teutsch
  • 👤 Germain Costerousse
  • 👤 Daniel Philibert
  • 👤 Roger Deraedt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:24
CPC Classifications
C; C07; C07J; C07J41/00; C07J41/0005; C07J41/0016; C07J1/00; A; A61; A61P; A61P25/00; A61P25/20; A61P3/00; A61P3/08; A61P37/00; A61P37/02; A61P37/04; A61P43/00; A61P5/00; A61P5/38; A61P9/00; A61P9/10; A61P9/12; C07J21/00; C07J21/005; C07J21/006; C07J41/0033; C07J41/0077; C07J41/0083; C07J43/00; C07J43/003; C07J51/00; C07J63/00; C07J63/008; C07J7/00; C07J7/0005; C07J71/00; C07J71/0005; C07J71/001

Claims Analysis

Total Claims: 48
Claim 1
Independent Claim 162 words
A compound selected form the group consisting of 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR99## wherein R 1 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 atom immediately adjacent to the 11-carbon atom being carbon, R 2 is a hydrocarbon of 1 to 8 carbon atoms, X is selected from the group consisting of a pentagonal ring and a hexagonal ring optionally substituted and optionally containing a double bond, B and C together form a double bond or an epoxy group, the C═A group at position 3 is selected from the group consisting of C═O, ketal, ##STR100## --C═NOH, --C═NOAlK 3 and ═CH 2 , AlK 1 , AlK 2 and AlK 3 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts.
Claim 2
Dependent Claim 162 words
A compound selected form the group consisting of 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR99## wherein R 1 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 atom immediately adjacent to the 11-carbon atom being carbon, R 2 is a hydrocarbon of 1 to 8 carbon atoms, X is selected from the group consisting of a pentagonal ring and a hexagonal ring optionally substituted and optionally containing a double bond, B and C together form a double bond or an epoxy group, the C═A group at position 3 is selected from the group consisting of C═O, ketal, ##STR100## --C═NOH, --C═NOAlK 3 and ═CH 2 , AlK 1 , AlK 2 and AlK 3 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts.
Claim 3
Dependent Claim 13 words
A compound of claim 1 wherein B and C form a double bond.
Claim 4
Dependent Claim 12 words
A compound of claim 1 or 2 wherein R 2 is methyl.
Claim 5
Dependent Claim 270 words
A compound of claim 1, 2 or 3 wherein X and the carbons to which it is attached form the ring of the formula ##STR101## wherein R 2 has the above definition, the dotted line in the 16,17-position is an optional double bond, Y is the group ##STR102## n is 1 or 2, R 5 is selected from the group consisting of hydrogen of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms, aryl of 6 to 14 carbon atoms and aralkyl of 7 to 15 carbon atoms, R 6 may be the same as R 5 and may be selected from the same group of members are R 5 or --OH, R 3 and R 4 are individually selected from the group consisting of hydrogen, --OH, --OAlK 4 , --OCOAlK 5 , alkenyl and alkynyl of 2 to 8 carbon atoms, ##STR103## and --CN wherein AlK 4 , AlK 5 and AlK 8 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms, AlK 6 is selected from the group consisting of optionally substituted alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and AlK 7 is alkyl of 1 to 8 carbon atoms and R 3 and R 4 form the group ##STR104## and Z 1 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 1 to 8 carbon atoms and Z 2 is alkyl of 1 to 8 carbon atoms.
Claim 6
Dependent Claim 22 words
A compound of claim 4 wherein the D ring is saturated, R 5 and R 6 are hydrogen and n is 1.
Claim 7
Dependent Claim 11 words
A compound of claim 1 wherein the C═A group is C═O.
Claim 8
Dependent Claim 23 words
A compound of claim 1 wherein R 1 is a hydrocarbon of 1 to 18 carbon atoms containing at least one nitrogen atom.
Claim 9
Dependent Claim 51 words
A compound of claim 7 wherein R 1 is a primary, secondary or tertiary alkyl of 1 to 8 carbon atoms containing at least one heteroatom of the group consisting of nitrogen, sulfur and oxygen at least one being nitrogen or substituted with a heterocycle containing at least one nitrogen atom.
Claim 10
Dependent Claim 27 words
A compound of claim 7 wherein R 1 is heterocycle containing at least one nitrogen atom optionally substituted with an alkyl of 1 to 8 carbon atoms.
Claim 11
Dependent Claim 74 words
A compound of claim 7 wherein R 1 is aryl or aralkyl containing the group ##STR105## wherein R 7 and R 8 are alkyl of 1 to 8 carbon atoms or primary, secondary or tertiary alkyl of 1 to 8 carbon atoms containing at least one heteroatom of the group consisting of nitrogen, sulfur and oxygen of which at least one is nitrogen or substituted with a heterocycle containing at least one nitrogen atom.
Claim 12
Dependent Claim 19 words
A compound of claim 10 wherein R 1 is selected from the group consisting of 2-pyridyl, 3-pyridyl, 4-pyridyl, ##STR106##
Claim 13
Dependent Claim 13 words
A compound of claim 1 wherein R 1 contains an oxidized nitrogen atom.
Claim 14
Dependent Claim 42 words
A compound of claim 1 selected from the group consisting of 11β-[4-(N,N-dimethylaminoethoxy)-phenyl]-17α-(prop-1-ynyl)-.DELTA. 4 ,9 -estradiene-17β-ol-3-one, 11β-[4-(N,N-dimethylamino)-phenyl]-17α-(prop-1-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one, N-oxide of 11β-[4-(N,N-dimethylamino)-phenyl]-21-chloro-19-nor-Δ 4 ,9 -pregnadiene-20-yne-17β-ol-3-one, N-oxide of 9α,10α-epoxy-11β-[4-(N,N-dimethylamino)-phenyl]-21-chloro-19-nor-17α-Δ 4 -pregnene-20-yne-17β-ol-3-one, 11β-[4-(N,N-dimethylamino)phenyl]-17α-(prop-2-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one, N-oxide of 11β-[4-(N,N-dimethylamino)-phenyl]-17α-(prop-1-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one and their non-toxic, pharmaceutically acceptable acid addition salts.
Claim 15
Dependent Claim 360 words
A process for the preparation of a compound of claim 1 comprising reacting a compound of the formula ##STR107## wherein K is a ketone blocked in the form of a ketal, thioketal, oxime or methyloxime and R 1 , R 2 and X have the above definitions with a dehydration agent capable of freeing the ketone group to form a compound of the formula ##STR108## and either reacting the latter with a ketalization agent to obtain a compound of the formula ##STR109## or reacting the compound of formula I A ' with NH 2 OH or NH 2 OAlK 3 wherein AlK 3 has the above definition to obtain a compound of the formula ##STR110## wherein R is hydrogen or AlK 3 or reacting a compound of formula I A ' with a reducing agent capable of selectively reducing the 3-keto group to obtain a compound of the formula ##STR111## and reacting the latter with an etherification agent capable of introducing AlK 1 to obtain a compound of the formula ##STR112## or reacting the compound of formula I D ' with an esterification agent capable of introducing COAlK 2 to obtain a compound of the formula ##STR113## or transforming the compound of formula I A ' by known methods to a compound wherein the C═A group is CH 2 -- and optionally reacting a compound of formula I A ', I B ', I C ', I D ', I E ' or I F ' with an acid to form the corresponding acid addition salt or with an oxidation agent to obtain when R 1 is a radical containing a nitrogen atom a compound having in the 11β-position a radical wherein the nitrogen atom is in the oxide form and B and C optionally form an epoxide bridge or when R 1 does not contain a nitrogen atom, a compound where B and C form an epoxide bridge and when the compound contains the nitrogen oxide and the B and C group form an epoxide bridge, selectively reducing the oxidized nitrogen atom in R 1 and optionally reacting the latter with an acid to form the acid addition salt.
Claim 16
Dependent Claim 268 words
A process of claim 16 wherein X and the carbons to which it is attached form the ring of the formula ##STR114## wherein R 2 has the above definition, the dotted line in the 16,17-position is an optional double bond, Y is the group ##STR115## n is 1 or 2, R 5 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms, aryl of 6 to 14 carbon atoms and aralkyl of 7 to 15 carbon atoms, R 6 may be the same as R 5 and may be selected from the same group of members as R 5 or --OH, R 3 and R 4 are individually selected from the group consisting of hydrogen, --OH, --OAlK 4 , --OCOAlK 5 , alkenyl and alkynyl of 2 to 8 carbon atoms, ##STR116## and --CN wherein AlK 4 , AlK 5 and AlK 8 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms, AlK 6 is selected from the group consisting of optionally substituted alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and AlK 7 is alkyl of 1 to 8 carbons atoms and R 3 and R 4 form the group ##STR117## and Z 1 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 1 to 8 carbon atoms and Z 2 is alkyl of 1 to 8 carbon atoms.
Claim 17
Dependent Claim 90 words
A process for the preparation of a compound of the formula ##STR118## wherein R 1 , R 2 and X have the definition of claim 1 and K is selected from the group consisting of ketal, thioketal, oxime and methyloxime wherein a compound of the formula ##STR119## is reacted with a compound selected from the group consisting of LiCu (R 1 ) 2 , LiR 1 and R 1 Mg Hal wherein R 1 has the above definition and Hal is a halogen in the presence of a cuprous halide.
Claim 18
Dependent Claim 259 words
A process for the preparation of a compound of the formula ##STR120## wherein R 1 , R 2 and K have the above definitions, R 3 ' is selected from the group consisting of --OH and OR c , R c is the residue AlK 4 of an ether group or COAlK 5 of an ester group, AlK 4 and AlK 5 having the above definitions, and R 4 ' is hydrogen or alkenyl or alkynyl of 2 to 8 carbon atoms comprising reacting a compound of the formula ##STR121## with a compound selected from the group consisting of LiCu(R 1 ) 2 , R 1 Li and R 1 Mg Hal wherein R 1 and Hal have the above definitions in the presence of a cuprous halide to obtain a compound of the formula ##STR122## and either reducing the latter to obtain the corresponding 17-ol compound or with an appropriate magnesium to obtain the corresponding 17α-substituted-17β-ol steroid or with an organometallic derivative such as a lithium or potassium derivative to obtain the corresponding 17α-substituted-17β-ol steroid or with a cyanuration agent to obtain the corresponding 17α-ol-17β-cyano steroid, protecting the hydroxy group and reacting the latter with an organometallic compound as discussed above to obtain the corresponding 17α-substituted-17β-ol steroid and in the case of one of the compounds obtained is 17-hydroxylated, reacting it with an etherification agent or esterification agent and in the case when one of the compounds contains a 17 substituent with a triple bond reacting the latter with a reducing agent to obtain the corresponding ethylenic derivative.
Claim 19
Dependent Claim 259 words
A process for the preparation of a compound of the formula ##STR120## wherein R 1 , R 2 and K have the above definitions, R 3 ' is selected from the group consisting of --OH and OR c , R c is the residue AlK 4 of an ether group or COAlK 5 of an ester group, AlK 4 and AlK 5 having the above definitions, and R 4 ' is hydrogen or alkenyl or alkynyl of 2 to 8 carbon atoms comprising reacting a compound of the formula ##STR121## with a compound selected from the group consisting of LiCu(R 1 ) 2 , R 1 Li and R 1 Mg Hal wherein R 1 and Hal have the above definitions in the presence of a cuprous halide to obtain a compound of the formula ##STR122## and either reducing the latter to obtain the corresponding 17-ol compound or with an appropriate magnesium to obtain the corresponding 17α-substituted-17β-ol steroid or with an organometallic derivative such as a lithium or potassium derivative to obtain the corresponding 17α-substituted-17β-ol steroid or with a cyanuration agent to obtain the corresponding 17α-ol-17β-cyano steroid, protecting the hydroxy group and reacting the latter with an organometallic compound as discussed above to obtain the corresponding 17α-substituted-17β-ol steroid and in the case of one of the compounds obtained is 17-hydroxylated, reacting it with an etherification agent or esterification agent and in the case when one of the compounds contains a 17 substituent with a triple bond reacting the latter with a reducing agent to obtain the corresponding ethylenic derivative.
Claim 20
Dependent Claim 37 words
A compound selected from the group consisting of ##STR123## wherein R 1 , R 2 and X have the definition of claim 1 and K is selected from the group consisting of ketal, thioketal, oxime and methyloxime.
Claim 21
Dependent Claim 39 words
A compound of claim 18 selected from the group consisting of 3,3-[1,2-ethanediyl-bisoxy]-11β-[4-trimethylsilylphenyl]-17α-(prop-1-ynyl)-Δ 9 -estrene-5α,17β-diol, 3,3-[1,2-ethanediyl-bisoxy]-11β-(4-pyridyl)-17α-(prop-1-ynyl)-.DELTA. 9 -estrene-5α,17β-diol, 3,3-[1,2-ethanediyl-bisoxy]-11β-[3-(N,N-dimethylamino)-propyl]-17.alpha.-(prop-1-ynyl)-Δ 9 -estrene-5α,17β-diol, 3,3-[1,2-ethanediyl-bisoxy]-11β-[4-(N,N-dimethylamino)-phenyl]-17.alpha.-(prop-1-ynyl)-Δ 9 -estrene-5α,17β-diol, 3,3-[1,2-ethanediyl-bisoxy]-11β-[4-(N,N-dimethylaminoethoxy)-phenyl]-17α-(prop-1-ynyl)-Δ 9 -estrene-5α,17β-diol, 3,3-[1,2-ethanediyl-bisoxy]-11β-[4-(N,N-dimethylamino)-phenyl]-21-chloro-19-nor-17α-Δ 9 -pregnene-20-yne-5α,17β-diol and 3,3-[1,2-ethanediyl-bisoxy]-11β-[4-(N,N-dimethylamino)-phenyl]-17.alpha.-(prop-2-ynyl)-Δ 9 -estrene-5α,17β-diol, 3,3-/1,2-ethane dilyl-bisoxy/-5α, 10α-epoxy-17α-(prop-1-ynyl)Δ 9 (11) -estrene-17β-ol.
Claim 22
Dependent Claim 20 words
An antiglucocorticoid composition comprising an antiglucocorticoidally effective amount of at least one compound of claim 1 and an inert carrier.
Claim 23
Dependent Claim 13 words
A composition of claim 20 wherein B and C form a double bond.
Claim 24
Dependent Claim 10 words
A composition of claim 20 wherein R 2 is methyl.
Claim 25
Dependent Claim 267 words
A composition of claim 20 wherein X and the carbons to which it is attached form the ring of the formula ##STR124## wherein R 2 has the above definition, the dotted line in the 16,17-position is an optional double bond, Y is the group ##STR125## n is 1 or 2, R 5 is selected from the group consisting of hydrogen of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms, aryl of 6 to 14 carbon atoms and aralkyl of 7 to 15 carbon atoms, R 6 may be the same as R 5 and may be selected from the same group of members as R 5 or --OH, R 3 and R 4 are individually selected from the group consisting of hydrogen, --OH, --OAlK 4 , --OCOAlK 5 , alkenyl and alkynyl of 2 to 8 carbon atoms, ##STR126## and --CN wherein AlK 4 , AlK 5 and AlK 8 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms, AlK 6 is selected from the group consisting of optionally substituted alkyl of 1 to 8 carbon atoms and aralkyl to 7 to 15 carbon atoms and AlK 7 is alkyl of 1 to 8 carbon atoms and R 3 and R 4 form the group ##STR127## and Z 1 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 1 to 8 carbon atoms and Z 2 is alkyl of 1 to 8 carbon atoms.
Claim 26
Dependent Claim 22 words
A composition of claim 23 wherein the D ring is saturated, R 5 and R 6 are hydrogen and n is 1.
Claim 27
Dependent Claim 11 words
A composition of claim 20 wherein the C═A group is C═O.
Claim 28
Dependent Claim 23 words
A composition of claim 20 wherein R 1 is a hydrocarbon of 1 to 18 carbon atoms containing at least one nitrogen atom.
Claim 29
Dependent Claim 51 words
A composition of claim 26 wherein R 1 is a primary, secondary or tertiary alkyl of 1 to 8 carbon atoms containing at least one heteroatom of the group consisting of nitrogen, sulfur and oxygen at least one being nitrogen or substituted with a heterocycle containing at least one nitrogen atom.
Claim 30
Dependent Claim 27 words
A composition of claim 26 wherein R 1 is heterocycle containing at least one nitrogen atom optionally substituted with an alkyl of 1 to 8 carbon atoms.
Claim 31
Dependent Claim 74 words
A composition of claim 26 wherein R 1 is aryl or aralkyl containing the group ##STR128## wherein R 7 and R 8 are alkyl of 1 to 8 carbon atoms or primary, secondary or tertiary alkyl of 1 to 8 carbon atoms containing at least one heteroatom of the group consisting of nitrogen, sulfur and oxygen of which at least one is nitrogen or substituted with a heterocycle containing at least one nitrogen atom.
Claim 32
Dependent Claim 19 words
A composition of claim 29 wherein R 1 is selected from the group consisting of 2-pyridyl, 3-pyridyl, 4-pyridyl, ##STR129##
Claim 33
Dependent Claim 13 words
A composition of claim 20 wherein R 1 contains an oxidized nitrogen atom.
Claim 34
Dependent Claim 47 words
The composition of claim 20 wherein the active compound is selected from the group consisting of 11β-[4-(N,N-dimethylaminoethoxy)-phenyl]-17α-(prop-1-ynyl)-.DELTA. 4 ,9 -estradiene-17β-ol-3-one, 11β-[4-(N,N-dimethylamino)-phenyl]-17α-(prop-1-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one, N-oxide of 11β-[4-(N,N-dimethylamino)-phenyl]-21-chloro-19-nor-Δ 4 ,9 -pregnadiene-20-yne-17β-ol-3-one, N-oxide of 9α,10α-epoxy-11β-[4-(N,N-dimethylamino)-phenyl]-21-chloro-19-nor-17α-Δ 4 -pregnene-20-yne-17β-ol-3-one, 11β-[4-(N,N-dimethylamino)-phenyl]-17α-(prop-2-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one, N-oxide of 11β-[4-(N,N-dimethylamino)-phenyl]-17α-(prop-1-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one and their non-toxic, pharmaceutically acceptable acid addition salts.
Claim 35
Dependent Claim 26 words
A method of inducing antiglucocorticoid activity in warm-blooded animals comprising administering to warm-blooded animals an antiglucocorticoidally effective amount of at least one compound of claim 1.
Claim 36
Dependent Claim 13 words
A method of claim 33 wherein B and C form a double bond.
Claim 37
Dependent Claim 10 words
A method of claim 33 wherein R 2 is methyl.
Claim 38
Dependent Claim 267 words
A method of claim 33 wherein X and the carbons to which it is attached form the ring of the formula ##STR130## wherein R 2 has the above definition, the dotted line in the 16,17-position is an optional double bond, Y is the group ##STR131## n is 1 or 2, R 5 is selected from the group consisting of hydrogen of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms, aryl of 6 to 14 carbon atoms and aralkyl of 7 to 15 carbon atoms, R 6 may be the same as R 5 and may be selected from the same group of members as R 5 or --OH, R 3 and R 4 are individually selected from the group consisting of hydrogen, --OH, --OAlK 4 , --OCOAlK 5 , alkenyl and alkynyl of 2 to 8 carbon atoms, ##STR132## and --CN wherein AlK 4 , AlK 5 and AlK 8 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms, AlK 6 is selected from the group consisting of optionally substituted alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and AlK 7 is alkyl of 1 to 8 carbon atoms and R 3 and R 4 form the group ##STR133## and Z 1 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 1 to 8 carbon atoms and Z 2 is alkyl of 1 to 8 carbon atoms.
Claim 39
Dependent Claim 22 words
A method of claim 36 wherein the D ring is saturated, R 5 and R 6 are hydrogen and n is 1.
Claim 40
Dependent Claim 11 words
A method of claim 33 wherein the C═A group is C═O.
Claim 41
Dependent Claim 23 words
A method of claim 33 wherein R 1 is a hydrocarbon of 1 to 18 carbon atoms containing at least one nitrogen atom.
Claim 42
Dependent Claim 51 words
A method of claim 39 wherein R 1 is a primary, secondary or tertiary alkyl of 1 to 8 carbon atoms containing at least one heteroatom of the group consisting of nitrogen, sulfur and oxygen at least one being nitrogen or substituted with a heterocycle containing at least one nitrogen atom.
Claim 43
Dependent Claim 27 words
A method of claim 39 wherein R 1 is heterocycle containing at least one nitrogen atom optionally substituted with an alkyl of 1 to 8 carbon atoms.
Claim 44
Dependent Claim 74 words
A method of claim 39 wherein R 1 is aryl or aralkyl containing the group ##STR134## wherein R 7 and R 8 are alkyl of 1 to 8 carbon atoms or primary, secondary or tertiary alkyl of 1 to 8 carbon atoms containing at least one heteroatom of the group consisting of nitrogen, sulfur and oxygen of which at least one is nitrogen, or substituted with a heterocycle containing at least one nitrogen atom.
Claim 45
Dependent Claim 19 words
A method of claim 42 wherein R 1 is selected from the group consisting of 2-pyridyl, 3-pyridyl, 4-pyridyl, ##STR135##
Claim 46
Dependent Claim 13 words
A method of claim 33 wherein R 1 contains an oxidized nitrogen atom.
Claim 47
Dependent Claim 20 words
A compound of claim 1 selected from the group consisting of 11β-[4-(N,N-dimethylamino)-phenyl]-17α-(prop-1-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one and its non-toxic, pharmaceutically-acceptable acid addition salts.
Claim 48
Dependent Claim 25 words
A method of claim 33 wherein the compound is selected from the group consisting of 11β-[4,-(N,N-dimethylamino)-phenyl]-17α-(prop-1-ynyl)-Δ.sup.4,9 -estradiene-17β-ol-3-one and its non-toxic, pharmaceutically acceptable acid addition salts.

References Cited (Backward Citations)

US4147695A Cited
US4233296A Cited

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