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JPS5032158A |
1478679 Electrolytic reduction of #1,3,5(10)- to #2'5(10)-steroids SCHERING AG 17 July 1974 [18 July 1973] 31660/74 Heading C2U [Also in Division C7] #2'5(10)-Steroids containing an etherified hydroxy group in the 3-position are prepared...
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JPS5024262A |
The invention relates to novel 7-substituted-steroids of the oestrane series of the general formula:
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JPS49125354A |
1460163 Compositions containing steroids G D SEARLE & CO 8 March 1974 [9 March 1973] 10469/74 Heading A5B [Also in Division C2] Diuretic compositions comprise the steroid of the formula and suitable carriers. The steroid has the capacity...
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JPS4939258B1 |
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JPS4986358A |
1417808 7α-cyano and 7α-carboxy steroids G D SEARLE & CO 19 Nov 1973 [1 Dec 1972] 53632/73 Heading C2U Novel steroids of the formulµ (wherein #1 is optional; R is CH 3 or, when #1 is absent, it may also be H; and Z is H, an alkali met...
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JPS4985061A |
1440064 A8(9)-Steroids of the pregnane series GLAXO LABORATORIES Ltd 10 Aug 1973 [11 Aug 1972] 37656/72 Heading C2U [Also in Division A5] Novel steroids of the formula wherein R 1 is -COC 2 H 5 or -COC 3 H 7 (n- or iso-) and R 2 is H, -C...
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JPS4972243A |
The present invention relates to an improved process for the manufacture of beta -(3-oxo-7 alpha -thioacyl-17 beta -hydroxy-4-androsten-17 alpha -yl)-propionic acid gamma -lactones, in which a beta -(3-oxo-17 beta -hydroxy-4,6-androstadi...
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JPS4970956A |
The present invention relates to an improved process for the manufacture of beta -(3-oxo-7 alpha -thioacyl-17 beta -hydroxy-4-androstene-17 alpha -yl)-propionic acid gamma -lactones in which a beta -(3-oxo-17 beta -hydroxy-4,6-androstadi...
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JPS4970957A |
1450425 Spironolactone and antecedents thereof HOECHST AG 4 Oct 1973 [5 Oct 1972] 46390/73 Heading C2U The invention comprises compound II and its preparation and conversion into spironolactone (V) as shown. The starting material I is pr...
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JPS4969617A |
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JPS4925269B1 |
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JPS4943962A |
1444272 Spironolactone and precursors thereof HOECHST AG 27 July 1973 [28 July 1972] 35779/73 Heading C2U The invention comprises: (A) compounds of formula which contain either (i) #5 or #4'6-unsaturation, in which case R 1 is OH, alkoxy...
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JPS495354B1 |
1336434 14,18-Epoxyethanoimino steroids J R GEIGY AG 23 Oct 1970 [24 Oct 1969 24 July 1970] 50425/70 Heading C2U The invention relates to compounds of formula wherein R 1 is H, C 1-8 alkyl or benzyl; R 2 is H 2 or oxo; R 3 is free or ket...
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JPS493984B1 |
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JPS49179B1 |
The invention comprises compounds of formula wherein X is a chlorine or bromine atom and R is a hydrogen atom or an acyl group, and the process for preparing 9(11)-dehydro-12-desoxyspirotanes by reducing a 9(11)-dehyd...
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JPS4840358B1 |
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JPS4848460A |
1410767 Androsten-17α-ol derivatives GISTBROCADES NV 18 Oct 1972 [19 Oct 1971] 48648/71 Heading C2U The invention comprises compounds of formula wherein the 8,14-bond is saturated, in which case R 1 is H, Me or halo, or unsaturated, in ...
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JPS4840762A |
1356716 17 - Hydroxy - 7α - mercapto - 3- oxo - 17α - pregn - 4 - ene - 21 - carboxylic acid gamma lactone G D SEARLE & CO 29 Sept 1972 [30 Sept 1971] 45207/72 Heading C2U The novel title compound is prepared by alkaline hydrolysis of ...
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JPS4815289B1 |
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