baber/WOPTO huggingface dataset:
Patent HU-210592-B (HU)
Title: Method for surface bonding of ceramic bodies
Inventor: NEWKIRK MARC STEVENS
IPC: C04B37/00
Filed: 1988-05-20
Abstract: Two or more ceramic bodies (10,12) are bonded together by oxidizing with a vapor-phase oxidant molten metal obtained from a body of precursor metal (14) to form an oxidation reaction product bond. The oxidation reaction product is formed between adjacent facing, substantially congruent surfaces of the ceramic bodies (10,12) and bridges the surfaces, thus bonding the ceramic bodies (10,12) to each other. Promoters may optionally be used to facilitate formation of the oxidation reaction product.
Patent HU-183618-B (HU)
Inventor: TOTH ISTVAN
Filed: 1981-10-13
Abstract: A javaslat tárgya berendezés műanyagcső folyamatos gyártására, amelynek műanyagszemcseadagoló egységgel és hőkezelőegységgel társított továbbítószerkezete és ehhez csatlakozó formázóegysége van. A javaslat lényege, hogy a formázóegységnek a hosszközépvonal mentén egymás után elrendezett legalább három alakítógörgő-páija van, ezek közül a mellső a műanyagszalag széleit felfelé hajlítani képes, kúpszerű görgőkből, a középső a műanyagszalagot U-alakúra deformálni képes, ívelt alkotójú görgőkből, a hátsó pedig félkör-alkotójú görgőkből áll, továbbá a formázóegység legalább a középső és a hátsó alakítógörgő-pár között az alakítógörgő-párokkal együttműködő, központi alakítótüskével van ellátva.
Patent HU-185230-B (HU)
Title: Process for producing pharmacologically active encephaline analogous peptides
Inventor: GESELLCHEN PAUL D
IPC: A61P25/04
Filed: 1980-12-16
Abstract: Compoundsoftheformula
     and pharmaceutically acceptable non-toxic acid addition salts thereof, in which L and D define the chirality;
     R 1  is hydrogen or C 1 -C 3  primary alkyl;   R, is C 1 -C 4  primary or secondary alkyl, allyl, cyclopropylmethyl, C 1 -C 2  hydroxyalkyl, or -(CH 2 ) -U-CH in which U is -S- or 2 3
         and m is 1 or2; R 3  is hydrogen, C 1 -C 4  primary or secondary alkyl, cyclopropylmethyl, or allyl;   X is hydrogen, halo, hydroxy, C 1 -C 3  alkoxy, nitro, C 1 -C 3  alkyl, or trifluoromethyl; and   Z i 5
     in which R, is hydrogen or C 1 -C 3  alkyl and R, is C 1 -C 3  alkyl; are useful analgesic agents. These compounds of formula I are prepared by deblocking the corresponding blocked compound of formula I by conventional methods.
Patent HU-192422-B (HU)
Inventor: SEMSEY ANDRAS
IPC: A24B3/04
Filed: 1984-08-27
Abstract: A találmány dohánylevél szárító berendezésre vonatkozik, amely főként kisgazdaságokban, kisegítő gazdaságokban ésháztájit gazdaságokban alkalmazható előnyösen. A berendezésnek klímakamrája (5) és hőszigetelt térelhatároló szerkezetekkel körülvett szárítóegysége (20) van. Ennek a szárítóteret (8) tartalmazó szárítókamrája (30) függőleges síkban elforgatható. A kamra (30) nyílásokkal áttört fenéklemezén (12) át áramlik a kamrába (30) helyezett dohánylevél-tömegen keresztül a klímakamrából (5) a meleg levegő, és egy levegő átbocsátó csatornán (7) át van a klímakamrába (5) visszavezetve. A csatornában kialakított nyílásokon friss levegő vezethető a rendszerbe, és használt levegő bocsátható a szabadba. A csatornába zárószerkezet (6) van beépítve, amellyel a levegőáram szabályozható. A klímakamrában (5) kazán (2) és ventilátor (1), a kazán (2) felett pedig vízpermetező szórófej (29) van. A kamra (30) kifordított helyzetében tölthető meg nyers dohánnyal, visszafordított helyzetében pedig a fenéklemeze (12) egy zárt térben (17a) helyezkedik el, amelybe a klímakamrából (5) kinyúló csonk (18) torkollik. Ez utóbbiba a levegőbebocsátást szabályozó zárószerkezet (15) van beépítve. A hőmérséklet és páratartalom összhangja a szárítótérben -(8)- akár kézi vezérléssel, akár elektronikus program alapján automatikusan biztosítható (1. ábra).  -1-
Patent HU-189185-B (HU)
Title: Process for preparing new isopropyl-amino-pyridine derivatives
Inventor: ESANU ANDRE
IPC: A61P43/00
Filed: 1982-10-15
Abstract: This invention relates to the 2-isopropylamino-pyrimidine-N-oxide of the formula:   <IMAGE>   to a preparation process of the same consisting in submitting at 15 DEG  to 45 DEG  C., 2-isopropylamino pyrimidine to a smooth oxidation by stoichiometric proportions or a slight excess of up to 10% of an appropriate oxidizing agent and to a therapeutic composition of matter comprising said compound as an active ingredient therein.
Patent HU-193818-B (HU)
Title: Process for preparing vinyl-benzyl-esters of phosphoric acid
Inventor: WUEST HANS-HEINER
IPC: C07F9/6533
Filed: 1985-09-20
Abstract: Es werden Phosphorsäurevinylbenzylester der Formel I
     worin A und R'-R 9  die in der Beschreibung angegebene Bedeutung haben, sowie deren Herstellung beschrieben. Die Substanzen eignen sich zur Bekämpfung von Krankheiten.
Patent HU-194804-B (HU)
Title: Process for producing new 1-/alkyl-hydroxy-phenyl/-1-hydroxy-2-/alkyl-amino/-propan derivatives, acid additional salts and pharmaceutical compositions containing them
Inventor: KLINGLER KARL-HEINZ
IPC: C07C45/71
Filed: 1984-09-28
Abstract: 1-(Alkyl-hydroxy-phenyl)-2 -alkylamino-1-propanols of formula (I) and their acid-addn. salts are new. In (I), R1 = 1-4C alkyl; R2 = (a) phenyl opt. substd. by halogen, OH, 1-6C alkyl or 1-6C alkoxy, or (b) 5-6C cycloalkyl opt. substd. by 1-6C alkyl or alkoxy; A = 3-4C alkylene. Pref. R1 = Me in the 3- or 4-posn. (the OH gp. being in the 4 or 3 posn.); R2 = phenyl, 4-chlorophenyl or 4-fluorophenyl; A = (CH2)3.
Patent HU-215602-B (HU)
Title: Process for producing 4-/4-/4-/-4//2-(2,4-difluoro-phenyl)-2-(1h-azolyl-methyl)-1,3-dioxolan-4-yl/-methoxy/-phenyl/-1-piperazinyl/-phenyl/-triazolone derivates and -imidazolone derivatives and pharmaceutical compositions containing them
Inventor: BACKX LEU JACOBUS JOZEF
IPC: A61P31/04
Filed: 1990-06-08
Abstract: 4-[4-[4-[4-[[2-(2,4-difluorophenyl)-2-(1H-azolylmethyl)-1,3-dioxolan-4 -yl]methoxy]pheny l ]-1-piperazinyl]phenyl]triazolones and imidazolones of formula <CHEM>  wherein  Q is CH or N;  Y is a radical of formula <CHEM> R<1> is C5-7cycloalkyl or mono-, di-, tri-, tetra- or pentahaloC1-4alkyl; and R<2> is C1-6alkyl, C5-7cycloalkyl or mono-, di-, tri-, tetra- or pentahaloC1-4alkyl, the acid addition salts and stereoisomeric forms thereof; said compounds having antifungal properties. Pharmaceutical compositions containing such compounds as an active ingredient; methods of preparing said compounds and pharmaceutical compositions.
Patent HU-199570-B (HU)
Inventor: KALMAN ERIKA
IPC: C10M173/00
Filed: 1985-10-02
Abstract: Az eljárás szerint _0,1—0,4 tőmegrész
Na2B4O7.10H2O-t és 0,01—0,03 tömegrész
merkapto-benztiazol-nátriumsót szárazon öszszeőrölnek,
0,5—1,5 tömegrész 20—30 t%-os
nátrium-hidroxidban feloldanak, hozzáadják
66—70 tömegrész etilénglikol és 20—25 tőmegrósz
víz elegyét, majd további 0,5-1,5 tömegrész
Na2B4O7.l0H2O-t, az oldat pH értékét
20—30 t%-os vizes nátrium-hidroxid-
-oldattal legfeljebb 8,48, célszerűen 8,4 értékre
beállítják és adott esetben vízzel 100 tömegrészre
kiegészítik.
Patent HU-210391-B (HU)
Title: Method for preparing 7-oxabicyclo[2.2.1]heptane-2,3-dimethanol derivatives
Inventor: KRONENTHAL DAVID
IPC: C07D493/08
Filed: 1991-12-17
Abstract: Disclosed herein is a process for preparing a monoacyl of the formula
       
in which the associated diacyl is hydrolyzed in the presence of one or more water-soluble enzymes or microorganisms capable of selectively hydrolyzing the -O-C-(O)-R 1  group, wherein the treatment is carried out in a biphasic solvent system comprising an aqueous phase having the enzymes or microorganisms and an organic phase immiscible in water having the diester. This acyl-alcohol is oxidized to the associated acyl-aldehydes, which are hydrolyzed with an alkali metal carbonate, bicarbonate or hydroxide to the cis furanol. The thromboxane receptor antagonist [1S-[1α,2α(Z),3α,4α]]-7-[3[[[[(1-oxoheptyl)-amino]acetyl]amino]methyl-7-oxabicyclo-[2.2.1 ]-hept-2-yl]-5-heptenoic acid may be prepared using these processes.
Patent HU-202645-B (HU)
Inventor: IMBRO GEORGIJJ ALEKSANDROVICH
IPC: F42B15/01
Filed: 1988-08-05
Abstract: A találmány tárgya vezérsík felhőoszlató rakétákhoz, mely trapézlemez (5) formájában van kialakítva, mely egy fenéklappal (7) hegyesszöget (a) bezáró elülső éllel (6) rendelkezik, mely trapézlemeznek (5) az elülső él (6) oldalánál lévő felületén egy olyan szakasza (8) van, amelynek felületei l-4*-os szög alatt helyezkednek el, és amely vezérsík (1) a rakétához való hozzáerősítésre szolgáló rögzítőegység elemével (10) van ellátva, mely a hátulsó éltől (9) meghatározott távolságban (a) van elrendezve, mely távolság (a) a fenéklap (7) hosszúságának (6) 0,1-0,5-szerese. A találmány szerint a rögzítőegység elemének (10) tömege a trapézlemez (5) tömegének 0,8-1,2-szeresét teszi ki, és a trapézlemeznek (5) legalább az egyik felületénél a fenéklap (7) hossza mentén nyúlvány (16) van kialakítva. Jellemző ábra: 1. ábra. A leírás terjedelme: 4 oldal, 1 rajz  HU 202 645 B -1-
Patent HU-204481-B (HU)
Title: Process for mesophyl or thermophyl aerob enzimatic conditioning liquide organic materials and biomasses
Inventor: FRIEDRICH EBERHARD
IPC: C02F11/14
Filed: 1989-09-14
Abstract: The invention relates to the conditioning of liquid organic substances and biomass, in particular of domestic sewage sludge with the aid of chelating agents and enzymes. According to the invention the process of breaking down the organic substance in the aerobic conditioning reactor with the addition of chelating agents and enzymes is stopped, before the complete dissolution thereof, after a time of 0.5 to 20 hours. The mixture of substances is then subjected to a non-aerated, open after-reaction phase of 5 to 15 hours, when biogenic flocculation occurs. A solid/liquid separation is then carried out. Conditioning agents can be added to increase the rate of the after-reactions. The biogenic flocculation and the degassing in the after-reaction container can be improved by agitation or raising the temperature. The dried sludge has a high heating value. Its agricultural utility is high.
Patent HU-206471-B (HU)
Title: Universal locking member for attaching documents consist of pages
Inventor: LOLLI CARLA P
IPC: B42D3/00
Filed: 1989-10-04
Abstract: Universal binding element for binding loose documents in a file, characterised in that it principally consists in an inner cover formed of a first part (2) that is intended for forming a front sheet; a second part (3) that is intended for forming a back sheet; and a third part (4) that is intended for forming a spine, which includes adhesive means (5) which are formed of glue (9, 10, 23) meltable under the influence of heat and which, when heated and subsequently cooled off can provide for an adhesive connection on both the inside (6) and the outside (7) of the formed spine.
Patent HU-215655-B (HU)
Title: Isoxazol derivatives, herbicidal compositions containing the same as active ingredient, and process for producing the active ingredient and for use of the composition
Inventor: BULOT JEAN-PAUL
IPC: C07C255/40
Filed: 1990-09-10
Abstract: Compounds of formula <CHEM>  wherein R<1> represents: an optionally substituted alkyl, alkenyl, or alkynyl group ; or an optionally substituted cycloalkyl group; or an optionally substituted cycloalkenyl group ; or a group such as aryl, aralkyl, COOR<3>, COR<3>, CN, NO<2>, NR<3>R<4>, OR<5>, halogen atom. R2 represents a group such as NO<2>, CN, R<5>, S(O)mR<5>, SO2NR<3>R<4>, COOR<3>, COR<3>, CONR<3>R<4>, CSNR<3>R<4>, OR<5>, or alkyl substituted by OR<5>, or a halogen atom.  R<3> and R<4> represent H or an optionally substituted alkyl.  R<5> represents an optionally substituted alkyl  m represents zero, 1 or 2  n represents an integer from 1 to 5  p represents zero or 1 and agriculturally acceptable salts thereof. The herbicidal composition comprising these compounds and their application to crop protection.
Patent IT-1236026-B (IT)
Title: Method for production of containers with ribs, particularly for eyeglasses, and containers hereby realized
Inventor: FEDON CALLISTO
IPC: B29D/
Filed: 1989-10-13
Granted: 1992-12-21
Abstract: The present invention concerns a new method for the production of containers in general, and particularly for protective containers for eyeglasses, characterized by a product, which is esthetically sought after, even if the creation is a very simple process. The method in question is characterized by being able to realize containers equipped with rigid ribs, by simple shaping of the internal volume, with an entity reproducing the preestablished form, and covering the sides with a pre-formed tape.
Patent IT-1198785-B (IT)
Title: Vulcanising machine positioner
Inventor: FANTACCI TOSCO
Filed: 1984-02-08
Granted: 1988-12-21
Abstract: The method obtains photographic images of selected areas or portions of Human Bodies, Animals, Fish, Birds, Insects Trees, Bushes, Flowers, Plants or Seeds and Psychic phenonema. An electro magnetic field is formed on which is carried the energy pattern of the area to be photographed on a film or photographic paper situated between the Positive and Negative conductor plates of the circuit. Changes in the electromotive force in the circuit are produced by an Infra red sensor exposed to the influence of the radiant energy emitted from the donor Body, via the introduction of the sample taken from the donor Body introduced to the Infra red sensor. The device can be battery or mains powered.
Patent LV-12567-B (LV)
Title: A novel process for producing of thyooxine (8-mercaptoquinoline; 8-quinolinethiol) sodium salt
Inventor: BANKOVSKIS JURIJS
IPC: C07D215/36
Filed: 1999-02-25
Abstract: The present invention relates to the field of chemical technology, actually to producing sodium salt of thiooxine. The goal of invention is to cut down the step-number of synthesis as well as to obtain high-purity and inexpensive end-product - the mentioned sodium salt of thiooxine. The intention is achieved by realising reduction of quinoline-8-sulphochloride using hydrochloric acid solution of sodium hypophosphite instead of tin dichloride in the presence of catalytic amount of potassium iodide.
Patent MX-164608-B (MX)
Inventor: BARCELLA SANTINO
IPC: B23P15/00
Filed: 1986-02-26
Abstract: A control wheel intended for welding onto the high-pressure rotor of a steam turbine is manufactured from a ring of individual blades welded together. For this purpose, all of the individual blades are provided with shrouds and root platforms having welding grooves formed therein. After being welded together into a ring, closed on all sides, the control wheel is annealed, machined and finally heat-treated.
Patent MX-170910-B (MX)
Title: Procedimiento para separar oxidos de nitrogeno (nxoy) a partir de gases de desperdicio de plantas de oxidacion de amoniaco
Inventor: SCALTRITTI GIOVANNI
IPC: B01D53/78
Filed: 1987-01-20
Abstract: La presente invención se refiere a procedimiento para separar óxidos de nitrógeno (NxOy) de gases de desperdicio de plantas de oxidación de amoniaco, caracterizado porque se absorben dichos óxidos de nitrógeno en una fase líquida formada por una mezcla que incluye, por lo menos: a) ácido sulúrico; b) ácido nítrico.
Patent NO-139346-B (NO)
Title: Koronagenerator.
Inventor: LOWTHER FRANK E
IPC: H01T19/00
Filed: 1976-12-06
Abstract: Koronagenerator.
Patent NO-155765-B (NO)
Title: Anordning til etablering av en mekanisk forbindelse mellom to konstruksjoner som er bevegelige i forhold til hverandre.
Inventor: EAGLES GEOFFREY JAMES
IPC: B67D9/02
Filed: 1979-06-27
Abstract: ANORDNING TIL ETABLERING AV EN MEKANISK FORBINDELSE MELLOM TO KONSTRUKSJONER SOM. ER BEVEGELIGE I FORHOLD TIL HVERANDRE.
Patent NO-144239-B (NO)
Title: Roeremne av tverrbundet polyetylen (pex).
Inventor: MEYER ERIK BRANDTZAEG
IPC: F16L58/10
Filed: 1979-07-06
Abstract: Røremne av tverrbundet polyetylen (PEX).
Patent NO-159098-B (NO)
Inventor: MCDANIEL MAX PAUL
IPC: C08F4/02
Filed: 1981-12-30
Abstract: In accordance with one embodiment of this invention a chromium catalyst supported on an aluminum phosphate-containing base is used in conjunction with a boron component either as a part of the base or as a cocatalyst. The resulting catalyst is unique both in its favorable sensitivity to molecular weight control agents such as hydrogen and in its ability to produce a fundamentally different olefin polymer. In accordance with another embodiment of this invention, the chromium is supported on a phosphate base produced using a melt of the aluminum salt.
Patent NO-155064-B (NO)
Title: Koblingsanordning, saerlig for vertikale, tunge motoraggregater, og elektromotor som omfatter en slik koblingsanordning.
Inventor: ROMAND-MONNIER JACQUES
IPC: H02K5/132
Filed: 1983-04-13
Abstract: Koblingsanordning, elektromotor utstyrt med en slik anordning og fremgangsmåte ved sammenkobling av to elektromotorer, hvilken anordning muliggjør sammenkobling av motorenes aksler (5,20) etter prøve/feilemetoden. Akslene er forsenket i forhold til endene av de stasjonære statorer, og akselendene har "splines" (6,21) og sammenkobles ved hjelp av en hylse (22). Før sammenkoblingen utstyres akslene med referansemerker, relativt til de stasjonære deler ved hjelp av kammer (27). som føres inn i et spor (6) i akselen (5) og i et spor i hylsen (22). Under sammenkoblingen føres kammene tilbake av henholdsvis en del (37) på enden av en stang (34) som har anlegg mot en holder (35) for den annen kam når det gjelder den første kam (27) og av enden (48) av huset når det gjelder en annen kam. Husene kobles sammen ved hjelp av en muffe (9).
Patent NO-169193-B (NO)
Inventor: ENGLAND JOHN RICHARD
IPC: E21B7/02
Filed: 1985-01-04
Abstract: A compact, easily disassembled, minimum headroom drilling unit is disclosed. The drill, especially useful for newly developed vertical retreat mining methods, drills at compound angles from the vertical and horizontal directions. Low headroom is achieved by the employment of a double acting hydraulic cylinder.
Patent NO-161172-B (NO)
Inventor: DUGUA JACQUES
IPC: C01B15/12
Filed: 1985-02-28
Abstract: 1. Process for the manufacture of sodium perborate monohydrate by dehydration of sodium perborate tetrahydrate by heating under reduced pressure, characterized in that this dehydration is performed at an absolute pressure which is maintained between 0.03 and 0.13 bar at a temperature of the mass which is to be dehydrated not exceeding 70 degrees C, without any gas stream being allowed to enter the dehydration zone.
Patent NO-171577-B (NO)
Inventor: BENDER RICHARD
IPC: F16J15/3204
Filed: 1985-09-09
Abstract: 1. A sealing ring for a machine part, which moves back and forth, comprising a sealing element of polymeric material which is provided with at least one sealing lip which is pressed resiliently onto the relatively moved machine part, characterised in that the sealing lip has a course which is adapted to the cross-section of the relatively moved machine part and which is associated with a plane extending transversely to the direction of movement at such an inclination that regions following one after the other in the circumferential direction result, which regions effect a lateral displacement of the scraped-off medium in tangentially opposed directions, and in that the regions, merging into one another without gaps, form an axially impermeable sealing band.
Patent NO-168848-B (NO)
Inventor: PETERSSON STEFAN
IPC: B29C57/02
Filed: 1987-04-10
Abstract: A mould and sealing ring constitutes a mould element in forming a socket end on a pipe consisting of thermoplastic material and seals the space in a pipe joint between the socket end and the spigot end of a pipe introduced into the socket end. The mould and sealing ring comprises an annular sealing portion (2) consisting of elastically yieldable sealing material and a second substantially annular portion (6) for reinforcing the mould and sealing ring consisting of a material which is rigid in relation to said elastically yieldable material and is connected with the elastically yieldable material at a connection surface (4). The sealing portion (2) and the reinforcing portion (6) constitute two portions positioned adjacent each other on each side of the connection surface (4) in the axial direction of the ring for dividing the ring into a portion which is inactive from the sealing point of view and is active from the forming and locking point of view and a portion which is active from the sealing point of view and is substantially inactive from the forming and locking point of view.
Patent NO-170409-B (NO)
Inventor: DUC LAURENT
IPC: C07C69/734
Filed: 1989-06-13
Abstract: A process for the production of 4-chloro-3-alkoxy-but-2E-enoic acid alkyl esters starting from 4-chloroacetoacetic acid chloride by reaction with a dialkyl sulfite. The produced intermediate products are used as structural elements for, i.a., pharmaceutical agents.
Patent NO-169398-B (NO)
Inventor: EDVARDSEN TERJE
IPC: E06B1/60
Filed: 1990-03-19
Abstract: A method for joining two structural members by the aid of an ajustable fastening means (6), with said structural members consisting of a door or window frame (15) on one side and a surrounding stationary building structure (18) on the other side, which building structure (18) is displaced relative to said frame (15). The frame comprises a through hole, which is completely or partly threaded, and which comprises a threaded and, thus, adjustable fastening means (6) having a through hole (10) in its longitudinal direction, and which at one end projecting from the frame may be provided with a stop (12) for a screw head or the like. The mounting used is a disk (1) with cut-outs (2, 3) for passing through screws or the like to be attached with the building structure (18) and the disk (1) comprises in its end, which partly or completely projects from said building structure, a fastening member (4, 5) for the adjustable fastening means.
Patent NO-174805-B (NO)
Inventor: LOMBARDO LOUIS JOHN
IPC: C07D215/14
Filed: 1991-08-07
Abstract: The invention concerns compounds of the formula <CHEM>  wherein  R is C3-7 alkyl, C3-7 cycloalkyl, <CHEM>   <CHEM>  R<1> is hydrogen, lower alkyl or <CHEM>  a is 1-3;  b is 1-3;  c is 0-2; X, Y and Z are each independently, a bond, O, S or NH, with the proviso that if one of X or Y is O, S or NH, the other must be a bond;  R<2> is amino, loweralkylamino, arylamino, loweralkoxy or aryloxy; R<3> and R<3 min > are independently is hydrogen, halo, hydroxy, lower alkoxy, aryloxy, loweralkanoyloxy, amino, lower alkylamino, arylamino or loweralkanoylamino;  R<4> and R<5> are each independently hydrogen or lower alkyl;  m is 0-4;  n is 1-4; and o is 1-4, and oxime and ketone intermediates thereto. The compounds of formula I selectively inhibit an isoenzyme of 3 min :5 min -cyclic AMP phosphodiesterase located in pulmonary smooth muscle tissue and inflammatory cells and are bronchodilatory or anti-inflammatory and so are useful in the treatment of acute and chronic bronchial asthma as associated pathologies.
Patent NO-180304-B (NO)
Inventor: JOHNSTON JOHN O'NEAL
IPC: A61P35/00
Filed: 1991-11-29
Abstract: The present invention is directed to a group of androstane compounds which contain an ethylene radical bridging the 2- and 19-positions. These compounds are useful as aromatase inhibitors and they are prepared by the cyclization of a 19-[2-(4-toluenesulfonyloxy)ethyl]androst-4-ene-3,17-dione using a strong base.