NO144628B - Fremgangsmaate for fremstilling av ildfaste metallborider, -karbider, -silisider, -nitrider og-sulfider i pulverform - Google Patents
Fremgangsmaate for fremstilling av ildfaste metallborider, -karbider, -silisider, -nitrider og-sulfider i pulverform Download PDFInfo
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- NO144628B NO144628B NO763230A NO763230A NO144628B NO 144628 B NO144628 B NO 144628B NO 763230 A NO763230 A NO 763230A NO 763230 A NO763230 A NO 763230A NO 144628 B NO144628 B NO 144628B
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- 238000000034 method Methods 0.000 title claims description 4
- 238000002360 preparation method Methods 0.000 title description 2
- 239000002184 metal Substances 0.000 title 1
- 150000001247 metal acetylides Chemical class 0.000 title 1
- 239000000843 powder Substances 0.000 title 1
- 229910021332 silicide Inorganic materials 0.000 title 1
- 239000007787 solid Substances 0.000 title 1
- 150000003568 thioethers Chemical class 0.000 title 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 6
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010306 acid treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 238000005907 ketalization reaction Methods 0.000 claims description 2
- -1 methylmagnesium halides Chemical class 0.000 claims description 2
- 150000003431 steroids Chemical class 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 45
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000012071 phase Substances 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 229910052938 sodium sulfate Inorganic materials 0.000 description 9
- 235000011152 sodium sulphate Nutrition 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 230000007935 neutral effect Effects 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000005457 ice water Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229940117975 chromium trioxide Drugs 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- YXHKONLOYHBTNS-UHFFFAOYSA-N Diazomethane Chemical compound C=[N+]=[N-] YXHKONLOYHBTNS-UHFFFAOYSA-N 0.000 description 1
- 238000003747 Grignard reaction Methods 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 238000006359 acetalization reaction Methods 0.000 description 1
- 230000001195 anabolic effect Effects 0.000 description 1
- 230000001548 androgenic effect Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- VBTQNRFWXBXZQR-UHFFFAOYSA-N n-bromoacetamide Chemical compound CC(=O)NBr VBTQNRFWXBXZQR-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000006894 reductive elimination reaction Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
- B01J12/002—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor carried out in the plasma state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
- B01J12/02—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor for obtaining at least one reaction product which, at normal temperature, is in the solid state
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/064—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with boron
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/068—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon
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- C—CHEMISTRY; METALLURGY
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/06—Metal silicides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/02—Boron; Borides
- C01B35/04—Metal borides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/01—Handling plasma, e.g. of subatomic particles
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
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- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3405—Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
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- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
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- H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
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- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
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- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
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- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
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- H05H1/40—Details, e.g. electrodes, nozzles using applied magnetic fields, e.g. for focusing or rotating the arc
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- Y10S422/00—Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
- Y10S422/906—Plasma or ion generation means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
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- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
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Description
Fremgangsmåte ved fremstilling av 1-methyl- A <1>-androsten-17p-ol-3-oner.
l-methyl-^-androsten-np-ol-S-oner
er verdifulle anabolske stoffer med liten
androgen bivirkning.
For fremstillingen har man hittil ho-vedsakelig benyttet addisjon av diazome-than til det tilsvarende i 1-stillingen usub-stituerte ^y-androsten-17fl-ol-3-on, fulgt
av termisk eller katalytisk spaltning av de
primært oppståtte pyrazoliner. Arbeidet
med diazoalkaner i stor teknisk målestokk
er imidlertid beheftet med så betydelige
ulemper på grunn av forbindelsenes sunn-hetsskadelighet og tilbøyelighet til å eks-plodere at det betyr et teknisk fremskritt å
finne frem til andre fremstillingsmetoder
for de verdifulle 1-methyl-/^-androsten-17p-ol-3-oner.
Det ble nå funnet at man utgående fra
de hittil ikke beskrevne 17-estere av and-rostan-la,17p-diol-3-oner, særlig 17-aceta-tet, hvilke forbindelser kan erholdes i me-get tilfredsstillende, nesten kvantitativt
utbytte fra 17-esterne av de kjente A<1->
androsten-17p-ol-3-oner, f.eks. ved addi-
sjon av underbromsyrling ved hjelp av N-bromacetamid, fulgt av reduktiv elimine-ring av bromatomene i 2-stillingen hos det oppståtte bromhydrin, f.eks. ved hjelp av hydrogen i nærvær av palladium på kull, erholder de ønskede 1-methyl-/\'-andros-ten-17fi-ol-3-oner på teknisk tilfredsstillende måte, ved at hydroxylgruppen i la-stillingen hos nevnte 17-estere av and-rostan-la,17fi-diol-3-oner under midlertidig beskyttelse av 3-keto-gruppen ved ketalisering oxyderes til 1-ketogruppen med kromsyre i egnede oppløsningsmidler, så-som aceton, iseddik, tetrahydrofuran-iseddik eller dimethylformamid, hvorpå 1-ketogruppen omsettes med methylmagnesiumhalogenider og omsetningsproduktet tilslutt underkastes en syrebehandling, hvorved 3-ketalgruppen hydrolyseres og hydroxylgruppen i 1-stillingen sammen med et hydrogenatom i 2-stillingen samtidig avspaltes som vann under dannelse av en /y-dobbeltbinding. Disse reaksjoner forløper etter følgende generelle skjema:
Deretter kan man eventuelt reacylere hydroxydet i 17-stillingen ved omsetning med en i steroidkjemien brukbar syre eller et reaksjonsdyktig derivat av en slik syre på i og for seg kjent måte, 1 når hydroxylgruppen i 17-stillingen skal foreligge i acylert tilstand i sluttproduktet. Ketal-beskyttelsen av 3-ketogruppen utfø-res her fortrinnsvis ved omsetning imed ethylenglycol på i og for seg kjent måte. De produkter som erholdes ifølge oppfinnelsen kan foruten hydroxydet i 17p-stillingen om ønsket også ha en alkylgruppe i (' 17*-stillingen, hvilken gruppe da naturligvis måtte foreligge også i utgangsmaterialet. Hvis imidlertid denne alkylgruppe skal være eri methylgruppe og altså være lik deri som skal innføres i 1-stillingen, har det vist seg fordelaktig at den innføres først etteri ace-talisering av 3-ketogruppen, idet man før oxydasjonen av hydroxylgruppen i I-stillingen dessuten innfører i fremgangsmåten ifølge oppfinnelsen en alkalisk forsåpning av estergruppen i 17-stillingen. I dette til-fellet omvandles hydroxylet i 17-stillingen ved den påfølgende oxydasjon av hydroxylet i 1-stillingen til en ketogruppe <!>(nå i 17-stillingen), som ved den etterfølgende Grignard-reaksjon samtidig går over til den ønskede 17a-alkyl-17f!-hydroxyl-grup-pering, dog med den forskjell at hydroxylet 1 17p-stilllngen ved forsiktig gjennomføring av den avsluttende syrebehandling i ( mot-setning til hydroxylet i 1-stillingen ikke nødvendigvis avspaltes som vann.
Eksempel 1
10 g androstan-lct,17£-diol-3-on-17-acetat (sm.p. = 228—230° C), 500 ml | absolutt benzen, 30 ml ethylenglycol og 251 mg p-toluensulfonsyre oppvarmes i 5 timer i nitrogenatmosfære under tilbakeløp og om-røring med vannavskiller. Derpå skilles ethylenglycolfasen fra benzenen, fortynnes med vann og ekstraheres med benzen<1>. Benzenfasene forenes, blandingen vaskes nøy-tral med vann, tørres over natriumsulfat og inndampes til tørrhet. Man får 11,1 g av råproduktet av 3-ethylen-dioxy-andrpstan-la,17p-diol-3-on-17-acetat (fra hexan sm.p.
165—167° C), som omrøres i 400 ml aceton sammen med 7,2 ml kromsyreoppløsning i 15 minutter ved + 1°° C. (Kromsyreoppløs-ning : 267 g kromtrioxyd, 230 ml konsentrert svovelsyre, fortynnet med vann til 1000 ml). Det blir så innrørt i isvann og ekstrahert med methylenklorid. Methylenkloridfasen vaskes nøytral med vann, tør-res over natriumsulfat og inndampes til tørrhet. Det gjenværende rå 3-ethylen-dioxy-androstan-17p-ol-l,3-dion-17-acetat (11 g) (fra hexan sm.p. 177—179° C) opp-løses i 793 ml absolutt benzen og settes dråpevis og under iskjøling til en Grignard-oppløsning, fremstilt av 17,87 g magnesiumspon, 300 ml absolutt ether og 50 ml methyljodid. Etter omrøring i 4 timer ved romtemperatur tilsettes en vandig oppløs-ning av ammoniumklorid, den organiske fase fraskilles og den vanlige fase ekstraheres flere ganger med benzen. Benzen-oppløsningene forenes, og blandingen vaskes nøytral med vann, tørres over natriumsulfat og inndampes til tørrhet. Den rest som blir tilbake oppvarmes i 500 ml methanol og 105 ml 8 volum% svovelsyre i 35 minutter under tilbakeløp, hvorpå blandingen innrøres i isvann inneholdende 36 g natriumcarbonat, der ekstraheres med methylenklorid, og methylenkloridfasen vaskes nøytral med vann, tørres over natriumsulfat og inndampes til tørrhet. Residuet tilsettes 25 ml pyridin og 15 ml acetanhyd-rid og oppbevares i 24 timer ved romtemperatur; der innrøres i isvann og ekstraheres med ether. Etherfasen vaskes med fortynnet saltsyre, vandig natriumbicar-bonatoppløsning og vaskes tilslutt nøytral med vann og tørres over natriumsulfat. Den rest som blir tilbake etter inndampning i vakuum, omkrystalliseres fra isopropylether. Man får l-methyl-/^-androsten-17p-ol-3-on-17-acetat, sm.p. 140° C, utbytte 55 % av det teoretiske.
Eksempel 2
1 g androstan-la-17p-diol-3-on-17-ace-tat (sm.p. = 228—230° C), 50 ml absolutt benzen, 30 ml ethylenglycol og 25 mg p-toluensulfonsyre oppvarmes i 5 timer under nitrogen under tilbakeløp og omrøring med vannavskiller. Ethylenglycolfasen skilles fra benzen, fortynnes med vann og ekstraheres med benzen. Benzenfasene forenes, blandingen vaskes nøytral med vann, tør-res over natriumsulfat og inndampes til tørrhet. Man får 1,1 g urenset 3-ethylen-dioxy-androstan-la,17p-diol-3-on-17-ace-tat (sm.p. 165—167° C fra hexan), som opp-løses i 11,5 ml methanol og 2,95 ml methanol med 1,15 g caliumcarbonat og 2,95 ml vann og oppvarmes i 90 minutter under nitrogen under tilbakeløp. Der innrøres i isvann, ekstraheres med methylenklorid, den organiske fase vaskes nøytral med vann, tørres over natriumsulfat og inndampes til tørrhet. Man får etter omkrystalli-sering fra eddiksyreester 682 mg 3-ethylen-dioxy-androstan- la- 17p-diol-3-on med
smeltepunkt 252—254° C.
649 mg 3-ethylendioxy-androstan-la,17p-diol-3-on i 35 ml aceton og 10 ml methylenklorid samt 1,11 ml kromsyreoppløsning omrøres i 15 minutter ved + 10° C. (Krom-syreoppløsning: 267 g kromtrioxyd, 230 ml konsentrert svovelsyre fortynnet med vann til 1000 ml). Der blir så fortynnet med methylenklorid, og blandingen vaskes nøytral med vann. Etter tørring over natriumsulfat inndampes til tørrhet. Residuet omkrystalliseres fra isopropylether. Man får 466 mg 3-ethylen-dioxy-androstan-l,3,17-trion, sm.p. 186—187,5° C. 392 mg av dette 3-ethy-lendioxy-androstan-l,3,17-trion i 28 ml benzen blir under iskjøling dryppet til en Grignard-oppløsning fremstilt av 637 mg magnesiumspon, 10,6 ml absolutt ether og 1,78 ml methyljodid. Der omrøres i 4 timer ved romtemperatur, hvorpå der tilsettes en mettet, vandig ammoniumkloridoppløsning, fortynnes med vann og benzenfasen fraskilles. Den vandige fase underkastes gjen-tatt ekstraksjon med benzen, benzenfasene
forenes, blandingen vaskes nøytral med vann og tørres over natriumsulfat. Den rest som erholdes etter inndampning til tørrhet, tilsettes 40 ml methanol inneholdende 4,5 ml 8 volum% vandig svovelsyre og oppvarmes i 35 minutter under til-bakeløp, hvorpå blandingen innrøres i en vandig oppløsning av 1,55 g natriumcarbonat. Der ekstraheres med methylenklorid, den organiske fase vaskes nøytral med vann og inndampes til tørrhet. Residuet omkrystalliseres fra isopropylether. Man får 190 mg l,17a-dimethyl-i/\<1->androsten-17p-ol-3-on, sm.p. 148—149° C.
Claims (1)
- Fremgangsmåte ved fremstilling av 1-methyl-z^<1->androsten-17p-ol-3-oner og 17-estere derav, karakterisert ved at hydroxylgruppen i 1-stillingen hos 17-estere av androstan-l<x,17(3-diol-3-oner under midlertidig beskyttelse av 3-ketogruppen ved ketalisering oxyderes til 1-ketogruppen ved hjelp av kromsyre i et egnet organisk opp-løsningsmiddel, hvorpå 1-ketogruppen omsettes med methylmagnesiumhalogenider og omsetningsproduktet sluttelig underkastes en syrebehandling, hvorpå man, om hydroxylgruppen i 17-stillingen i sluttproduktet skal foreligge i acylert tilstand, eventuelt ytterligere foretar en reacylering av den nevnte hydroxylgruppe ved omsetning med en i steroidkjemien anvendelig syre eller et reaksjonsdyktig derivat av en slik syre på i og for seg kjent måte. Anførte publikasjoner:Tysk uti. skrift nr. 1 079 038, 1 095 828. Australsk patent nr. 222 656, 249 452. J.A.C.S., Vol. 81, s. 408—410.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/631,241 US4022872A (en) | 1975-11-12 | 1975-11-12 | Process for preparing finely-divided refractory powders |
Publications (3)
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NO763230L NO763230L (no) | 1977-05-13 |
NO144628B true NO144628B (no) | 1981-06-29 |
NO144628C NO144628C (no) | 1981-10-07 |
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NO763230A NO144628C (no) | 1975-11-12 | 1976-09-21 | Fremgangsmaate for fremstilling av ildfaste metallborider, -karbider, -silisider, -nitrider og-sulfider i pulverform |
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US (1) | US4022872A (no) |
JP (1) | JPS5261194A (no) |
BE (1) | BE848199A (no) |
CA (1) | CA1065576A (no) |
CH (1) | CH616347A5 (no) |
DE (1) | DE2650869C3 (no) |
FR (1) | FR2331409A1 (no) |
GB (1) | GB1560740A (no) |
IT (1) | IT1070203B (no) |
NL (1) | NL167293C (no) |
NO (1) | NO144628C (no) |
SE (1) | SE419333B (no) |
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US4654076A (en) * | 1986-01-30 | 1987-03-31 | Plasma Energy Corporation | Apparatus and method for treating metallic fines |
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GB9306802D0 (en) * | 1993-04-01 | 1993-05-26 | Tioxide Specialties Ltd | Process for the production of silicon nitride |
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US3253886A (en) * | 1961-05-09 | 1966-05-31 | Union Carbide Corp | Process for producing ultrafine powders of refractory materials |
BE651736A (no) * | 1963-08-13 | |||
CH525705A (de) * | 1968-12-24 | 1972-07-31 | Lonza Ag | Verwendung von vortex-stabilisierten Plasmabrennern zur Durchführung von chemischen Reaktionen |
SE347765B (no) * | 1970-05-27 | 1972-08-14 | Nordstjernan Rederi Ab | |
SE372553B (no) * | 1972-10-13 | 1974-12-23 | Aga Ab |
-
1975
- 1975-11-12 US US05/631,241 patent/US4022872A/en not_active Expired - Lifetime
-
1976
- 1976-08-27 CA CA260,028A patent/CA1065576A/en not_active Expired
- 1976-09-21 NO NO763230A patent/NO144628C/no unknown
- 1976-10-05 SE SE7611043A patent/SE419333B/xx unknown
- 1976-10-07 NL NL7611081.A patent/NL167293C/xx not_active IP Right Cessation
- 1976-10-07 IT IT69414/76A patent/IT1070203B/it active
- 1976-10-15 CH CH1309676A patent/CH616347A5/fr not_active IP Right Cessation
- 1976-11-06 DE DE2650869A patent/DE2650869C3/de not_active Expired
- 1976-11-10 BE BE172244A patent/BE848199A/xx unknown
- 1976-11-10 FR FR7634028A patent/FR2331409A1/fr active Granted
- 1976-11-10 JP JP51135132A patent/JPS5261194A/ja active Granted
- 1976-11-12 GB GB47120/76A patent/GB1560740A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1065576A (en) | 1979-11-06 |
US4022872A (en) | 1977-05-10 |
AU1732876A (en) | 1978-03-09 |
DE2650869A1 (de) | 1977-05-26 |
SE7611043L (sv) | 1977-05-13 |
DE2650869C3 (de) | 1979-08-16 |
NL167293B (nl) | 1981-06-16 |
JPS5261194A (en) | 1977-05-20 |
SE419333B (sv) | 1981-07-27 |
DE2650869B1 (de) | 1978-11-09 |
NO763230L (no) | 1977-05-13 |
BE848199A (fr) | 1977-05-10 |
FR2331409B1 (no) | 1978-12-22 |
GB1560740A (en) | 1980-02-06 |
NL167293C (nl) | 1981-11-16 |
JPS5612249B2 (no) | 1981-03-19 |
CH616347A5 (no) | 1980-03-31 |
NO144628C (no) | 1981-10-07 |
NL7611081A (nl) | 1977-05-16 |
FR2331409A1 (fr) | 1977-06-10 |
IT1070203B (it) | 1985-03-29 |
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