BE550590A - - Google Patents
Info
- Publication number
- BE550590A BE550590A BE550590DA BE550590A BE 550590 A BE550590 A BE 550590A BE 550590D A BE550590D A BE 550590DA BE 550590 A BE550590 A BE 550590A
- Authority
- BE
- Belgium
- Prior art keywords
- trans
- acid
- hexahydroterephthalic
- procedure
- water
- Prior art date
Links
- 239000002253 acid Substances 0.000 claims description 37
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 31
- MUMGGOZAMZWBJJ-DYKIIFRCSA-N Testostosterone Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 MUMGGOZAMZWBJJ-DYKIIFRCSA-N 0.000 claims description 30
- PXGZQGDTEZPERC-UHFFFAOYSA-N cyclohexane-1,4-dicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 claims description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 20
- 150000002148 esters Chemical class 0.000 claims description 20
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 16
- 229960003604 Testosterone Drugs 0.000 claims description 15
- -1 n-octyl Chemical group 0.000 claims description 11
- 239000003270 steroid hormone Substances 0.000 claims description 10
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000005712 crystallization Effects 0.000 claims description 6
- MFYSYFVPBJMHGN-ZPOLXVRWSA-N Cortisone Chemical compound O=C1CC[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 MFYSYFVPBJMHGN-ZPOLXVRWSA-N 0.000 claims description 5
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N Prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 claims description 5
- PXGZQGDTEZPERC-IZLXSQMJSA-L [O-]C(=O)[C@H]1CC[C@H](C([O-])=O)CC1 Chemical compound [O-]C(=O)[C@H]1CC[C@H](C([O-])=O)CC1 PXGZQGDTEZPERC-IZLXSQMJSA-L 0.000 claims description 5
- 229960004544 cortisone Drugs 0.000 claims description 5
- 229960004618 prednisone Drugs 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004587 chromatography analysis Methods 0.000 claims description 3
- 150000003431 steroids Chemical class 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000012442 inert solvent Substances 0.000 claims description 2
- HXTYZWJVMWWWDK-IZLXSQMJSA-N ClC(=O)[C@H]1CC[C@@H](CC1)C(Cl)=O Chemical compound ClC(=O)[C@H]1CC[C@@H](CC1)C(Cl)=O HXTYZWJVMWWWDK-IZLXSQMJSA-N 0.000 claims 2
- VOXZDWNPVJITMN-ZBRFXRBCSA-N 17β-estradiol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 VOXZDWNPVJITMN-ZBRFXRBCSA-N 0.000 claims 1
- RKWGIWYCVPQPMF-UHFFFAOYSA-N 4-chloro-N-[(propylamino)carbonyl]benzenesulfonamide Chemical compound CCCNC(=O)NS(=O)(=O)C1=CC=C(Cl)C=C1 RKWGIWYCVPQPMF-UHFFFAOYSA-N 0.000 claims 1
- 229960005309 Estradiol Drugs 0.000 claims 1
- 229940088597 Hormone Drugs 0.000 claims 1
- 241000396377 Tranes Species 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 239000005556 hormone Substances 0.000 claims 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 51
- HEDRZPFGACZZDS-UHFFFAOYSA-N chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 44
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 38
- 229920001098 polystyrene-block-poly(ethylene/propylene) Polymers 0.000 description 28
- 238000002360 preparation method Methods 0.000 description 25
- 239000000243 solution Substances 0.000 description 24
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 22
- 239000000047 product Substances 0.000 description 22
- FYSNRJHAOHDILO-UHFFFAOYSA-N Thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- CSNNHWWHGAXBCP-UHFFFAOYSA-L mgso4 Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- LRHPLDYGYMQRHN-UHFFFAOYSA-N n-butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 7
- 235000019341 magnesium sulphate Nutrition 0.000 description 7
- 230000001264 neutralization Effects 0.000 description 7
- 239000003208 petroleum Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 description 5
- 235000011152 sodium sulphate Nutrition 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229960004592 isopropanol Drugs 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- PXGZQGDTEZPERC-IZLXSQMJSA-N OC(=O)[C@H]1CC[C@H](C(O)=O)CC1 Chemical class OC(=O)[C@H]1CC[C@H](C(O)=O)CC1 PXGZQGDTEZPERC-IZLXSQMJSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 235000011118 potassium hydroxide Nutrition 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 239000001187 sodium carbonate Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- AYJRCSIUFZENHW-UHFFFAOYSA-L Barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- WBOSBXUVXRYGKG-MGCOHNPYSA-M C(CCC)OC(=O)[C@@H]1CC[C@H](CC1)C(=O)[O-] Chemical compound C(CCC)OC(=O)[C@@H]1CC[C@H](CC1)C(=O)[O-] WBOSBXUVXRYGKG-MGCOHNPYSA-M 0.000 description 2
- ILZKALSINYDLSE-GRGKAMOVSA-N C([C@@H]1CC[C@@H](C(=O)O)CC1)(=O)O.[C@@H]12CCC(O)[C@@]1(C)CC[C@@H]1C3=C(CC[C@@H]21)C=C(O)C=C3 Chemical compound C([C@@H]1CC[C@@H](C(=O)O)CC1)(=O)O.[C@@H]12CCC(O)[C@@]1(C)CC[C@@H]1C3=C(CC[C@@H]21)C=C(O)C=C3 ILZKALSINYDLSE-GRGKAMOVSA-N 0.000 description 2
- LNGAGQAGYITKCW-ZKCHVHJHSA-N CHEMBL3186827 Chemical class COC(=O)[C@H]1CC[C@H](C(=O)OC)CC1 LNGAGQAGYITKCW-ZKCHVHJHSA-N 0.000 description 2
- 229940119837 Isopropyl Alcohol Drugs 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M NaHCO3 Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000011260 aqueous acid Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 2
- 229910003446 platinum oxide Inorganic materials 0.000 description 2
- 159000000001 potassium salts Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000002035 prolonged Effects 0.000 description 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-N triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- OBETXYAYXDNJHR-UHFFFAOYSA-M 2-ethylhexanoate Chemical compound CCCCC(CC)C([O-])=O OBETXYAYXDNJHR-UHFFFAOYSA-M 0.000 description 1
- NTSLROIKFLNUIJ-UHFFFAOYSA-N 5-ethyl-2-methylpyridine Chemical compound CCC1=CC=C(C)N=C1 NTSLROIKFLNUIJ-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- FHXBMXJMKMWVRG-QDSUGMFFSA-N C1C[C@]2(C)C(O)CC[C@H]2[C@@H]2CCC3=CC(OC(=O)C)=CC=C3[C@H]21 Chemical compound C1C[C@]2(C)C(O)CC[C@H]2[C@@H]2CCC3=CC(OC(=O)C)=CC=C3[C@H]21 FHXBMXJMKMWVRG-QDSUGMFFSA-N 0.000 description 1
- ZQJNPHCQABYENK-LJGSYFOKSA-M COC(=O)[C@H]1CC[C@H](C([O-])=O)CC1 Chemical compound COC(=O)[C@H]1CC[C@H](C([O-])=O)CC1 ZQJNPHCQABYENK-LJGSYFOKSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- IQFVPQOLBLOTPF-HKXUKFGYSA-L Congo red Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(/N=N/C3=CC=C(C=C3)C3=CC=C(C=C3)/N=N/C3=C(C4=CC=CC=C4C(=C3)S([O-])(=O)=O)N)=CC(S([O-])(=O)=O)=C21 IQFVPQOLBLOTPF-HKXUKFGYSA-L 0.000 description 1
- WOZVHXUHUFLZGK-UHFFFAOYSA-N Dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 1
- 101700057165 GPR6 Proteins 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-N Heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 210000001625 Seminal Vesicles Anatomy 0.000 description 1
- 229960001712 Testosterone Propionate Drugs 0.000 description 1
- PDMMFKSKQVNJMI-BLQWBTBKSA-N Testosterone propionate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](OC(=O)CC)[C@@]1(C)CC2 PDMMFKSKQVNJMI-BLQWBTBKSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 101700083361 cri-3 Proteins 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- PXGZQGDTEZPERC-UHFFFAOYSA-L cyclohexane-1,4-dicarboxylate Chemical class [O-]C(=O)C1CCC(C([O-])=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-L 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atoms Chemical class [H]* 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing Effects 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910001112 rose gold Inorganic materials 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- POECFFCNUXZPJT-UHFFFAOYSA-M sodium;carbonic acid;hydrogen carbonate Chemical compound [Na+].OC(O)=O.OC([O-])=O POECFFCNUXZPJT-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 229950003147 testosterone enantate Drugs 0.000 description 1
- VOCBWIIFXDYGNZ-IXKNJLPQSA-N testosterone enanthate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](OC(=O)CCCCCC)[C@@]1(C)CC2 VOCBWIIFXDYGNZ-IXKNJLPQSA-N 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Steroid Compounds (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE550590A true BE550590A (fi) |
Family
ID=176419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE550590D BE550590A (fi) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE550590A (fi) |
-
0
- BE BE550590D patent/BE550590A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE550590A (fi) | ||
| JPS5826360B2 (ja) | グリコケノデオキシコ−ルサンノ セイホウ | |
| BE779775A (fr) | Derives de l'uree, procede pour les preparer et leurs applications | |
| EP0071500B1 (fr) | Procédé de préparation d'amino-4 butyramide | |
| CH348157A (fr) | Procédé de préparation d'esters mixtes de l'acide trans-hexahydrotéréphtalique | |
| CH392483A (fr) | Procédé de préparation de nouveaux esters d'acides 4-halo-3-sulfamoyl-benzoïques | |
| CH476658A (fr) | Procédé pour la préparation d'une dihydroxy-dicétone | |
| BE552152A (fi) | ||
| CH368164A (fr) | Procédé pour la préparation de dérivés de l'étiocholane | |
| FR2745291A1 (fr) | Procede industriel de fabrication de trenbolone | |
| BE519868A (fi) | ||
| BE542273A (fi) | ||
| BE715778A (fi) | ||
| BE533436A (fi) | ||
| CH382152A (fr) | Procédé pour la préparation de m-sulfobenzoates de stéroïdes | |
| CH363978A (fr) | Procédé pour la préparation de l'a-estradiol | |
| CH351966A (fr) | Procédé de préparation d'esters d'estradiol | |
| CH338197A (fr) | Procédé d'obtention de peptides | |
| BE434909A (fi) | ||
| BE623369A (fi) | ||
| BE461458A (fi) | ||
| BE568452A (fi) | ||
| FR2534583A1 (fr) | Procede pour la fabrication d'hexahydro-5-hydroxy-4-hydroxymethyl-2h-cyclopenta-(b)-furanne-2-one | |
| BE525128A (fi) | ||
| BE534468A (fi) |