BE497200A - - Google Patents

Info

Publication number

BE497200A

BE497200A BE497200DA BE497200A BE 497200 A BE497200 A BE 497200A BE 497200D A BE497200D A BE 497200DA BE 497200 A BE497200 A BE 497200A

Authority

BE

Belgium

Prior art keywords

parts

pregnene

benzylidene

volume

water

Prior art date

Links

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• 238000000034 method Methods 0.000 claims description 17
• 150000001875 compounds Chemical class 0.000 claims description 8
• -1 21-benzylidene-pregnene Chemical compound 0.000 claims description 7
• 238000002560 therapeutic procedure Methods 0.000 claims 1
• RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 46
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 23
• 239000000203 mixture Substances 0.000 description 17
• HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 14
• 239000000047 product Substances 0.000 description 14
• YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
• VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
• 238000007254 oxidation reaction Methods 0.000 description 11
• UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 10
• 229960000583 acetic acid Drugs 0.000 description 10
• 230000003647 oxidation Effects 0.000 description 10
• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
• CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
• 239000002253 acid Substances 0.000 description 9
• JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
• 239000012362 glacial acetic acid Substances 0.000 description 7
• 125000004435 hydrogen atom Chemical group [H]* 0.000 description 7
• 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
• 238000002844 melting Methods 0.000 description 7
• 230000008018 melting Effects 0.000 description 7
• 230000007017 scission Effects 0.000 description 7
• XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
• KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
• OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
• YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
• 238000003776 cleavage reaction Methods 0.000 description 6
• CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 5
• 239000007800 oxidant agent Substances 0.000 description 5
• 239000003208 petroleum Substances 0.000 description 5
• 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
• 235000017557 sodium bicarbonate Nutrition 0.000 description 5
• 239000007858 starting material Substances 0.000 description 5
• 125000001424 substituent group Chemical group 0.000 description 5
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
• MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
• 238000009835 boiling Methods 0.000 description 4
• 238000006243 chemical reaction Methods 0.000 description 4
• BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
• 150000007524 organic acids Chemical class 0.000 description 4
• 125000004043 oxo group Chemical group O=* 0.000 description 4
• UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
• 239000011541 reaction mixture Substances 0.000 description 4
• 238000001953 recrystallisation Methods 0.000 description 4
• 150000003431 steroids Chemical class 0.000 description 4
• 238000003756 stirring Methods 0.000 description 4
• YPEARZUTWVZHIZ-SRJHXTLLSA-N 1-[(8r,9s,10s,13s,14s,17s)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-17-yl]ethanol Chemical group C1CC2CCCC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(O)C)[C@@]1(C)CC2 YPEARZUTWVZHIZ-SRJHXTLLSA-N 0.000 description 3
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
• MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
• 150000007513 acids Chemical class 0.000 description 3
• 230000015556 catabolic process Effects 0.000 description 3
• 239000003054 catalyst Substances 0.000 description 3
• 239000003795 chemical substances by application Substances 0.000 description 3
• 238000006731 degradation reaction Methods 0.000 description 3
• 235000014113 dietary fatty acids Nutrition 0.000 description 3
• 238000004821 distillation Methods 0.000 description 3
• 239000000194 fatty acid Substances 0.000 description 3
• 229930195729 fatty acid Natural products 0.000 description 3
• 150000004665 fatty acids Chemical class 0.000 description 3
• 150000002576 ketones Chemical class 0.000 description 3
• 239000000155 melt Substances 0.000 description 3
• 239000012285 osmium tetroxide Substances 0.000 description 3
• 229910000489 osmium tetroxide Inorganic materials 0.000 description 3
• TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
• 238000002360 preparation method Methods 0.000 description 3
• 150000003254 radicals Chemical group 0.000 description 3
• 229910052938 sodium sulfate Inorganic materials 0.000 description 3
• 235000011152 sodium sulphate Nutrition 0.000 description 3
• OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-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
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
• DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
• UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
• KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
• CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
• XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
• HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
• SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 2
• 239000003613 bile acid 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
• 238000001816 cooling Methods 0.000 description 2
• 239000012043 crude product Substances 0.000 description 2
• JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
• 238000000354 decomposition reaction Methods 0.000 description 2
• 150000002148 esters Chemical class 0.000 description 2
• 235000019441 ethanol Nutrition 0.000 description 2
• 239000000706 filtrate Substances 0.000 description 2
• 235000019253 formic acid Nutrition 0.000 description 2
• 229910052736 halogen Inorganic materials 0.000 description 2
• 150000002367 halogens Chemical class 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 229910052739 hydrogen Inorganic materials 0.000 description 2
• 239000001257 hydrogen Substances 0.000 description 2
• 230000007062 hydrolysis Effects 0.000 description 2
• 238000006460 hydrolysis reaction Methods 0.000 description 2
• 229910052500 inorganic mineral Inorganic materials 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000011707 mineral Substances 0.000 description 2
• 235000010755 mineral Nutrition 0.000 description 2
• 230000007935 neutral effect Effects 0.000 description 2
• 229910052757 nitrogen Inorganic materials 0.000 description 2
• BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
• LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 2
• 238000010992 reflux Methods 0.000 description 2
• 239000011734 sodium Substances 0.000 description 2
• 229910052708 sodium Inorganic materials 0.000 description 2
• 235000011006 sodium potassium tartrate Nutrition 0.000 description 2
• GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
• 229930193551 sterin Natural products 0.000 description 2
• JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
• VZRAKVPDZIQRGT-WZBAXQLOSA-N (8r,9s,10s,13r,14s,17r)-17-ethenyl-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthrene Chemical compound C1CCC[C@]2(C)[C@H]3CC[C@](C)([C@H](CC4)C=C)[C@@H]4[C@@H]3CCC21 VZRAKVPDZIQRGT-WZBAXQLOSA-N 0.000 description 1
• WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
• RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
• RSRDWHPVTMQUGZ-OZIWPBGVSA-N 1-[(8r,9s,10s,13s,14s,17s)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1h-cyclopenta[a]phenanthren-17-yl]ethanone Chemical class C1CC2CCCC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 RSRDWHPVTMQUGZ-OZIWPBGVSA-N 0.000 description 1
• LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
• GLVYLTSKTCWWJR-UHFFFAOYSA-N 2-carbonoperoxoylbenzoic acid Chemical compound OOC(=O)C1=CC=CC=C1C(O)=O GLVYLTSKTCWWJR-UHFFFAOYSA-N 0.000 description 1
• YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 description 1
• YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 1
• ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
• MKZMFQXJVTYGLP-LIKGKRCVSA-N C(C1=CC=CC=C1)=C=C[C@H]1CC[C@H]2[C@@H]3CCC4CCCC[C@]4(C)[C@H]3CC[C@]12C Chemical compound C(C1=CC=CC=C1)=C=C[C@H]1CC[C@H]2[C@@H]3CCC4CCCC[C@]4(C)[C@H]3CC[C@]12C MKZMFQXJVTYGLP-LIKGKRCVSA-N 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 230000021736 acetylation Effects 0.000 description 1
• 238000006640 acetylation reaction Methods 0.000 description 1
• 125000002252 acyl group Chemical group 0.000 description 1
• 125000004423 acyloxy group Chemical group 0.000 description 1
• 150000001299 aldehydes Chemical class 0.000 description 1
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 150000008064 anhydrides Chemical class 0.000 description 1
• 125000003118 aryl group Chemical group 0.000 description 1
• 239000012298 atmosphere Substances 0.000 description 1
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
• SLUNEGLMXGHOLY-UHFFFAOYSA-N benzene;hexane Chemical compound CCCCCC.C1=CC=CC=C1 SLUNEGLMXGHOLY-UHFFFAOYSA-N 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• 238000010504 bond cleavage reaction Methods 0.000 description 1
• 239000006227 byproduct Substances 0.000 description 1
• 229910000019 calcium carbonate Inorganic materials 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
• 239000007795 chemical reaction product Substances 0.000 description 1
• 239000003153 chemical reaction reagent Substances 0.000 description 1
• 238000004587 chromatography analysis Methods 0.000 description 1
• KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
• JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
• AHXGRMIPHCAXFP-UHFFFAOYSA-L chromyl dichloride Chemical compound Cl[Cr](Cl)(=O)=O AHXGRMIPHCAXFP-UHFFFAOYSA-L 0.000 description 1
• 239000013078 crystal Substances 0.000 description 1
• 125000004122 cyclic group Chemical group 0.000 description 1
• 238000006356 dehydrogenation reaction Methods 0.000 description 1
• 239000003085 diluting agent Substances 0.000 description 1
• YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical class O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
• 239000003814 drug Substances 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000010828 elution Methods 0.000 description 1
• 230000032050 esterification Effects 0.000 description 1
• 238000005886 esterification reaction Methods 0.000 description 1
• 238000006266 etherification reaction Methods 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 125000000524 functional group Chemical group 0.000 description 1
• 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 description 1
• 150000002334 glycols Chemical class 0.000 description 1
• 229940093915 gynecological organic acid Drugs 0.000 description 1
• 125000005843 halogen group Chemical group 0.000 description 1
• 239000000543 intermediate Substances 0.000 description 1
• 239000013067 intermediate product Substances 0.000 description 1
• 229910052740 iodine Inorganic materials 0.000 description 1
• 239000011630 iodine Substances 0.000 description 1
• 150000002500 ions Chemical class 0.000 description 1
• 239000012299 nitrogen atmosphere Substances 0.000 description 1
• 235000005985 organic acids Nutrition 0.000 description 1
• 229910052762 osmium Inorganic materials 0.000 description 1
• SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
• 235000006408 oxalic acid Nutrition 0.000 description 1
• 229910052760 oxygen Inorganic materials 0.000 description 1
• 239000001301 oxygen Substances 0.000 description 1
• 238000006385 ozonation reaction Methods 0.000 description 1
• 229910052763 palladium Inorganic materials 0.000 description 1
• KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 description 1
• 150000002978 peroxides Chemical class 0.000 description 1
• DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
• CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
• 229910000027 potassium carbonate Inorganic materials 0.000 description 1
• 150000003128 pregnanes Chemical class 0.000 description 1
• 238000000746 purification Methods 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 230000035943 smell Effects 0.000 description 1
• 229910000029 sodium carbonate Inorganic materials 0.000 description 1
• 235000010265 sodium sulphite Nutrition 0.000 description 1
• 239000000725 suspension Substances 0.000 description 1
• 238000005979 thermal decomposition reaction Methods 0.000 description 1
• JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
• 125000005424 tosyloxy group Chemical group S(=O)(=O)(C1=CC=C(C)C=C1)O* 0.000 description 1
• ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
• 150000004072 triols Chemical class 0.000 description 1
• 238000005292 vacuum distillation Methods 0.000 description 1
• 239000011592 zinc chloride Substances 0.000 description 1
• 235000005074 zinc chloride Nutrition 0.000 description 1