DE2652356A1 - 6-oxo-2-methyl-hepta-2,4-diensaeure, deren ester und amide sowie ein verfahren zur herstellung der neuen verbindungen - Google Patents
6-oxo-2-methyl-hepta-2,4-diensaeure, deren ester und amide sowie ein verfahren zur herstellung der neuen verbindungenInfo
- Publication number
- DE2652356A1 DE2652356A1 DE19762652356 DE2652356A DE2652356A1 DE 2652356 A1 DE2652356 A1 DE 2652356A1 DE 19762652356 DE19762652356 DE 19762652356 DE 2652356 A DE2652356 A DE 2652356A DE 2652356 A1 DE2652356 A1 DE 2652356A1
- Authority
- DE
- Germany
- Prior art keywords
- methyl
- hepta
- parts
- oxo
- dienoic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 150000001875 compounds Chemical class 0.000 title claims description 10
- JGBAVQBLUTYORM-UHFFFAOYSA-N 2-methyl-6-oxohepta-2,4-dienoic acid Chemical compound CC(=O)C=CC=C(C)C(O)=O JGBAVQBLUTYORM-UHFFFAOYSA-N 0.000 title description 7
- 150000001408 amides Chemical class 0.000 title description 6
- 238000004519 manufacturing process Methods 0.000 title description 6
- 239000002253 acid Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- -1 enol acetates Chemical class 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- 230000002140 halogenating effect Effects 0.000 claims description 7
- 239000003495 polar organic solvent Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 22
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 11
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 10
- 238000002329 infrared spectrum Methods 0.000 description 10
- 239000012074 organic phase Substances 0.000 description 8
- 238000002211 ultraviolet spectrum Methods 0.000 description 8
- YGLFMNCKXCUZIB-UHFFFAOYSA-N ethyl 6-acetyloxy-2-methylhepta-3,5-dienoate Chemical compound CCOC(=O)C(C)C=CC=C(C)OC(C)=O YGLFMNCKXCUZIB-UHFFFAOYSA-N 0.000 description 7
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 6
- VMILCVCSESPPIA-UHFFFAOYSA-N ethyl 2-methyl-6-oxohepta-2,4-dienoate Chemical compound CCOC(=O)C(C)=CC=CC(C)=O VMILCVCSESPPIA-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 230000007717 exclusion Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- WVBSKESCGVGQLY-UHFFFAOYSA-N (1,5-dimethyl-6-oxocyclohexa-2,4-dien-1-yl) acetate Chemical compound CC(=O)OC1(C)C=CC=C(C)C1=O WVBSKESCGVGQLY-UHFFFAOYSA-N 0.000 description 4
- RNHDAKUGFHSZEV-UHFFFAOYSA-N 1,4-dioxane;hydrate Chemical compound O.C1COCCO1 RNHDAKUGFHSZEV-UHFFFAOYSA-N 0.000 description 4
- BWZVCCNYKMEVEX-UHFFFAOYSA-N 2,4,6-Trimethylpyridine Chemical compound CC1=CC(C)=NC(C)=C1 BWZVCCNYKMEVEX-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 235000021466 carotenoid Nutrition 0.000 description 4
- 150000001747 carotenoids Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000004440 column chromatography Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 125000004494 ethyl ester group Chemical group 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 235000002864 food coloring agent Nutrition 0.000 description 3
- 150000004702 methyl esters Chemical class 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- NXXYKOUNUYWIHA-UHFFFAOYSA-N 2,6-Dimethylphenol Chemical compound CC1=CC=CC(C)=C1O NXXYKOUNUYWIHA-UHFFFAOYSA-N 0.000 description 2
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- CYQURDQINYLLRQ-UHFFFAOYSA-N 6-acetyloxy-2-methylhepta-3,5-dienoic acid Chemical compound OC(=O)C(C)C=CC=C(C)OC(C)=O CYQURDQINYLLRQ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 description 2
- LQZMLBORDGWNPD-UHFFFAOYSA-N N-iodosuccinimide Chemical compound IN1C(=O)CCC1=O LQZMLBORDGWNPD-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 150000003931 anilides Chemical class 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- VRLDVERQJMEPIF-UHFFFAOYSA-N dbdmh Chemical compound CC1(C)N(Br)C(=O)N(Br)C1=O VRLDVERQJMEPIF-UHFFFAOYSA-N 0.000 description 2
- HRCPVGJZALMPSW-UHFFFAOYSA-N ethyl 3-bromo-2-methyl-6-oxohept-4-enoate Chemical compound CCOC(=O)C(C)C(Br)C=CC(C)=O HRCPVGJZALMPSW-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 2
- 150000003335 secondary amines Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 150000003505 terpenes Chemical class 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XPNGNIFUDRPBFJ-UHFFFAOYSA-N (2-methylphenyl)methanol Chemical compound CC1=CC=CC=C1CO XPNGNIFUDRPBFJ-UHFFFAOYSA-N 0.000 description 1
- ZWNCJCPLPUBNCZ-UHFFFAOYSA-N 1,2-dimethoxyethane;hydrate Chemical compound O.COCCOC ZWNCJCPLPUBNCZ-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- GJNCXCPHNRATIQ-UHFFFAOYSA-N 1-bromoazepan-2-one Chemical compound BrN1CCCCCC1=O GJNCXCPHNRATIQ-UHFFFAOYSA-N 0.000 description 1
- FPIPGXGPPPQFEQ-UHFFFAOYSA-N 13-cis retinol Natural products OCC=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-UHFFFAOYSA-N 0.000 description 1
- MARXMDRWROUXMD-UHFFFAOYSA-N 2-bromoisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(Br)C(=O)C2=C1 MARXMDRWROUXMD-UHFFFAOYSA-N 0.000 description 1
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- BHUJAMRTVHCTNK-UHFFFAOYSA-N COCCOC.C(C)NCC Chemical compound COCCOC.C(C)NCC BHUJAMRTVHCTNK-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 229930194542 Keto Natural products 0.000 description 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
- SVYKKECYCPFKGB-UHFFFAOYSA-N N,N-dimethylcyclohexylamine Chemical compound CN(C)C1CCCCC1 SVYKKECYCPFKGB-UHFFFAOYSA-N 0.000 description 1
- FNJIIILZCCTKRV-UHFFFAOYSA-N N1=C(C=CC=C1C)C.CN1CCOCC1 Chemical compound N1=C(C=CC=C1C)C.CN1CCOCC1 FNJIIILZCCTKRV-UHFFFAOYSA-N 0.000 description 1
- 101100218521 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) bbp-1 gene Proteins 0.000 description 1
- FPIPGXGPPPQFEQ-BOOMUCAASA-N Vitamin A Natural products OC/C=C(/C)\C=C\C=C(\C)/C=C/C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-BOOMUCAASA-N 0.000 description 1
- NDUJGCWCEQYCRZ-UHFFFAOYSA-N [7-(cyclohexylamino)-6-methyl-7-oxohepta-2,4-dien-2-yl] acetate Chemical compound CC(=O)OC(C)=CC=CC(C)C(=O)NC1CCCCC1 NDUJGCWCEQYCRZ-UHFFFAOYSA-N 0.000 description 1
- AFFHKEGNSCTOHU-UHFFFAOYSA-N [7-(diethylamino)-6-methyl-7-oxohepta-2,4-dien-2-yl] acetate Chemical compound CCN(CC)C(=O)C(C)C=CC=C(C)OC(C)=O AFFHKEGNSCTOHU-UHFFFAOYSA-N 0.000 description 1
- 238000006137 acetoxylation reaction Methods 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 1
- HPYNZHMRTTWQTB-UHFFFAOYSA-N dimethylpyridine Natural products CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000005293 duran Substances 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- OAMZXMDZZWGPMH-UHFFFAOYSA-N ethyl acetate;toluene Chemical compound CCOC(C)=O.CC1=CC=CC=C1 OAMZXMDZZWGPMH-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- JEHCHYAKAXDFKV-UHFFFAOYSA-J lead tetraacetate Chemical compound CC(=O)O[Pb](OC(C)=O)(OC(C)=O)OC(C)=O JEHCHYAKAXDFKV-UHFFFAOYSA-J 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- ZVSILIQCTOABFX-UHFFFAOYSA-N methyl 6-acetyloxy-2-methylhepta-3,5-dienoate Chemical compound COC(=O)C(C)C=CC=C(C)OC(C)=O ZVSILIQCTOABFX-UHFFFAOYSA-N 0.000 description 1
- NSBNSZAXNUGWDJ-UHFFFAOYSA-O monopyridin-1-ium tribromide Chemical compound Br[Br-]Br.C1=CC=[NH+]C=C1 NSBNSZAXNUGWDJ-UHFFFAOYSA-O 0.000 description 1
- LRKPTZSELINOSY-UHFFFAOYSA-N n,n-diethyl-2-methyl-6-oxohepta-2,4-dienamide Chemical compound CCN(CC)C(=O)C(C)=CC=CC(C)=O LRKPTZSELINOSY-UHFFFAOYSA-N 0.000 description 1
- VBTQNRFWXBXZQR-UHFFFAOYSA-N n-bromoacetamide Chemical compound CC(=O)NBr VBTQNRFWXBXZQR-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012434 nucleophilic reagent Substances 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N ortho-diethylbenzene Natural products CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- ZNEOHLHCKGUAEB-UHFFFAOYSA-N trimethylphenylammonium Chemical compound C[N+](C)(C)C1=CC=CC=C1 ZNEOHLHCKGUAEB-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 235000019155 vitamin A Nutrition 0.000 description 1
- 239000011719 vitamin A Substances 0.000 description 1
- 229940045997 vitamin a Drugs 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/76—Unsaturated compounds containing keto groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762652356 DE2652356A1 (de) | 1976-11-17 | 1976-11-17 | 6-oxo-2-methyl-hepta-2,4-diensaeure, deren ester und amide sowie ein verfahren zur herstellung der neuen verbindungen |
| FR7733549A FR2371419A1 (fr) | 1976-11-17 | 1977-11-08 | Acide 6-oxo-2-methyl-2,4-heptadienoique, esters et amides de cet acide, et procede de preparation de ces composes nouveaux |
| CH1387977A CH633767A5 (en) | 1976-11-17 | 1977-11-14 | Process for the preparation of the novel 6-oxo-2-methylhepta-2,4-dienoic acid and its derivatives |
| GB4764277A GB1590033A (en) | 1976-11-17 | 1977-11-16 | 6-oxo-2-methylhepta-2,4-dienoic acid its esters and amides and their preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762652356 DE2652356A1 (de) | 1976-11-17 | 1976-11-17 | 6-oxo-2-methyl-hepta-2,4-diensaeure, deren ester und amide sowie ein verfahren zur herstellung der neuen verbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2652356A1 true DE2652356A1 (de) | 1978-05-18 |
Family
ID=5993370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762652356 Withdrawn DE2652356A1 (de) | 1976-11-17 | 1976-11-17 | 6-oxo-2-methyl-hepta-2,4-diensaeure, deren ester und amide sowie ein verfahren zur herstellung der neuen verbindungen |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH633767A5 (enExample) |
| DE (1) | DE2652356A1 (enExample) |
| FR (1) | FR2371419A1 (enExample) |
| GB (1) | GB1590033A (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2165962A (en) * | 1936-10-29 | 1939-07-11 | Ig Farbenindustrie Ag | Production of alkylidene diethers or ether-esters |
| DE2529605A1 (de) * | 1974-08-05 | 1976-02-26 | Hoffmann La Roche | Verfahren zur herstellung bzw. regeneration von nickelperoxyd |
-
1976
- 1976-11-17 DE DE19762652356 patent/DE2652356A1/de not_active Withdrawn
-
1977
- 1977-11-08 FR FR7733549A patent/FR2371419A1/fr active Granted
- 1977-11-14 CH CH1387977A patent/CH633767A5/de not_active IP Right Cessation
- 1977-11-16 GB GB4764277A patent/GB1590033A/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2165962A (en) * | 1936-10-29 | 1939-07-11 | Ig Farbenindustrie Ag | Production of alkylidene diethers or ether-esters |
| DE2529605A1 (de) * | 1974-08-05 | 1976-02-26 | Hoffmann La Roche | Verfahren zur herstellung bzw. regeneration von nickelperoxyd |
Non-Patent Citations (3)
| Title |
|---|
| Helv. Chim. Acta, 1966, 49, 369-390 * |
| J. Chem. Soc., 1954, 2785-2788 * |
| J. Chem. Soc., 1960, 1-9 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2371419B1 (enExample) | 1983-10-14 |
| GB1590033A (en) | 1981-05-28 |
| CH633767A5 (en) | 1982-12-31 |
| FR2371419A1 (fr) | 1978-06-16 |
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