CA1088941A - Process for producing bis(cycloalkeno)-pyridines - Google Patents
Process for producing bis(cycloalkeno)-pyridinesInfo
- Publication number
- CA1088941A CA1088941A CA286,004A CA286004A CA1088941A CA 1088941 A CA1088941 A CA 1088941A CA 286004 A CA286004 A CA 286004A CA 1088941 A CA1088941 A CA 1088941A
- Authority
- CA
- Canada
- Prior art keywords
- approximately
- process according
- cycloalkanone
- temperatures
- moles
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 18
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- -1 aliphatic aldehydes Chemical class 0.000 claims abstract description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 27
- 150000001299 aldehydes Chemical class 0.000 claims description 18
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 claims description 12
- SXVPOSFURRDKBO-UHFFFAOYSA-N Cyclododecanone Chemical compound O=C1CCCCCCCCCCC1 SXVPOSFURRDKBO-UHFFFAOYSA-N 0.000 claims description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 10
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 5
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 5
- POSWICCRDBKBMH-UHFFFAOYSA-N 3,3,5-trimethylcyclohexan-1-one Chemical compound CC1CC(=O)CC(C)(C)C1 POSWICCRDBKBMH-UHFFFAOYSA-N 0.000 claims description 4
- UJBOOUHRTQVGRU-UHFFFAOYSA-N 3-methylcyclohexan-1-one Chemical compound CC1CCCC(=O)C1 UJBOOUHRTQVGRU-UHFFFAOYSA-N 0.000 claims description 4
- VGVHNLRUAMRIEW-UHFFFAOYSA-N 4-methylcyclohexan-1-one Chemical compound CC1CCC(=O)CC1 VGVHNLRUAMRIEW-UHFFFAOYSA-N 0.000 claims description 4
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 4
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 claims description 4
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical group CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 claims description 4
- ULDHMXUKGWMISQ-UHFFFAOYSA-N carvone Chemical compound CC(=C)C1CC=C(C)C(=O)C1 ULDHMXUKGWMISQ-UHFFFAOYSA-N 0.000 claims description 4
- CGZZMOTZOONQIA-UHFFFAOYSA-N cycloheptanone Chemical compound O=C1CCCCCC1 CGZZMOTZOONQIA-UHFFFAOYSA-N 0.000 claims description 4
- OSOIQJGOYGSIMF-UHFFFAOYSA-N cyclopentadecanone Chemical compound O=C1CCCCCCCCCCCCCC1 OSOIQJGOYGSIMF-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 claims description 2
- PJXIBUIXCXSNCM-UHFFFAOYSA-N 2,2,4-trimethylcyclopentan-1-one Chemical compound CC1CC(=O)C(C)(C)C1 PJXIBUIXCXSNCM-UHFFFAOYSA-N 0.000 claims description 2
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 239000005973 Carvone Substances 0.000 claims description 2
- 241000723346 Cinnamomum camphora Species 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 229960000846 camphor Drugs 0.000 claims description 2
- 229930008380 camphor Natural products 0.000 claims description 2
- SHQSVMDWKBRBGB-UHFFFAOYSA-N cyclobutanone Chemical group O=C1CCC1 SHQSVMDWKBRBGB-UHFFFAOYSA-N 0.000 claims description 2
- SXOZDDAFVJANJP-UHFFFAOYSA-N cyclodecanone Chemical compound O=C1CCCCCCCCC1 SXOZDDAFVJANJP-UHFFFAOYSA-N 0.000 claims description 2
- LXJDKGYSHYYKFJ-UHFFFAOYSA-N cyclohexadecanone Chemical compound O=C1CCCCCCCCCCCCCCC1 LXJDKGYSHYYKFJ-UHFFFAOYSA-N 0.000 claims description 2
- WXAYGJXNCLBUDJ-UHFFFAOYSA-N cyclooctadecanone Chemical compound O=C1CCCCCCCCCCCCCCCCC1 WXAYGJXNCLBUDJ-UHFFFAOYSA-N 0.000 claims description 2
- IIRFCWANHMSDCG-UHFFFAOYSA-N cyclooctanone Chemical compound O=C1CCCCCCC1 IIRFCWANHMSDCG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- MQWCXKGKQLNYQG-UHFFFAOYSA-N methyl cyclohexan-4-ol Natural products CC1CCC(O)CC1 MQWCXKGKQLNYQG-UHFFFAOYSA-N 0.000 claims description 2
- HTSABYAWKQAHBT-UHFFFAOYSA-N trans 3-methylcyclohexanol Natural products CC1CCCC(O)C1 HTSABYAWKQAHBT-UHFFFAOYSA-N 0.000 claims description 2
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 claims description 2
- NFLGAXVYCFJBMK-RKDXNWHRSA-N (+)-isomenthone Natural products CC(C)[C@H]1CC[C@@H](C)CC1=O NFLGAXVYCFJBMK-RKDXNWHRSA-N 0.000 claims 1
- LFSAPCRASZRSKS-UHFFFAOYSA-N 2-methylcyclohexan-1-one Chemical compound CC1CCCCC1=O LFSAPCRASZRSKS-UHFFFAOYSA-N 0.000 claims 1
- AFEFRXAPJRCTOW-UHFFFAOYSA-N 3,4,4a,5,6,7,8,8a-octahydro-2h-naphthalen-1-one Chemical compound C1CCCC2C(=O)CCCC21 AFEFRXAPJRCTOW-UHFFFAOYSA-N 0.000 claims 1
- NFLGAXVYCFJBMK-UHFFFAOYSA-N Menthone Chemical compound CC(C)C1CCC(C)CC1=O NFLGAXVYCFJBMK-UHFFFAOYSA-N 0.000 claims 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims 1
- 229960004279 formaldehyde Drugs 0.000 claims 1
- 235000019256 formaldehyde Nutrition 0.000 claims 1
- 229930007503 menthone Natural products 0.000 claims 1
- 150000003222 pyridines Chemical class 0.000 abstract description 8
- 125000000468 ketone group Chemical group 0.000 abstract description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 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
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- FQERLIOIVXPZKH-UHFFFAOYSA-N 1,2,4-trioxane Chemical compound C1COOCO1 FQERLIOIVXPZKH-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001136616 Methone Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 229940077746 antacid containing aluminium compound Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-O azanium;hydrofluoride Chemical compound [NH4+].F LDDQLRUQCUTJBB-UHFFFAOYSA-O 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- BADXJIPKFRBFOT-UHFFFAOYSA-N dimedone Chemical compound CC1(C)CC(=O)CC(=O)C1 BADXJIPKFRBFOT-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 150000002081 enamines Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 150000002373 hemiacetals Chemical class 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 150000007659 semicarbazones Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
- C07D221/06—Ring systems of three rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
- C07D221/06—Ring systems of three rings
- C07D221/16—Ring systems of three rings containing carbocyclic rings other than six-membered
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2736888.3 | 1977-08-16 | ||
| DE2736888A DE2736888C2 (de) | 1977-08-16 | 1977-08-16 | Verfahren zur Herstellung von 2,3:5,6-Bis-(cycloalkeno)-pyridinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1088941A true CA1088941A (en) | 1980-11-04 |
Family
ID=6016504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,004A Expired CA1088941A (en) | 1977-08-16 | 1977-09-01 | Process for producing bis(cycloalkeno)-pyridines |
Country Status (11)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6495690B2 (en) * | 2001-03-27 | 2002-12-17 | Council Of Scientific And Industrial Research | Process for the synthesis of an annulated pyridine base |
| DE60123290T2 (de) * | 2001-03-30 | 2007-04-05 | Council Of Scientific And Industrial Research | Ein verfahren zur synthese einer annulierten pyridinbase |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR875010A (fr) * | 1939-01-06 | 1942-09-03 | Schering Ag | Procédé de préparation de composés hétérocycliques de la série de la pyridine |
| US3020282A (en) * | 1957-07-22 | 1962-02-06 | Reilly Tar & Chem Corp | Process of preparing quinoline |
| US3501479A (en) * | 1967-05-19 | 1970-03-17 | American Cyanamid Co | Dihydroquinolines and substituted dihydroquinolines and method of preparing the same |
| BE790121A (fr) * | 1971-10-15 | 1973-02-01 | Degussa | Catalyseurs pour la preparation de pyridine et de 3-methylpyridine |
| DE2224160C3 (de) * | 1972-05-18 | 1979-10-04 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung von Katalysatoren für die Herstellung von Pyridin und 3-Methylpyridin |
| DE2239801C3 (de) * | 1972-08-12 | 1979-08-23 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung von Katalysatoren |
-
1977
- 1977-08-16 DE DE2736888A patent/DE2736888C2/de not_active Expired
- 1977-09-01 CA CA286,004A patent/CA1088941A/en not_active Expired
- 1977-09-01 IT IT50865/77A patent/IT1143598B/it active
- 1977-09-02 NL NLAANVRAGE7709708,A patent/NL184002C/xx not_active IP Right Cessation
- 1977-09-02 GB GB36774/77A patent/GB1550726A/en not_active Expired
- 1977-09-02 BE BE6046133A patent/BE858391A/xx not_active IP Right Cessation
- 1977-09-02 JP JP10573277A patent/JPS5432475A/ja active Granted
- 1977-09-02 CH CH1075177A patent/CH631708A5/de not_active IP Right Cessation
- 1977-09-02 IL IL52887A patent/IL52887A/xx unknown
- 1977-09-02 BR BR7705883A patent/BR7705883A/pt unknown
- 1977-09-05 FR FR7726898A patent/FR2400510A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2736888C2 (de) | 1984-03-08 |
| FR2400510B1 (enrdf_load_stackoverflow) | 1982-07-16 |
| IL52887A (en) | 1980-01-31 |
| FR2400510A1 (fr) | 1979-03-16 |
| IL52887A0 (en) | 1977-11-30 |
| DE2736888A1 (de) | 1979-03-01 |
| NL184002B (nl) | 1988-10-17 |
| NL7709708A (nl) | 1979-02-20 |
| CH631708A5 (en) | 1982-08-31 |
| NL184002C (nl) | 1989-03-16 |
| GB1550726A (en) | 1979-08-22 |
| IT1143598B (it) | 1986-10-22 |
| JPS6232189B2 (enrdf_load_stackoverflow) | 1987-07-13 |
| BR7705883A (pt) | 1979-08-07 |
| BE858391A (fr) | 1978-03-02 |
| JPS5432475A (en) | 1979-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Usui et al. | A green method of adipic acid synthesis: organic solvent-and halide-free oxidation of cycloalkanones with 30% hydrogen peroxide | |
| CA1088941A (en) | Process for producing bis(cycloalkeno)-pyridines | |
| US3504042A (en) | Process for producing 2,2-dimethyl-1,3-propanediol | |
| US2568620A (en) | Substituted triazdfes | |
| JPS6287543A (ja) | アルデヒドの縮合 | |
| CA1084934A (en) | Process for producing 2,3-cycloalkenopyridines | |
| US3433792A (en) | Alkylpyridine production | |
| US2451350A (en) | Preparation of unsaturated ketones | |
| CA1115705A (en) | Process for producing substituted pyridines | |
| CA1058220A (en) | Manufacture of formaldehyde | |
| US2807629A (en) | Catalytic dehydrogenation of dialkylene glycols | |
| Jiricny et al. | The conversion of aldehydes and ketones via their 2, 4, 6-tri-isopropylbenzenesulphonyl hydrazones into nitrites containing one additional carbon atom | |
| US2451351A (en) | Production of unsaturated ketones | |
| US3476778A (en) | Gamma-pyrone synthesis | |
| US3153066A (en) | Process for dicarbonyl compounds | |
| US4171444A (en) | Process for the production of substituted pyridine (C) | |
| CA1122986A (en) | Process for producing pyridines substituted aromatically or heteroaromatically in the 3 position | |
| JP4324667B2 (ja) | ラクタム合成方法 | |
| US3899509A (en) | Process for the manufacture of maleic acid imide | |
| US3020281A (en) | Method of preparing quinoline | |
| US1894792A (en) | Manufacture of valuable products from gaseous unsaturated hydrocarbons | |
| US4028362A (en) | Process for the preparation of quinolines | |
| JP2001501623A (ja) | ３，５―ルチジンの製造 | |
| US2435018A (en) | Process for the production of unsaturated aldehydes | |
| US2530987A (en) | Production of unsaturated aldehydes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |