FR2396735A1 - Procede de preparation de citronellal optiquement actif - Google Patents
Procede de preparation de citronellal optiquement actifInfo
- Publication number
- FR2396735A1 FR2396735A1 FR7721377A FR7721377A FR2396735A1 FR 2396735 A1 FR2396735 A1 FR 2396735A1 FR 7721377 A FR7721377 A FR 7721377A FR 7721377 A FR7721377 A FR 7721377A FR 2396735 A1 FR2396735 A1 FR 2396735A1
- Authority
- FR
- France
- Prior art keywords
- optically active
- preparation process
- citronellal
- active citronellal
- preparation
- 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.)
- Granted
Links
- NEHNMFOYXAPHSD-UHFFFAOYSA-N citronellal Chemical compound O=CCC(C)CCC=C(C)C NEHNMFOYXAPHSD-UHFFFAOYSA-N 0.000 title abstract 5
- 229930003633 citronellal Natural products 0.000 title abstract 2
- 235000000983 citronellal Nutrition 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- WTEVQBCEXWBHNA-JXMROGBWSA-N geranial Chemical compound CC(C)=CCC\C(C)=C\C=O WTEVQBCEXWBHNA-JXMROGBWSA-N 0.000 abstract 4
- WTEVQBCEXWBHNA-UHFFFAOYSA-N Citral Natural products CC(C)=CCCC(C)=CC=O WTEVQBCEXWBHNA-UHFFFAOYSA-N 0.000 abstract 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 abstract 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 abstract 1
- 241000134874 Geraniales Species 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- WTEVQBCEXWBHNA-YFHOEESVSA-N citral B Natural products CC(C)=CCC\C(C)=C/C=O WTEVQBCEXWBHNA-YFHOEESVSA-N 0.000 abstract 1
- 229940041616 menthol Drugs 0.000 abstract 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
- 150000003283 rhodium Chemical class 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1845—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing phosphorus
- B01J31/1875—Phosphinites (R2P(OR), their isomeric phosphine oxides (R3P=O) and RO-substitution derivatives thereof)
- B01J31/188—Amide derivatives thereof
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
- B01J31/2414—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom comprising aliphatic or saturated rings
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2442—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems
- B01J31/2447—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems and phosphine-P atoms as substituents on a ring of the condensed system or on a further attached ring
- B01J31/2452—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems and phosphine-P atoms as substituents on a ring of the condensed system or on a further attached ring with more than one complexing phosphine-P atom
- B01J31/2457—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising condensed ring systems and phosphine-P atoms as substituents on a ring of the condensed system or on a further attached ring with more than one complexing phosphine-P atom comprising aliphatic or saturated rings, e.g. Xantphos
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/62—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by hydrogenation of carbon-to-carbon double or triple bonds
-
- 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
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/645—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
-
- 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
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/20—Carbonyls
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7721377A FR2396735A1 (fr) | 1977-07-04 | 1977-07-04 | Procede de preparation de citronellal optiquement actif |
EP78420001A EP0000315B1 (fr) | 1977-07-04 | 1978-06-14 | Procédé de préparation de citronellal optiquement actif |
DE7878420001T DE2860165D1 (en) | 1977-07-04 | 1978-06-14 | Process for preparing optically active citronellal |
US05/920,981 US4237072A (en) | 1977-07-04 | 1978-06-30 | Preparation of optically active citronellal |
CA000306584A CA1117981A (fr) | 1977-07-04 | 1978-06-30 | Procede de preparation de citronellal optiquement actif |
IT25303/78A IT1096979B (it) | 1977-07-04 | 1978-07-04 | Procedimento per preparare citronellale otticamento attivo |
JP8062078A JPS5414911A (en) | 1977-07-04 | 1978-07-04 | Process for preparing optically active citronellal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7721377A FR2396735A1 (fr) | 1977-07-04 | 1977-07-04 | Procede de preparation de citronellal optiquement actif |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2396735A1 true FR2396735A1 (fr) | 1979-02-02 |
FR2396735B1 FR2396735B1 (en, 2012) | 1980-02-01 |
Family
ID=9193250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7721377A Granted FR2396735A1 (fr) | 1977-07-04 | 1977-07-04 | Procede de preparation de citronellal optiquement actif |
Country Status (7)
Country | Link |
---|---|
US (1) | US4237072A (en, 2012) |
EP (1) | EP0000315B1 (en, 2012) |
JP (1) | JPS5414911A (en, 2012) |
CA (1) | CA1117981A (en, 2012) |
DE (1) | DE2860165D1 (en, 2012) |
FR (1) | FR2396735A1 (en, 2012) |
IT (1) | IT1096979B (en, 2012) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2934250A1 (de) * | 1979-08-24 | 1981-03-19 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von olefinisch ungesaettigten carbonylverbindungen und alkoholen |
FR2651152B1 (fr) * | 1989-08-23 | 1991-11-29 | Elf Aquitaine | Perfectionnement a la preparation de catalyseurs chiraux a base de complexes du ruthenium et du phosphore. |
ZM3391A1 (en) * | 1990-08-06 | 1992-04-30 | R & C Products Pty Ltd | Insect repellent |
JP3247277B2 (ja) * | 1994-07-29 | 2002-01-15 | 高砂香料工業株式会社 | 液状l−n−メントール組成物及びその調製法 |
DE102004049631A1 (de) * | 2004-10-11 | 2006-04-20 | Basf Ag | Verfahren zur Herstellung optisch aktiver Carbonylverbindungen |
DE102005036340A1 (de) * | 2005-07-29 | 2007-02-01 | Basf Ag | Verfahren zur Herstellung optisch aktiver Bis-Phosphinylalkane |
JP4938786B2 (ja) * | 2005-11-17 | 2012-05-23 | ビーエーエスエフ ソシエタス・ヨーロピア | シトロネラールの生産法 |
ATE424465T1 (de) * | 2005-11-17 | 2009-03-15 | Basf Se | Verfahren zur herstellung von citronellal |
US7973198B2 (en) | 2007-04-25 | 2011-07-05 | Basf Se | Method for synthesizing optically active carbonyl compounds |
ES2636456T3 (es) | 2007-11-30 | 2017-10-05 | Basf Se | Procedimiento para la producción de mentol ópticamente activo y racémico |
EP2353714A4 (en) | 2008-11-27 | 2012-05-16 | Takasago Perfumery Co Ltd | ASYMMETRIC HYDROGENATION CATALYST |
CN101747152B (zh) * | 2008-12-18 | 2012-10-24 | 复旦大学 | 一种柠檬醛液相加氢合成不饱和醇的方法 |
CN102458659B (zh) | 2009-06-03 | 2014-07-09 | 高砂香料工业株式会社 | 不对称氢化催化剂 |
JP5711209B2 (ja) | 2010-03-04 | 2015-04-30 | 高砂香料工業株式会社 | 均一系不斉水素化触媒 |
JP5560464B2 (ja) | 2010-11-29 | 2014-07-30 | 高砂香料工業株式会社 | 不斉水素化触媒 |
CN103249484B (zh) | 2010-11-29 | 2015-09-30 | 高砂香料工业株式会社 | 不对称氢化催化剂和利用它制备光学活性的羰基化合物的方法 |
BR112013021353A2 (pt) | 2011-02-22 | 2016-10-18 | Firmenich & Cie | hidrogenação de dienos com complexos de ródio sob atmosfera livre de monóxido de carbono |
DE102013103563A1 (de) | 2013-04-10 | 2014-10-16 | Basf Se | Verfahren zur Herstellung von Citronellal |
MX375969B (es) | 2014-12-19 | 2025-03-06 | Basf Se | Metodo para sintetizar compuestos de carbonilo opticamente activos. |
CN105330515B (zh) * | 2015-10-20 | 2017-07-21 | 万华化学集团股份有限公司 | 一种光学纯香茅醇的制备方法 |
CN105254474B (zh) * | 2015-10-20 | 2017-07-21 | 万华化学集团股份有限公司 | 一种由柠檬醛不对称催化氢化制备手性香茅醇的方法 |
CN105218335B (zh) * | 2015-10-20 | 2017-06-16 | 万华化学集团股份有限公司 | 一种由柠檬醛不对称催化氢化制备手性香茅醛的方法 |
EP3452488A1 (de) * | 2016-05-06 | 2019-03-13 | Basf Se | P-chirale phosphinliganden und deren verwendung zur asymmetrischen synthese |
MX2021002670A (es) | 2018-09-05 | 2021-05-12 | Basf Se | Preparacion continua de un compuesto de carbonilo opticamente activo mediante hidrogenacion asimetrica. |
CN109851486B (zh) * | 2018-12-20 | 2022-03-11 | 万华化学集团股份有限公司 | 一种钌络合物选择性氢化二烯酮的方法 |
WO2021114021A1 (zh) | 2019-12-09 | 2021-06-17 | 万华化学集团股份有限公司 | 一种光学活性的香茅醛的制备方法 |
CN111056932A (zh) * | 2019-12-09 | 2020-04-24 | 万华化学集团股份有限公司 | 一种制备光学活性香茅醛的方法 |
CN110872217A (zh) * | 2019-12-09 | 2020-03-10 | 万华化学集团股份有限公司 | 一种光学活性的香茅醛的制备方法 |
CN111004102B (zh) * | 2019-12-23 | 2022-11-04 | 万华化学集团股份有限公司 | 一种制备光学活性香茅醛的方法及用于该方法的催化剂 |
CN111056933B (zh) * | 2019-12-24 | 2022-11-08 | 万华化学集团股份有限公司 | 一种制备光学活性香茅醛的方法及用于该方法的催化剂体系 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3489786A (en) * | 1964-12-10 | 1970-01-13 | Shell Oil Co | Hydrogenation process |
US3849480A (en) * | 1968-09-09 | 1974-11-19 | Monsanto Co | Catalytic asymmetric hydrogenation |
US3860657A (en) * | 1970-03-25 | 1975-01-14 | Givaudan Corp | Process for the preparation of citronellal |
FR2116905A5 (fr) * | 1970-12-10 | 1972-07-21 | Inst Francais Du Petrole | Nouveaux coordinats bidentes,leur fabrication et leurs applications |
CA1022187A (en) * | 1971-12-23 | 1977-12-06 | Peter S. Gradeff | Process for the semihydrogenation of citral to citronellal |
US3939188A (en) * | 1972-03-24 | 1976-02-17 | Exxon Research And Engineering Company | Preparation of zerovalent phosphine substituted rhodium compounds and their use in the selective carbonylation of olefins |
FR2314911A1 (fr) * | 1975-06-18 | 1977-01-14 | Rhone Poulenc Ind | Procede de semi-hydrogenation du citral et de ses homologues en citronnellal et homologues du citronnellal |
US4029709A (en) * | 1976-02-17 | 1977-06-14 | Rhodia, Inc. | Process for the hydrogenation of citral to citronellal and of citronellal to citronellol using chromium-promoted Raney nickel catalyst |
-
1977
- 1977-07-04 FR FR7721377A patent/FR2396735A1/fr active Granted
-
1978
- 1978-06-14 EP EP78420001A patent/EP0000315B1/fr not_active Expired
- 1978-06-14 DE DE7878420001T patent/DE2860165D1/de not_active Expired
- 1978-06-30 US US05/920,981 patent/US4237072A/en not_active Expired - Lifetime
- 1978-06-30 CA CA000306584A patent/CA1117981A/fr not_active Expired
- 1978-07-04 IT IT25303/78A patent/IT1096979B/it active
- 1978-07-04 JP JP8062078A patent/JPS5414911A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2860165D1 (en) | 1980-12-18 |
FR2396735B1 (en, 2012) | 1980-02-01 |
US4237072A (en) | 1980-12-02 |
IT7825303A0 (it) | 1978-07-04 |
IT1096979B (it) | 1985-08-26 |
JPS6123775B2 (en, 2012) | 1986-06-07 |
EP0000315A1 (fr) | 1979-01-10 |
EP0000315B1 (fr) | 1980-09-17 |
JPS5414911A (en) | 1979-02-03 |
CA1117981A (fr) | 1982-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2396735A1 (fr) | Procede de preparation de citronellal optiquement actif | |
Schrock et al. | Rhodium catalysts for the homogeneous hydrogenation of ketones | |
FR2362103A1 (fr) | Procede pour la preparation d'ethylene-glycol | |
FR2415094A1 (fr) | Procede de production de n,n-di(ethyl)-meta-toluamide | |
RU94021643A (ru) | Способ каталитического частичного окисления углеводородов | |
FR2351077A1 (fr) | Procede perfectionne d'hydroformylation des olefines avec un catalyseur complexe au rhodium | |
Forster et al. | Mechanistic pathways in the catalysis of olefin hydrocarboxylation by rhodium, iridium, and cobalt complexes | |
BR8604150A (pt) | Processo para hidroformilacao de alfa-olefinas alfa-substituidas | |
DK0698028T3 (da) | Enantioselektive oxazaborolidinkatalysatorer | |
FI932174A0 (fi) | Enantioselektiva oxazaborolidinkatalyter | |
FR2429198A1 (fr) | Procede de preparation d'esters de l'acide oxalique | |
FR2370024A1 (fr) | Procede catalytique de production d'acides carboxyliques par carbonylation | |
ATE4193T1 (de) | Fluessige, kaeltestabile titankatalysatorzubereitung und verfahren zu deren herstellung. | |
FR2373602A1 (fr) | Procede d'hydroreformage catalytique | |
BG49826A3 (en) | Method for preparing derivatives of thilosine and 10, 11, 12, 13- tetrahydrothilosine | |
FR2366247A1 (fr) | Procede d'hydrogenation selective des groupements cetoniques dans les cetones olefiniques non conjuguees | |
FI861188A7 (fi) | Framstaellning av karboxylsyror ur alkoholer under anvaendning av rodiumkomplexkatalysatorer. | |
FR2416906A1 (fr) | Procede de polymerisation du propylene | |
FR2365549A1 (fr) | Procede pour la preparation d'esters alcoyliques d'acide a-formylpropionique | |
FR2372883A1 (fr) | Procede d'hydroreformage catalytique | |
FR2377991A2 (fr) | Procede de preparation continue d'aldehydes par hydroformylation | |
FR2636943A1 (fr) | Procede de preparation d'aldehydes satures par hydrogenation d'aldehydes (alpha),(beta)-insatures | |
FR2336137A1 (fr) | Procede d'obtention de substances a activite d'insuline, a partir du sang ou de ses composants | |
FR2623799A1 (fr) | Procede de preparation d'alcools insatures | |
IT8922661A0 (it) | Procedimento per la sintesi diretta di alcoli da olefine,ossidi di carbonio e idrogeno,promossa da un catalizzatore di rodio supportato |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |