DE3785882D1 - Verfahren zur katalytischen hydrolyse von alpha,beta-ungesaettigten carbonylverbindungen. - Google Patents
Verfahren zur katalytischen hydrolyse von alpha,beta-ungesaettigten carbonylverbindungen.Info
- Publication number
- DE3785882D1 DE3785882D1 DE8787300278T DE3785882T DE3785882D1 DE 3785882 D1 DE3785882 D1 DE 3785882D1 DE 8787300278 T DE8787300278 T DE 8787300278T DE 3785882 T DE3785882 T DE 3785882T DE 3785882 D1 DE3785882 D1 DE 3785882D1
- Authority
- DE
- Germany
- Prior art keywords
- beta
- alpha
- carbonyl compounds
- unsaturated carbonyl
- catalytic hydrolysis
- 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 - Fee Related
Links
- 150000001728 carbonyl compounds Chemical class 0.000 title 1
- 230000003197 catalytic effect Effects 0.000 title 1
- 230000007062 hydrolysis Effects 0.000 title 1
- 238000006460 hydrolysis reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
- C07C47/54—Benzaldehyde
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- 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
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
-
- 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
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/54—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
-
- 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
- C07C45/67—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 isomerisation; by change of size of the carbon skeleton
- C07C45/673—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 isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/856,595 US4673766A (en) | 1986-04-25 | 1986-04-25 | Method of producing benzaldehyde |
US06/942,491 US4766249A (en) | 1986-04-25 | 1986-12-24 | Method of catalytically hydrolyzing alpha, beta-unsaturated carbonyl compounds |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3785882D1 true DE3785882D1 (de) | 1993-06-24 |
DE3785882T2 DE3785882T2 (de) | 1993-12-16 |
Family
ID=27127354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87300278T Expired - Fee Related DE3785882T2 (de) | 1986-04-25 | 1987-01-13 | Verfahren zur katalytischen Hydrolyse von alpha,beta-ungesättigten Carbonylverbindungen. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4766249A (de) |
EP (1) | EP0242934B1 (de) |
JP (1) | JPH0774179B2 (de) |
KR (1) | KR950004030B1 (de) |
CN (1) | CN1021319C (de) |
BR (1) | BR8700224A (de) |
DE (1) | DE3785882T2 (de) |
ES (1) | ES2058103T3 (de) |
MX (1) | MX164500B (de) |
MY (1) | MY103513A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5203772A (en) * | 1989-01-09 | 1993-04-20 | Pilot Cardiovascular Systems, Inc. | Steerable medical device |
US5108368A (en) * | 1990-01-04 | 1992-04-28 | Pilot Cardiovascular System, Inc. | Steerable medical device |
US4998916A (en) * | 1989-01-09 | 1991-03-12 | Hammerslag Julius G | Steerable medical device |
US8710274B2 (en) | 2012-05-04 | 2014-04-29 | Lyondell Chemical Technology, L.P. | Method of purifying crude acetone stream |
CN104402792B (zh) * | 2014-11-13 | 2017-03-22 | 中国科学院南海海洋研究所 | 一种吲哚‑3‑甲醛类化合物的制备方法和应用 |
CN114057555A (zh) * | 2021-11-02 | 2022-02-18 | 盐城市春竹香料有限公司 | 一种以磷酸氢二钠作碱性催化剂的苯甲醛制备工艺及装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE946443C (de) * | 1953-02-24 | 1956-08-02 | Bayer Ag | Verfahren zur Spaltung von ungesaettigten Ketonen |
GB1519093A (en) * | 1976-03-04 | 1978-07-26 | Rhone Poulenc Ind | Process for preparing methyl heptenone |
JPS5470210A (en) * | 1977-11-11 | 1979-06-05 | Mitsui Toatsu Chem Inc | Preparation of acetone |
FR2459791A1 (fr) * | 1979-06-27 | 1981-01-16 | Turner William | Procede de fabrication de composes carbonyles insatures |
US4617419A (en) * | 1985-09-26 | 1986-10-14 | International Flavors & Fragrances Inc. | Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor |
-
1986
- 1986-12-24 US US06/942,491 patent/US4766249A/en not_active Expired - Fee Related
-
1987
- 1987-01-13 DE DE87300278T patent/DE3785882T2/de not_active Expired - Fee Related
- 1987-01-13 EP EP87300278A patent/EP0242934B1/de not_active Expired - Lifetime
- 1987-01-13 ES ES87300278T patent/ES2058103T3/es not_active Expired - Lifetime
- 1987-01-13 MX MX4928A patent/MX164500B/es unknown
- 1987-01-20 BR BR8700224A patent/BR8700224A/pt not_active IP Right Cessation
- 1987-01-21 KR KR1019870000453A patent/KR950004030B1/ko not_active IP Right Cessation
- 1987-01-22 JP JP62011518A patent/JPH0774179B2/ja not_active Expired - Lifetime
- 1987-01-26 MY MYPI87000064A patent/MY103513A/en unknown
- 1987-03-20 CN CN87102212A patent/CN1021319C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR870009978A (ko) | 1987-11-30 |
EP0242934A2 (de) | 1987-10-28 |
JPS62255447A (ja) | 1987-11-07 |
US4766249A (en) | 1988-08-23 |
EP0242934A3 (en) | 1988-08-31 |
EP0242934B1 (de) | 1993-05-19 |
DE3785882T2 (de) | 1993-12-16 |
BR8700224A (pt) | 1988-01-12 |
KR950004030B1 (ko) | 1995-04-22 |
JPH0774179B2 (ja) | 1995-08-09 |
ES2058103T3 (es) | 1994-11-01 |
CN87102212A (zh) | 1987-11-04 |
MX164500B (es) | 1992-08-21 |
CN1021319C (zh) | 1993-06-23 |
MY103513A (en) | 1993-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |