IT952421B - Procedimento per produrre idrossi aldeidi aromatiche - Google Patents
Procedimento per produrre idrossi aldeidi aromaticheInfo
- Publication number
- IT952421B IT952421B IT49278/72A IT4927872A IT952421B IT 952421 B IT952421 B IT 952421B IT 49278/72 A IT49278/72 A IT 49278/72A IT 4927872 A IT4927872 A IT 4927872A IT 952421 B IT952421 B IT 952421B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- aromatic hydroxy
- producing aromatic
- hydroxy aldehydes
- aldehydes
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0061—Essential oils; Perfumes compounds containing a six-membered aromatic ring not condensed with another ring
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/204—Aromatic 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
- C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
-
- 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
- C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
- C07C45/292—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups with chromium derivatives
-
- 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
- C07C45/29—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups
- C07C45/296—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of hydroxy groups with lead derivatives
-
- 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
- C07C45/30—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation
-
- 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
- C07C45/31—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with compounds containing mercury atoms, which may be regenerated in situ, e.g. by oxygen
-
- 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
- C07C59/42—Unsaturated compounds containing hydroxy or O-metal groups
- C07C59/52—Unsaturated compounds containing hydroxy or O-metal groups a hydroxy or O-metal group being bound to a carbon atom of a six-membered aromatic ring
-
- 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
- C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
- C07C59/64—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2115551A DE2115551C3 (de) | 1971-03-31 | 1971-03-31 | Verfahren zur Herstellung von aromatischen Hydroxyaldehyden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT952421B true IT952421B (it) | 1973-07-20 |
Family
ID=5803351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49278/72A IT952421B (it) | 1971-03-31 | 1972-03-28 | Procedimento per produrre idrossi aldeidi aromatiche |
Country Status (14)
| Country | Link |
|---|---|
| AT (1) | AT326636B (it) |
| BE (1) | BE781466A (it) |
| CA (1) | CA969556A (it) |
| CH (1) | CH566952A5 (it) |
| CS (1) | CS156536B2 (it) |
| DD (1) | DD95227A5 (it) |
| DE (1) | DE2115551C3 (it) |
| DK (1) | DK132400C (it) |
| FR (1) | FR2132364B1 (it) |
| GB (1) | GB1377243A (it) |
| IT (1) | IT952421B (it) |
| NL (1) | NL7204369A (it) |
| NO (1) | NO137891C (it) |
| PL (1) | PL84513B1 (it) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2376112A1 (fr) * | 1976-12-30 | 1978-07-28 | Hoechst France | Procede de fabrication d'acides a-chloroarylacetiques et acides a-chloroarylacetiques nouveaux obtenus par ce procede |
| GB1576334A (en) * | 1977-05-26 | 1980-10-08 | Ici Ltd | N-alkyl and n,n-dialkyl derivatives thereof process for the manufacture of p-hydroxyphenylglycine and |
| EP0003825B1 (de) * | 1978-02-20 | 1981-02-11 | Diamalt Aktiengesellschaft | Verfahren zur Herstellung von 4-Hydroxyphenylessigsäure |
| SE441524B (sv) * | 1978-05-19 | 1985-10-14 | Ici Ltd | Fast natrium- eller kalium-p-hydroximandelat-monohydrat och sett for dess framstellning |
| FR2440350A1 (fr) * | 1978-11-03 | 1980-05-30 | Hoechst France | Procede de fabrication de l'acide parahydroxymandelique racemique |
| FR2456722A1 (fr) * | 1979-05-14 | 1980-12-12 | Hoechst France | Parformylphenolate de sodium cristallise, son procede de preparation et son application |
| FR2427322A1 (fr) * | 1979-06-15 | 1979-12-28 | Hoechst France | Parahydroxymandelate de sodium racemique cristallise, son procede de preparation et son application a la preparation du paraformylphenolate de sodium cristallise |
| FR2461693A1 (fr) * | 1979-07-24 | 1981-02-06 | Brichima Spa | Procede pour la preparation d'hydroxy- et d'alcoxy-aldehydes aromatiques |
| EP0024181B1 (en) * | 1979-08-09 | 1983-05-18 | Beecham Group Plc | Process for the isolation of a solid salt of p-hydroxymandelic acid; some salts of p-hydroxymandelic acid |
| GB9121656D0 (en) * | 1991-10-11 | 1991-11-27 | Ici Plc | Chemical process |
| FR2931476B1 (fr) * | 2008-05-22 | 2012-12-28 | Rhodia Operations | Procede de separation d'un compose phenolique sous forme solifiee |
| FR2950886B1 (fr) | 2009-10-02 | 2011-10-28 | Rhodia Operations | Procede de separation de composes phenoliques sous forme salifiee |
| CN111848377B (zh) * | 2020-08-18 | 2022-12-06 | 重庆化工职业学院 | 乙基香兰素的制备方法 |
-
1971
- 1971-03-31 DE DE2115551A patent/DE2115551C3/de not_active Expired
-
1972
- 1972-03-27 AT AT261272A patent/AT326636B/de not_active IP Right Cessation
- 1972-03-28 IT IT49278/72A patent/IT952421B/it active
- 1972-03-29 GB GB1475572A patent/GB1377243A/en not_active Expired
- 1972-03-29 CA CA138,405A patent/CA969556A/en not_active Expired
- 1972-03-29 DK DK159072A patent/DK132400C/da active
- 1972-03-29 NO NO1089/72A patent/NO137891C/no unknown
- 1972-03-30 BE BE781466A patent/BE781466A/xx unknown
- 1972-03-30 NL NL7204369A patent/NL7204369A/xx not_active Application Discontinuation
- 1972-03-30 CH CH480872A patent/CH566952A5/xx not_active IP Right Cessation
- 1972-03-30 DD DD161929A patent/DD95227A5/xx unknown
- 1972-03-30 PL PL1972154417A patent/PL84513B1/pl unknown
- 1972-03-31 FR FR7211597A patent/FR2132364B1/fr not_active Expired
- 1972-03-31 CS CS219672A patent/CS156536B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DD95227A5 (it) | 1973-01-20 |
| PL84513B1 (it) | 1976-04-30 |
| DE2115551C3 (de) | 1980-01-10 |
| BE781466A (fr) | 1972-10-02 |
| DK132400B (da) | 1975-12-01 |
| SU437270A3 (ru) | 1974-07-25 |
| NO137891B (no) | 1978-02-06 |
| CH566952A5 (it) | 1975-09-30 |
| GB1377243A (en) | 1974-12-11 |
| FR2132364A1 (it) | 1972-11-17 |
| NL7204369A (it) | 1972-10-03 |
| FR2132364B1 (it) | 1976-03-05 |
| ATA261272A (de) | 1975-03-15 |
| DE2115551A1 (it) | 1972-10-12 |
| NO137891C (no) | 1978-05-16 |
| AT326636B (de) | 1975-12-29 |
| CA969556A (en) | 1975-06-17 |
| DE2115551B2 (de) | 1979-05-17 |
| DK132400C (da) | 1976-05-03 |
| CS156536B2 (it) | 1974-07-24 |
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