CH485704A - Procédé pour le réarrangement de 4-alcoyl-, aryl- ou aralcoyl-7-acyloxy-coumarine en 4-alcoyl-, aryl- ou aralcoyl-7-hydroxy-8-acyl-coumarine - Google Patents
Procédé pour le réarrangement de 4-alcoyl-, aryl- ou aralcoyl-7-acyloxy-coumarine en 4-alcoyl-, aryl- ou aralcoyl-7-hydroxy-8-acyl-coumarineInfo
- Publication number
- CH485704A CH485704A CH1776567A CH1776567A CH485704A CH 485704 A CH485704 A CH 485704A CH 1776567 A CH1776567 A CH 1776567A CH 1776567 A CH1776567 A CH 1776567A CH 485704 A CH485704 A CH 485704A
- Authority
- CH
- Switzerland
- Prior art keywords
- coumarin
- aryl
- alkyl
- aralkoyl
- acyloxy
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/28—Moving reactors, e.g. rotary drums
-
- 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
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB57534/66A GB1198997A (en) | 1966-12-22 | 1966-12-22 | Preparation of Substituted Coumarin Derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH485704A true CH485704A (fr) | 1970-02-15 |
Family
ID=10479414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1776567A CH485704A (fr) | 1966-12-22 | 1967-12-19 | Procédé pour le réarrangement de 4-alcoyl-, aryl- ou aralcoyl-7-acyloxy-coumarine en 4-alcoyl-, aryl- ou aralcoyl-7-hydroxy-8-acyl-coumarine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3665013A (fr) |
| CH (1) | CH485704A (fr) |
| DE (1) | DE1643383C3 (fr) |
| FR (1) | FR1559722A (fr) |
| GB (1) | GB1198997A (fr) |
| IT (1) | IT1047865B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1518291A (en) * | 1975-04-11 | 1978-07-19 | Fisons Ltd | Process for the preparation of coumarin derivatives |
| FR2419942A1 (fr) * | 1978-03-13 | 1979-10-12 | Fisons Ltd | Procede de production de derives de la coumarine |
| US5969185A (en) * | 1997-07-14 | 1999-10-19 | Henkel Corporation | Process for making phenolic ketones |
-
1966
- 1966-12-22 GB GB57534/66A patent/GB1198997A/en not_active Expired
-
1967
- 1967-12-09 DE DE1643383A patent/DE1643383C3/de not_active Expired
- 1967-12-15 IT IT23923/67A patent/IT1047865B/it active
- 1967-12-19 CH CH1776567A patent/CH485704A/fr not_active IP Right Cessation
- 1967-12-21 FR FR1559722D patent/FR1559722A/fr not_active Expired
- 1967-12-22 US US692812A patent/US3665013A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1643383A1 (de) | 1971-02-25 |
| GB1198997A (en) | 1970-07-15 |
| DE1643383C3 (de) | 1978-07-13 |
| IT1047865B (it) | 1980-10-20 |
| US3665013A (en) | 1972-05-23 |
| FR1559722A (fr) | 1969-03-14 |
| DE1643383B2 (de) | 1977-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |