CH590191A5 - - Google Patents
Info
- Publication number
- CH590191A5 CH590191A5 CH1020574A CH1020574A CH590191A5 CH 590191 A5 CH590191 A5 CH 590191A5 CH 1020574 A CH1020574 A CH 1020574A CH 1020574 A CH1020574 A CH 1020574A CH 590191 A5 CH590191 A5 CH 590191A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
- C07C45/511—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 involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/513—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 involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an etherified hydroxyl group
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
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- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1020574A CH590191A5 (en) | 1974-07-24 | 1974-07-24 | |
| DE19742443618 DE2443618A1 (en) | 1974-07-24 | 1974-09-12 | Separating para-substd. benzaldehydes from isomer mixtures - by selective crystallisation, for use in prepn. of liquid crystals, esp. nematic cpds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1020574A CH590191A5 (en) | 1974-07-24 | 1974-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH590191A5 true CH590191A5 (en) | 1977-07-29 |
Family
ID=4360574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1020574A CH590191A5 (en) | 1974-07-24 | 1974-07-24 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH590191A5 (en) |
| DE (1) | DE2443618A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5189226A (en) * | 1985-04-19 | 1993-02-23 | Smithkline Beecham Corporation | Ortho-substituted benzaldehydes |
| JPS63205319A (en) * | 1987-02-20 | 1988-08-24 | Hitachi Ltd | Schiff bond-containing compound, its polymer and production thereof |
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1974
- 1974-07-24 CH CH1020574A patent/CH590191A5/xx not_active IP Right Cessation
- 1974-09-12 DE DE19742443618 patent/DE2443618A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2443618A1 (en) | 1976-02-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |