BE433810A - - Google Patents
Info
- Publication number
- BE433810A BE433810A BE433810A BE433810A BE433810A BE 433810 A BE433810 A BE 433810A BE 433810 A BE433810 A BE 433810A BE 433810 A BE433810 A BE 433810A BE 433810 A BE433810 A BE 433810A
- Authority
- BE
- Belgium
- Prior art keywords
- hydroxy
- condensation
- aldehydes
- ketones
- product
- Prior art date
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
- C07C45/61—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
- C07C45/68—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 increase in the number of carbon atoms
- C07C45/72—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 increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11593/38A GB513708A (en) | 1938-04-14 | 1938-04-14 | Improvements in the manufacture of hydroxy-aldehydes and hydroxy-ketones |
Publications (1)
Publication Number | Publication Date |
---|---|
BE433810A true BE433810A (xx) | 1939-06-30 |
Family
ID=9989095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE433810A BE433810A (xx) | 1938-04-14 | 1939-04-13 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE433810A (xx) |
DE (1) | DE881504C (xx) |
GB (1) | GB513708A (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2269935A (en) * | 1940-02-27 | 1942-01-13 | Du Pont | Process for producing hydroxy aldehydes and hydroxy ketones |
US2760983A (en) * | 1952-05-24 | 1956-08-28 | Celanese Corp | Process for condensing formaldehyde |
DE2639084C2 (de) * | 1976-08-31 | 1984-08-23 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Gemischen aus niedermolekularen Polyhydroxylverbindungen und ihre Verwendung zur Herstellung von Polyurethankunststoffen |
CA1088525A (en) * | 1977-03-30 | 1980-10-28 | Kuno Wagner | Process for the preparation of low molecular weight polyhydroxyl compounds |
DE2721186C2 (de) * | 1977-05-11 | 1986-04-24 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung eines Gemisches von niedermolekularen Polyhydroxylverbindungen |
DE2738512A1 (de) * | 1977-08-26 | 1979-03-08 | Bayer Ag | Verfahren zur herstellung von niedermolekularen polyhydroxylverbindungen |
DE2756270A1 (de) * | 1977-12-16 | 1979-06-21 | Bayer Ag | Verfahren zur herstellung von niedermolekularen polyhydroxylverbindungen |
GB8611422D0 (en) * | 1986-05-09 | 1986-06-18 | Ici Plc | Isolation process |
JP6120692B2 (ja) * | 2013-06-19 | 2017-04-26 | 花王株式会社 | 単糖類の製造方法 |
-
1938
- 1938-04-14 GB GB11593/38A patent/GB513708A/en not_active Expired
-
1939
- 1939-04-13 DE DEI3063D patent/DE881504C/de not_active Expired
- 1939-04-13 BE BE433810A patent/BE433810A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB513708A (en) | 1939-10-19 |
DE881504C (de) | 1953-06-29 |
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