CH488643A - Verfahren zur Herstellung von 3-Alkoxy-4-hydroxy-benzaldehyden - Google Patents
Verfahren zur Herstellung von 3-Alkoxy-4-hydroxy-benzaldehydenInfo
- Publication number
- CH488643A CH488643A CH1542565A CH1542565A CH488643A CH 488643 A CH488643 A CH 488643A CH 1542565 A CH1542565 A CH 1542565A CH 1542565 A CH1542565 A CH 1542565A CH 488643 A CH488643 A CH 488643A
- Authority
- CH
- Switzerland
- Prior art keywords
- benzaldehydes
- alkoxy
- hydroxy
- preparation
- Prior art date
Links
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
- C07C47/575—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing ether groups, groups, groups, or groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
- Y10S516/01—Wetting, emulsifying, dispersing, or stabilizing agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US412302A US3367972A (en) | 1964-11-19 | 1964-11-19 | Selective hydrolysis of dialkyl ethers of protocatechuic aldehyde |
Publications (1)
Publication Number | Publication Date |
---|---|
CH488643A true CH488643A (de) | 1970-04-15 |
Family
ID=23632457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1542565A CH488643A (de) | 1964-11-19 | 1965-11-09 | Verfahren zur Herstellung von 3-Alkoxy-4-hydroxy-benzaldehyden |
Country Status (7)
Country | Link |
---|---|
US (1) | US3367972A (de) |
AT (1) | AT262261B (de) |
CH (1) | CH488643A (de) |
DE (1) | DE1253697B (de) |
FI (1) | FI46498C (de) |
NO (1) | NO116716B (de) |
SE (1) | SE321919B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2513631A1 (fr) * | 1981-09-29 | 1983-04-01 | Rhone Poulenc Spec Chim | Procede d'hydrolyse d'ethers aryl-aliphatiques |
US4453004A (en) * | 1982-04-01 | 1984-06-05 | International Telephone And Telegraph Corporation | Process for the alkylation of phenolic compounds |
FR2725982B1 (fr) * | 1994-10-24 | 1996-12-20 | Rhone Poulenc Chimie | Procede de preparation d'isovanilline |
NO963174L (no) * | 1995-08-11 | 1997-02-12 | Ube Industries | Fremgangsmåte for fremstilling av isovanillin |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE622966C (de) * | 1932-09-09 | 1935-12-10 | Boehringer & Soehne Gmbh | Verfahren zur UEberfuehrung von Isovanillin in 4-Oxy-3-aethoxybenzaldehyd |
US3007968A (en) * | 1957-07-25 | 1961-11-07 | Monsanto Chemicals | Etherification of hydroxy aromatic aldehydes |
-
1964
- 1964-11-19 US US412302A patent/US3367972A/en not_active Expired - Lifetime
-
1965
- 1965-10-18 SE SE13470/65A patent/SE321919B/xx unknown
- 1965-11-08 AT AT1006065A patent/AT262261B/de active
- 1965-11-09 CH CH1542565A patent/CH488643A/de not_active IP Right Cessation
- 1965-11-11 DE DEST24626A patent/DE1253697B/de active Pending
- 1965-11-15 FI FI652736A patent/FI46498C/fi active
- 1965-11-16 NO NO160485A patent/NO116716B/no unknown
Also Published As
Publication number | Publication date |
---|---|
US3367972A (en) | 1968-02-06 |
FI46498B (fi) | 1973-01-02 |
FI46498C (fi) | 1973-04-10 |
SE321919B (de) | 1970-03-23 |
DE1253697B (de) | 1967-11-09 |
AT262261B (de) | 1968-06-10 |
NO116716B (de) | 1969-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |