MX3411E - Procedimiento para preparar 4-hidroxibenzaldehido 3,5 disubstituido - Google Patents
Procedimiento para preparar 4-hidroxibenzaldehido 3,5 disubstituidoInfo
- Publication number
- MX3411E MX3411E MX000191U MX19176U MX3411E MX 3411 E MX3411 E MX 3411E MX 000191 U MX000191 U MX 000191U MX 19176 U MX19176 U MX 19176U MX 3411 E MX3411 E MX 3411E
- Authority
- MX
- Mexico
- Prior art keywords
- disubstituted
- hydroxybenzaldehide
- prepare
- procedure
- hydroxybenzaldehyde
- 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
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/562—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom
- C07C45/565—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with nitrogen as the only hetero atom by reaction with hexamethylene-tetramine
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
La presente invencion se refiere a un procedimiento para preparar 4-hidroxibenzaldehído, 3,5-disubstituído,representando por la fórmula:(ver figura). En la cual R Y R1 representa cada uno un radical metilo o un substituyente de hidrocarburo secundario o terciario que tenga hasta 5 atomos de carbono, caracterizado porque comprende hacer reaccionar el fenol 2,6-disubstituido correspondiente con cuando menos un equivalente molar de hexametilenotetraminao una cantidad equivalente de una mezcla de formaldehído y acetato de amonio, en ácido acético acuoso, a temperatura elevada de 90 a 120ºc a reflujo a la presión atmosférica.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/575,555 US4009210A (en) | 1975-05-07 | 1975-05-07 | Process for manufacturing 3,5-ditert.butyl-4-hydroxybenzaldehyde by formylation of 2,6-ditert.butylphenol |
Publications (1)
Publication Number | Publication Date |
---|---|
MX3411E true MX3411E (es) | 1980-11-04 |
Family
ID=24300780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX000191U MX3411E (es) | 1975-05-07 | 1976-04-26 | Procedimiento para preparar 4-hidroxibenzaldehido 3,5 disubstituido |
Country Status (16)
Country | Link |
---|---|
US (1) | US4009210A (es) |
JP (1) | JPS5227740A (es) |
AR (1) | AR209485A1 (es) |
BE (1) | BE841523A (es) |
BR (1) | BR7602730A (es) |
CA (1) | CA1053702A (es) |
DE (1) | DE2617585A1 (es) |
EG (1) | EG12925A (es) |
ES (1) | ES447635A1 (es) |
FR (1) | FR2310336A1 (es) |
GB (1) | GB1502052A (es) |
IT (1) | IT1061249B (es) |
MX (1) | MX3411E (es) |
NL (1) | NL7604809A (es) |
PH (1) | PH12857A (es) |
ZA (1) | ZA762383B (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4562297A (en) * | 1982-08-27 | 1985-12-31 | Ethyl Corporation | Aldehyde synthesis |
JPS61500547A (ja) * | 1983-11-15 | 1986-03-27 | エシル コ−ポレ−シヨン | p−アルケニルフエノ−ルおよびそられの引続く酸化による置換ベンズアルデヒドの形成方法 |
GB8501646D0 (en) * | 1985-01-23 | 1985-02-27 | Nipa Lab Ltd | Control of micro-organisms |
GB9113431D0 (en) * | 1991-06-20 | 1991-08-07 | Orion Yhytma Oy | Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde |
US5324860A (en) * | 1993-10-27 | 1994-06-28 | Sepracor, Inc. | Process for 3,5-di-tert-butylsalicylaldehyde |
ES2530579T3 (es) * | 2003-12-23 | 2015-03-03 | Abraxis Bioscience Llc | Análogos de propofol, procedimiento para su preparación, y procedimientos de uso |
US7122700B2 (en) * | 2004-07-30 | 2006-10-17 | Xerox Corporation | Arylamine processes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2903483A (en) * | 1955-05-24 | 1959-09-08 | Bayer Ag | Process for the production of aromatic hydroxy aldehydes |
FR1153523A (fr) * | 1955-05-24 | 1958-03-12 | Bayer Ag | Procédé de production d'hydroxyaldéhydes aromatiques |
-
1975
- 1975-05-07 US US05/575,555 patent/US4009210A/en not_active Expired - Lifetime
-
1976
- 1976-04-21 ZA ZA762383A patent/ZA762383B/xx unknown
- 1976-04-22 DE DE19762617585 patent/DE2617585A1/de not_active Withdrawn
- 1976-04-23 GB GB16520/76A patent/GB1502052A/en not_active Expired
- 1976-04-26 MX MX000191U patent/MX3411E/es unknown
- 1976-04-27 AR AR263060A patent/AR209485A1/es active
- 1976-04-28 CA CA251,279A patent/CA1053702A/en not_active Expired
- 1976-04-28 EG EG256/76A patent/EG12925A/xx active
- 1976-05-03 BR BR2730/76A patent/BR7602730A/pt unknown
- 1976-05-05 IT IT49340/76A patent/IT1061249B/it active
- 1976-05-05 NL NL7604809A patent/NL7604809A/xx not_active Application Discontinuation
- 1976-05-06 BE BE166785A patent/BE841523A/xx unknown
- 1976-05-06 ES ES447635A patent/ES447635A1/es not_active Expired
- 1976-05-06 FR FR7613511A patent/FR2310336A1/fr not_active Withdrawn
- 1976-05-06 JP JP51051617A patent/JPS5227740A/ja active Pending
- 1976-05-06 PH PH18406A patent/PH12857A/en unknown
Also Published As
Publication number | Publication date |
---|---|
PH12857A (en) | 1979-09-12 |
IT1061249B (it) | 1983-02-28 |
JPS5227740A (en) | 1977-03-02 |
CA1053702A (en) | 1979-05-01 |
EG12925A (en) | 1980-03-31 |
AU1615476A (en) | 1978-01-26 |
ES447635A1 (es) | 1977-11-01 |
BE841523A (fr) | 1976-09-01 |
DE2617585A1 (de) | 1976-11-25 |
US4009210A (en) | 1977-02-22 |
ZA762383B (en) | 1977-04-27 |
AR209485A1 (es) | 1977-04-29 |
GB1502052A (en) | 1978-02-22 |
FR2310336A1 (fr) | 1976-12-03 |
NL7604809A (nl) | 1976-11-09 |
BR7602730A (pt) | 1976-11-16 |
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