IT7949438A0 - Procedimento per l'alchilazione dicomposti fenolici per produrre fenoli orto- e para-monoalchilati e fenoli 2,4- e 2,6-dialchilati - Google Patents
Procedimento per l'alchilazione dicomposti fenolici per produrre fenoli orto- e para-monoalchilati e fenoli 2,4- e 2,6-dialchilatiInfo
- Publication number
- IT7949438A0 IT7949438A0 IT7949438A IT4943879A IT7949438A0 IT 7949438 A0 IT7949438 A0 IT 7949438A0 IT 7949438 A IT7949438 A IT 7949438A IT 4943879 A IT4943879 A IT 4943879A IT 7949438 A0 IT7949438 A0 IT 7949438A0
- Authority
- IT
- Italy
- Prior art keywords
- phenols
- alkylation
- para
- procedure
- phenolic compounds
- Prior art date
Links
- 150000002989 phenols Chemical class 0.000 title 3
- 230000029936 alkylation Effects 0.000 title 1
- 238000005804 alkylation reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/096—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
-
- 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/915,715 US4215229A (en) | 1978-06-15 | 1978-06-15 | Process for alkylating phenolic compounds to produce ortho- and para-monoalkylated phenols and 2,4- and 2,6-dialkylated phenols |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7949438A0 true IT7949438A0 (it) | 1979-06-15 |
IT1188838B IT1188838B (it) | 1988-01-28 |
Family
ID=25436164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49438/79A IT1188838B (it) | 1978-06-15 | 1979-06-15 | Procedimento per l'alchilazione di composti fenolici per produrre fenoli orto- e para-monoalchialti e fenoli 2,4- e 2,6-dialchilati |
Country Status (7)
Country | Link |
---|---|
US (1) | US4215229A (it) |
JP (1) | JPS5931488B2 (it) |
BE (1) | BE877020A (it) |
DE (1) | DE2924161C2 (it) |
FR (1) | FR2428624A1 (it) |
GB (1) | GB2023139B (it) |
IT (1) | IT1188838B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451676A (en) * | 1982-08-27 | 1984-05-29 | Ethyl Corporation | Chemical process for the preparation of para-alkenyl phenol |
US4480140A (en) * | 1983-03-16 | 1984-10-30 | Koppers Company, Inc. | Process for alkylating phenolic compounds to produce ortho or para-monoalkylated or 2,4- or 2,6-dialkylated phenols |
US4475001A (en) * | 1983-03-17 | 1984-10-02 | Koppers Company, Inc. | Process for alkylating phenolic compounds to produce ortho- or para-monoalkylated phenols or 2,4- or 2,6-dialkylated phenols |
WO1985002178A1 (en) * | 1983-11-15 | 1985-05-23 | Ethyl Corporation | PROCESS FOR p-ALKENYL PHENOLS AND THEIR SUBSEQUENT OXIDATION FORMING SUBSTITUTED BENZALDEHYDES |
EP0999272A1 (en) | 1998-10-02 | 2000-05-10 | Societe Des Produits Nestle S.A. | Novel strains of the bacillus subtilis group for food fermentation |
US6897175B2 (en) * | 2001-10-09 | 2005-05-24 | General Electric | Catalyst and method for the alkylation of hydroxyaromatic compounds |
US7081432B2 (en) * | 2003-07-10 | 2006-07-25 | General Electric Company | Alkylation catalyst and method for making alkylated phenols |
US7087705B2 (en) * | 2004-03-31 | 2006-08-08 | General Electric Company | Process for the monoalkylation of dihydroxy aromatic compounds |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2194215A (en) * | 1939-02-15 | 1940-03-19 | Resinous Prod & Chemical Co | Methylation of phenolic compounds |
US2882319A (en) * | 1957-03-12 | 1959-04-14 | Consolidation Coal Co | Reducing phenolic mannich bases with molybdenum sulfide catalysts |
US2841623A (en) * | 1957-05-08 | 1958-07-01 | Shell Dev | Process for the alkylation of phenols |
US3394399A (en) * | 1965-03-29 | 1968-07-23 | Hooker Chemical Corp | Mannich base synthesis of substituted phenols |
US3461172A (en) * | 1966-11-22 | 1969-08-12 | Consolidation Coal Co | Hydrogenation of ortho-phenolic mannich bases |
US3461722A (en) * | 1967-06-29 | 1969-08-19 | Epm Mfg Co Ltd | Electrode assembly for liquid level controllers |
US3592951A (en) * | 1967-12-28 | 1971-07-13 | Ethyl Corp | Process for alkylating a phenol |
US3946086A (en) * | 1970-10-28 | 1976-03-23 | Felix Borisovich Gershanov | Method of producing 2,6-dialkyl- and 2,6-diaralkyl-substituted derivatives of p-cresol |
FR2114096A5 (en) * | 1970-11-16 | 1972-06-30 | Sterlitamaxky O | Di(ar)alkyl derivs of cresol as polymerstabilisers |
GB1419603A (en) * | 1972-12-05 | 1975-12-31 | Bayer Ag | Process for the producition of 3-halogen-and 3,5-dihalogen phenols |
US3919332A (en) * | 1973-06-25 | 1975-11-11 | Ethyl Corp | Phenol process |
JPS50123632A (it) * | 1974-03-15 | 1975-09-29 | ||
DE2601782C3 (de) * | 1976-01-20 | 1979-08-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von o-Dialkylaminomethylphenolen |
SU748948A1 (ru) * | 1976-06-21 | 1983-11-15 | Казахский Ордена Трудового Красного Знамени Государственный Университет Им.С.М.Кирова | Катализатор дл гидрогенолиза @ -диметил-3,5-ди-трет-бутил-4-оксибензиламина |
JPS5328150A (en) * | 1976-08-25 | 1978-03-16 | Sugai Chemical Ind Co Ltd | Novel orthophenyl phenol derivative process for preparing same |
AT345788B (de) * | 1977-02-16 | 1978-10-10 | Sterlitamaxky O Promyshlenny | Verfahren zur herstellung von 2,6-di- tert.butyl-4-methylphenol |
JPS5949009B2 (ja) * | 1977-09-12 | 1984-11-30 | 株式会社東芝 | 放射線断層撮影装置 |
-
1978
- 1978-06-15 US US05/915,715 patent/US4215229A/en not_active Expired - Lifetime
-
1979
- 1979-06-08 GB GB7920014A patent/GB2023139B/en not_active Expired
- 1979-06-14 FR FR7915283A patent/FR2428624A1/fr not_active Withdrawn
- 1979-06-15 BE BE195774A patent/BE877020A/xx not_active IP Right Cessation
- 1979-06-15 IT IT49438/79A patent/IT1188838B/it active
- 1979-06-15 DE DE2924161A patent/DE2924161C2/de not_active Expired
- 1979-06-15 JP JP54075552A patent/JPS5931488B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4215229A (en) | 1980-07-29 |
DE2924161C2 (de) | 1984-01-26 |
DE2924161A1 (de) | 1980-02-28 |
GB2023139A (en) | 1979-12-28 |
GB2023139B (en) | 1983-02-23 |
JPS554382A (en) | 1980-01-12 |
JPS5931488B2 (ja) | 1984-08-02 |
FR2428624A1 (fr) | 1980-01-11 |
BE877020A (fr) | 1979-10-01 |
IT1188838B (it) | 1988-01-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AR240922A1 (es) | "procedimiento para preparar acilureidoalquil-bencensulfo-nilureas". | |
FR2457845B1 (fr) | Procede de preparation d'un liant a utiliser dans des betons a faible teneur en eau | |
MX6046E (es) | Procedimiento para la preparacion de 4,5-diaril-2-nitro-imidazoles | |
MX6242E (es) | Procedimiento para la preparacion de 1,2,3,5,tetrahidroimidazotienopirimidin-2-onas | |
ES516543A0 (es) | "procedimiento para estabilizar un antioxidante fenolico o mezclas que lo contienen". | |
BE877820A (fr) | Procede de preparation d'ethers phenoliques | |
ES512915A0 (es) | "procedimiento para la preparacion de nuevas fenilalcohilaminas". | |
IT7949438A0 (it) | Procedimento per l'alchilazione dicomposti fenolici per produrre fenoli orto- e para-monoalchilati e fenoli 2,4- e 2,6-dialchilati | |
AR231638A1 (es) | Procedimiento para obtener compuestos de 1-1-2-(1,4-benzoxatio o 1,4-benzoxatian o 1,4-benzodioxan-2-il)-alquilen-4-piperidil-2-imidazolinona,2-hexahidro-pirimidinona o 2-imino-imidazolidina | |
ES511384A0 (es) | "procedimiento para preparar acidos organicos bitioicos". | |
NO150718C (no) | Fremgangsmaate ved fremstilling av fenol ved termisk dealkylering av alkylerte fenoler | |
MX5685E (es) | Procedimiento para la preparacion de 4,5-diaril-2-(tio-substituido)-pirrol | |
MX152459A (es) | Procedimiento mejorado para la obtencion de dianhidrido 3,4,3',4'-benzofenontetracarboxilico | |
ZA807964B (en) | Process for the preparation of 4,1,6-trichloro -4,1'6-trideoxy galactosucrose | |
NO151038C (no) | Fremgangsmaate ved fremstilling av fenol ved katalytisk dealkylering av alkylfenoler | |
IT1129966B (it) | Processo per la preparazione di fenoli | |
RO76486A (ro) | Procedeu pentru prepararea unor 2,6-dinitrobenzenamine | |
JPS5531073A (en) | Phenolic esteramide antioxidant | |
MX5508E (es) | Procedimiento para la preparacion de o-carbamoiloximas de 2,3-dihidro-4h-1-benzopiran-4-ona | |
BR7903880A (pt) | Mistura para machos de fundicao | |
ES516597A0 (es) | "procedimiento de preparacion de nuevos compuestos de lactama". | |
DE2963169D1 (en) | Bis(4-hydroxyphenylthio) benzene, its preparation and application for the preparation of polycarbonates | |
ES523333A0 (es) | Procedimiento para preparar bencenos sustituidos. | |
JPS5398932A (en) | Preparation of o-nitro-o'-hydroxyazobenzenes and 2-(2'-hydroxyphenyl)- 1,2,3-benzotriazoles | |
ES516464A0 (es) | "procedimiento para preparar nuevos derivados organofosfonados". |