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-dialchilati

Info

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
Application number
IT7949438A
Other languages
English (en)
Other versions
IT1188838B (it
Inventor
Nicholas Paul Greco
Original Assignee
Koppers Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koppers Co Inc filed Critical Koppers Co Inc
Publication of IT7949438A0 publication Critical patent/IT7949438A0/it
Application granted granted Critical
Publication of IT1188838B publication Critical patent/IT1188838B/it

Links

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)
IT49438/79A 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 IT1188838B (it)

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)

* Cited by examiner, † Cited by third party
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
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2924161C2 (de) 1984-01-26
GB2023139A (en) 1979-12-28
DE2924161A1 (de) 1980-02-28
US4215229A (en) 1980-07-29
FR2428624A1 (fr) 1980-01-11
IT1188838B (it) 1988-01-28
BE877020A (fr) 1979-10-01
GB2023139B (en) 1983-02-23
JPS5931488B2 (ja) 1984-08-02
JPS554382A (en) 1980-01-12

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
FR2288723A1 (fr) Procede pour l'alkylation selective de la position ortho des phenols
ES511835A0 (es) "procedimiento para la preparacion de nuevas piriimidinonas".
MX6242E (es) Procedimiento para la preparacion de 1,2,3,5,tetrahidroimidazotienopirimidin-2-onas
IT8048871A0 (it) Procedimento per prevenire la colorazione di fenoli bivalenti
BE877820A (fr) Procede de preparation d'ethers phenoliques
BR7904218A (pt) Processo para preparacao de 3-benzil-3-azabiciclo-(3,1,0)-hexano
ES512915A0 (es) "procedimiento para la preparacion de nuevas fenilalcohilaminas".
ES496019A0 (es) Procedimiento para la preparacion de (2,2')-disulfuros de ditiazolilo
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
NO150718C (no) Fremgangsmaate ved fremstilling av fenol ved termisk dealkylering av alkylerte fenoler
ES507261A0 (es) Procedimiento para la preparacion de agentes de carburacion.
MX5685E (es) Procedimiento para la preparacion de 4,5-diaril-2-(tio-substituido)-pirrol
ES511834A0 (es) "procedimiento para la preparacion de nuevas indolinonas".
MX152459A (es) Procedimiento mejorado para la obtencion de dianhidrido 3,4,3',4'-benzofenontetracarboxilico
NO151038C (no) Fremgangsmaate ved fremstilling av fenol ved katalytisk dealkylering av alkylfenoler
ZA807964B (en) Process for the preparation of 4,1,6-trichloro -4,1'6-trideoxy galactosucrose
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