NL8700656A - Nieuwe werkwijze. - Google Patents

Nieuwe werkwijze. Download PDF

Info

Publication number
NL8700656A
NL8700656A NL8700656A NL8700656A NL8700656A NL 8700656 A NL8700656 A NL 8700656A NL 8700656 A NL8700656 A NL 8700656A NL 8700656 A NL8700656 A NL 8700656A NL 8700656 A NL8700656 A NL 8700656A
Authority
NL
Netherlands
Prior art keywords
process according
acetone
methoxy
naphthaldehyde
takes place
Prior art date
Application number
NL8700656A
Other languages
English (en)
Dutch (nl)
Original Assignee
Beecham Group Plc
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 Beecham Group Plc filed Critical Beecham Group Plc
Publication of NL8700656A publication Critical patent/NL8700656A/nl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/20Unsaturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/255Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/65Preparation 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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • C07C45/68Preparation 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
    • C07C45/72Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • C07C45/68Preparation 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
    • C07C45/72Preparation 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
    • C07C45/73Preparation 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 combined with hydrogenation

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)
NL8700656A 1986-03-21 1987-03-20 Nieuwe werkwijze. NL8700656A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8607119 1986-03-21
GB868607119A GB8607119D0 (en) 1986-03-21 1986-03-21 Process

Publications (1)

Publication Number Publication Date
NL8700656A true NL8700656A (nl) 1987-10-16

Family

ID=10595051

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8700656A NL8700656A (nl) 1986-03-21 1987-03-20 Nieuwe werkwijze.

Country Status (8)

Country Link
JP (1) JPS62230744A (es)
CH (1) CH671014A5 (es)
DK (1) DK142387A (es)
ES (1) ES2004267A6 (es)
GB (1) GB8607119D0 (es)
GR (1) GR870454B (es)
NL (1) NL8700656A (es)
SE (1) SE8701168L (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5756851A (en) * 1996-10-21 1998-05-26 Albemarle Corporation Production of nabumetone or precursors thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2242972A1 (es) * 1973-09-11 1975-04-04 Beecham Group Ltd
EP0003643A1 (en) * 1978-01-27 1979-08-22 Beecham Group Plc Process for the preparation of 4-(6-methoxy-2-naphthyl)-butan-2-one; 4-(6-methoxy-2-naphthyl)-4-hydroxybut-3-en-2-one and a process for its preparation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2242972A1 (es) * 1973-09-11 1975-04-04 Beecham Group Ltd
EP0003643A1 (en) * 1978-01-27 1979-08-22 Beecham Group Plc Process for the preparation of 4-(6-methoxy-2-naphthyl)-butan-2-one; 4-(6-methoxy-2-naphthyl)-4-hydroxybut-3-en-2-one and a process for its preparation

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 090, no. 1, 1 January 1979, Columbus, Ohio, US; abstract no. 000223, GOUDIE A C ET AL: "4-(6-Methoxy-2-naphthyl)butan-2-one and related analogs, a novel structural class of antiinflammatory compounds" *
CHEMICAL ABSTRACTS, vol. 103, no. 17, 28 October 1985, Columbus, Ohio, US; abstract no. 141569, LIU K ET AL: "Synthesis of nabumetone" *
J. MED. CHEM. (JMCMAR,00222623);78; VOL.21 (12); PP.1260-4, BEECHAM PHARM.;MED. RES. CENT.; HARLOW/ESSEX; ENGL. *
YIYAO GONGYE (YIGODN);85; VOL.16 (4); PP.147-9, JIANGSU PHARM. IND. CO.;PEOP. REP. CHINA (CN) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5756851A (en) * 1996-10-21 1998-05-26 Albemarle Corporation Production of nabumetone or precursors thereof
US5907069A (en) * 1996-10-21 1999-05-25 Albemarle Corporation Production of nabumetone or precursors thereof

Also Published As

Publication number Publication date
CH671014A5 (en) 1989-07-31
SE8701168D0 (sv) 1987-03-20
SE8701168L (sv) 1987-09-22
GB8607119D0 (en) 1986-04-30
DK142387A (da) 1987-09-22
DK142387D0 (da) 1987-03-19
GR870454B (en) 1987-07-10
ES2004267A6 (es) 1988-12-16
JPS62230744A (ja) 1987-10-09

Similar Documents

Publication Publication Date Title
EP0370461B1 (en) Chalcone derivatives and process for producing the same
JP2830211B2 (ja) β−ヒドロキシケトン類の製造方法
US4877909A (en) Process for reducing aldehydes or ketones
US5274145A (en) α-hydroxy-acids, preparation process and the use thereof
NL8700656A (nl) Nieuwe werkwijze.
US3387003A (en) Process for the production of 3-methyl-2-cyclopentene-4-ol-1-ones
Bidd et al. Convenient syntheses of bifunctional C 12-acyclic compounds from cyclododecanone
Serota et al. Novel synthesis of. alpha.-substituted acrylic acids
US4467119A (en) Phenolic antioxidant
US5696274A (en) Syntheses based on 2-hydroxyacetophenone
US4517382A (en) 1-Formyl-tri- and tetramethyl-cyclohex-1-en-3-one oximes
US3825572A (en) Epimeric mixtures of the lactone 3,6-dihydro-4,5-dimethyl-5-phenyl-alpha-pyrone
US3845076A (en) Method of preparing aldehydes
JP2857628B2 (ja) ジャスモン酸メチルのエピ体の高含有率物の製造方法
EP0165595A2 (en) Process for preparing 5-deoxy-L-arabinose
JP2000169400A (ja) スチレントリマ―の製造方法
JP4100007B2 (ja) シクロペンテノロン類の精製方法
NO163557B (no) Kassettfilter.
CA1198441A (en) Process for the preparation of lineatin
US3280191A (en) Method for preparing dihydroxyacetone
Derieg et al. 3-Aminoquinazolines: Structural assignments
JPH0273033A (ja) 4,4―ジメチル―1―(p―クロロフエニル)ペンタン―3―オンの製造方法
US2432961A (en) Substituted thieno uracils and methods of preparing same
US4346238A (en) Process for the preparation of crystalline sodium paraformylphenolate
SU694490A1 (ru) Бициклические сесквитерпеновые кетоны в качестве душистых веществ

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed