NL187012C - Werkwijze voor de bereiding van 2-methyleenaldehyden. - Google Patents

Werkwijze voor de bereiding van 2-methyleenaldehyden.

Info

Publication number
NL187012C
NL187012C NLAANVRAGE8102971,A NL8102971A NL187012C NL 187012 C NL187012 C NL 187012C NL 8102971 A NL8102971 A NL 8102971A NL 187012 C NL187012 C NL 187012C
Authority
NL
Netherlands
Prior art keywords
preparation
methylene aldehydes
aldehydes
methylene
Prior art date
Application number
NLAANVRAGE8102971,A
Other languages
English (en)
Other versions
NL8102971A (nl
NL187012B (nl
Original Assignee
Ruhrchemie Ag
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 Ruhrchemie Ag filed Critical Ruhrchemie Ag
Publication of NL8102971A publication Critical patent/NL8102971A/nl
Publication of NL187012B publication Critical patent/NL187012B/nl
Application granted granted Critical
Publication of NL187012C publication Critical patent/NL187012C/nl

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
    • C07C45/61—Preparation 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
    • C07C45/67—Preparation 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
    • C07C45/68—Preparation 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
    • C07C45/72—Preparation 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
    • C07C45/75—Reactions with formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NLAANVRAGE8102971,A 1980-07-04 1981-06-19 Werkwijze voor de bereiding van 2-methyleenaldehyden. NL187012C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3025350A DE3025350C2 (de) 1980-07-04 1980-07-04 Verfahren zur Herstellung von 2-Methylenaldehyden
DE3025350 1980-07-04

Publications (3)

Publication Number Publication Date
NL8102971A NL8102971A (nl) 1982-02-01
NL187012B NL187012B (nl) 1990-12-03
NL187012C true NL187012C (nl) 1991-05-01

Family

ID=6106399

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8102971,A NL187012C (nl) 1980-07-04 1981-06-19 Werkwijze voor de bereiding van 2-methyleenaldehyden.

Country Status (8)

Country Link
US (1) US4346239A (nl)
JP (1) JPS5745123A (nl)
CH (1) CH651006A5 (nl)
DE (1) DE3025350C2 (nl)
FR (1) FR2486069A2 (nl)
GB (1) GB2078748B (nl)
IT (1) IT1209875B (nl)
NL (1) NL187012C (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106557A1 (de) * 1981-02-21 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von (alpha)-alkylacroleinen
DE3213681A1 (de) * 1982-04-14 1983-10-27 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von (alpha)-alkylacroleinen
US4739111A (en) * 1983-05-26 1988-04-19 Exxon Research & Engineering Co. Alpha, beta-ethylenically unsaturated acids and derivatives thereof using a multicomponent acidic catalyst composition containing zirconium
WO1985002173A1 (en) * 1983-11-10 1985-05-23 Monsanto Company New route to long chain amines
JPS6133137A (ja) * 1984-07-24 1986-02-17 Sumitomo Chem Co Ltd チグリルアルデヒドの製造方法
US4683342A (en) * 1985-09-26 1987-07-28 International Flavors & Fragrances Inc. Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor
US4740639A (en) * 1987-06-12 1988-04-26 Eastman Kodak Company Process for preparation of 2,4-disubstituted-1,5-pentanediols
DE3740293A1 (de) * 1987-11-27 1989-06-01 Hoechst Ag Verfahren zur herstellung von alpha-alkylacroleinen
DE3811039A1 (de) * 1988-03-31 1989-10-19 Hoechst Ag Verfahren zur gewinnung von 2-methylalkanalen aus gemischen isomerer aldehyde
DE3842186A1 (de) * 1988-12-15 1990-06-21 Basf Ag Verfahren zur gewinnung von 2-alkylverzweigten alkanalen aus alkanalgemischen
US4945184A (en) * 1989-06-19 1990-07-31 Aristech Chemical Corporation Preparation of unsaturated ketones
ES2714899T3 (es) * 2016-09-30 2019-05-30 Oxea Gmbh Método de producción continuo para 2-metilenos-alcanales

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE875194C (de) * 1939-08-24 1953-04-30 Basf Ag Herstellung ª‡-substituierter Acroleine
US2518416A (en) * 1948-04-28 1950-08-08 Rohm & Haas Preparation of acroleins
US2639295A (en) * 1948-07-16 1953-05-19 Eastman Kodak Co Manufacture of unsaturated aldehydes
US3463818A (en) * 1966-01-25 1969-08-26 Int Flavors & Fragrances Inc Unsaturated aldehydes and alcohols
BE758908R (fr) * 1968-09-27 1971-05-13 Basf Ag Procede de preparation de dimethyl-2, 2-hydroxy-3-
DE2855504B2 (de) * 1978-12-22 1981-02-19 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur Herstellung von Methacrolein
JPS5587739A (en) * 1978-12-26 1980-07-02 Mitsui Petrochem Ind Ltd Preparation of aromatic aldehyde or ketone

Also Published As

Publication number Publication date
DE3025350A1 (de) 1982-01-28
FR2486069B2 (nl) 1984-10-19
FR2486069A2 (fr) 1982-01-08
NL8102971A (nl) 1982-02-01
GB2078748B (en) 1984-07-11
IT1209875B (it) 1989-08-30
CH651006A5 (de) 1985-08-30
NL187012B (nl) 1990-12-03
GB2078748A (en) 1982-01-13
DE3025350C2 (de) 1993-10-14
JPS5745123A (en) 1982-03-13
US4346239A (en) 1982-08-24
IT8148830A0 (it) 1981-07-03

Similar Documents

Publication Publication Date Title
NL183033C (nl) Werkwijze voor de bereiding van n-fosfonomethylglycine.
NL178684C (nl) Werkwijze voor de bereiding van dialkyloxalaten.
NL7708811A (nl) Werkwijze voor de bereiding van 2-hydroxyben- zoezuuraldehyden.
NL7904912A (nl) Werkwijze voor de bereiding van tertiaire alkenen.
NL7806623A (nl) Werkwijze voor de bereiding van een aldehyde.
NL187064C (nl) Werkwijze voor de bereiding van hydroxybenzaldehyden.
NL191313C (nl) Werkwijze voor de bereiding van p-chlooralkylbenzeen.
NL187012C (nl) Werkwijze voor de bereiding van 2-methyleenaldehyden.
NL172441C (nl) Werkwijze voor de bereiding van 2-ethylhexanol.
NL7900615A (nl) Werkwijze voor de bereiding van fluorbenzonitrilen.
NL189129C (nl) Werkwijze voor de bereiding van acylcyaniden.
NL7903036A (nl) Werkwijze voor de bereiding van propeen-etheen-blok- copolymeren.
NL7901344A (nl) Werkwijze voor de bereiding van fthalocyaninepigmen- ten.
NL181923C (nl) Werkwijze voor de bereiding van beta-aminopropionamide.
NL183898C (nl) Werkwijze voor de bereiding van cefamycine c.
NL189088C (nl) Werkwijze voor de bereiding van acylcyaniden.
NL7707767A (nl) Werkwijze voor de bereiding van gesubstitueer- de benzaldehyden.
NL7903251A (nl) Werkwijze voor de bereiding van cefalosporinen.
NL189253C (nl) Werkwijze voor de bereiding van 2-mercapto-1-ethanol.
NL188996C (nl) Werkwijze voor de bereiding van acylcyaniden.
NL172051C (nl) Werkwijze voor de continue bereiding van aldehyden.
NL8120383A (nl) Werkwijze voor de zuivering van vinylacetaat.
NL7900396A (nl) Werkwijze voor de bereiding van aromatische aldehyden.
NL184274C (nl) Werkwijze voor de bereiding van 7-alfa-acylthio-4-een-3-oxosteroiden.
NL7904060A (nl) Werkwijze voor de bereiding van anhydrisch bismuthtrichloride.

Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 20010619