BR6465394D0 - Processo para a preparacao de derivados de cromo - Google Patents

Processo para a preparacao de derivados de cromo

Info

Publication number
BR6465394D0
BR6465394D0 BR165394/64A BR16539464A BR6465394D0 BR 6465394 D0 BR6465394 D0 BR 6465394D0 BR 165394/64 A BR165394/64 A BR 165394/64A BR 16539464 A BR16539464 A BR 16539464A BR 6465394 D0 BR6465394 D0 BR 6465394D0
Authority
BR
Brazil
Prior art keywords
preparation
chrome
derivatives
chrome derivatives
Prior art date
Application number
BR165394/64A
Other languages
English (en)
Portuguese (pt)
Inventor
& Co Inc Merck
Original Assignee
& Co Inc Merck
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 & Co Inc Merck filed Critical & Co Inc Merck
Publication of BR6465394D0 publication Critical patent/BR6465394D0/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
    • C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
BR165394/64A 1963-12-20 1964-12-16 Processo para a preparacao de derivados de cromo BR6465394D0 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33228763A 1963-12-20 1963-12-20
US605211A US3364234A (en) 1963-12-20 1966-12-28 Chroman compounds and preparation of same

Publications (1)

Publication Number Publication Date
BR6465394D0 true BR6465394D0 (pt) 1973-09-11

Family

ID=26988148

Family Applications (1)

Application Number Title Priority Date Filing Date
BR165394/64A BR6465394D0 (pt) 1963-12-20 1964-12-16 Processo para a preparacao de derivados de cromo

Country Status (7)

Country Link
US (1) US3364234A (enExample)
BR (1) BR6465394D0 (enExample)
CH (1) CH439323A (enExample)
DE (1) DE1300571B (enExample)
FR (1) FR1583155A (enExample)
GB (1) GB1086183A (enExample)
NL (1) NL6414659A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH475977A (de) * 1965-10-12 1969-07-31 Hoffmann La Roche Verfahren zur Herstellung eines Chromanderivates
US3459773A (en) * 1966-12-27 1969-08-05 Takasago Perfumery Co Ltd Process for producing alpha-tocopherol and its esters
CH547278A (de) * 1971-01-11 1974-03-29 Hoffmann La Roche Verfahren zur herstellung von chromanderivaten.
US3903317A (en) * 1974-04-29 1975-09-02 Hoffmann La Roche Preservation of foodstuffs with synergistic antioxidant composition comprising ascorbic acid and 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid
US3986980A (en) * 1974-04-29 1976-10-19 Hoffmann-La Roche Inc. Synergistic antioxidant composition comprising ascorbic acid and 6-hydroxy-2,5,7,8-tetramethylchroman-2- carboxylic acid

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA577760A (en) * 1959-06-16 Pittsburgh Plate Glass Company Preparation of phenolic alcohols
CA453166A (en) * 1948-12-07 Isler Otto Dl-tocopherols and process for the manufacture of same
DE731972C (de) * 1938-04-01 1943-02-25 Hoffmann La Roche Verfahren zur Darstellung von d 1-Tocopherolen
GB529082A (en) * 1938-05-31 1940-11-13 Univ Minnesota Improvements in chromanes and method of producing the same
DE713749C (de) * 1938-07-20 1941-11-15 Hoffmann La Roche & Co Akt Ges Verfahren zur Darstellung von Kondensationsprodukten
DE711332C (de) * 1938-12-07 1941-09-30 Merck Chem Fab E Verfahren zur Herstellung von Chromanen
BE581501A (fr) * 1958-08-27 1960-02-08 Merck & Co Inc Composés benzoquinoniques et leur préparation.
AT215995B (de) * 1958-11-07 1961-07-10 Hoffmann La Roche Verfahren zur Herstellung von neuen Chromanderivaten
GB870638A (en) * 1958-11-07 1961-06-14 Hoffmann La Roche Derivatives of 2,3-dimethoxy-5-methyl benzohydroquinone-(1,4) and a process for the manufacture thereof
US3026330A (en) * 1960-05-09 1962-03-20 Merck & Co Inc Chroman compounds having antioxidant activity
AT246437B (de) * 1961-05-29 1966-04-25 Axel Richard Dr Techn Wejnarth Gesinterte Legierung

Also Published As

Publication number Publication date
FR1583155A (enExample) 1969-10-24
CH439323A (de) 1967-07-15
DE1300571B (de) 1969-08-07
GB1086183A (en) 1967-10-04
NL6414659A (enExample) 1965-06-21
US3364234A (en) 1968-01-16

Similar Documents

Publication Publication Date Title
BR6458580D0 (pt) Processo para a preparacao de azadibenzo-ciclo-heptenos 5-substituidos
BR6463480D0 (pt) Processo para a preparacao de novos diidronaftalenos
BR6464004D0 (pt) Processo para preparacao de derivados de fenilciclopropan
BR6461671D0 (pt) Processo para a preparacao de derivados de imidazolidona
BR6457033D0 (pt) Um processo para a preparacao de aminoacetil-penicilinas
BR6460800D0 (pt) Processo aperfeicoado para a preparacao de derivados da cefalosporina
BR6460648D0 (pt) Processo para a preparacao de 19-alcoil-esteroides
BR6461880D0 (pt) Processo para a preparacao de um 2-guanidino-alcoil-cromano
BR6458654D0 (pt) Processo para a preparacao de derivados de progesterona
BR6465106D0 (pt) Processo para a preparacao de derivados de piperidina
BR6465535D0 (pt) Processo para a preparacao de derivados de fenilalanina
BR6465394D0 (pt) Processo para a preparacao de derivados de cromo
BR6458097D0 (pt) Processo para a preparacao de novos polipeptideos
BR6464771D0 (pt) Processo para a preparacao de derivados de quinazolina
BR6463332D0 (pt) Processo para a preparacao de esteres
BR6464249D0 (pt) Processo para preparacao de novos derivados de 5-acetamino-salicilamida
BR6463685D0 (pt) Processo para a preparacao de derivados de dibenzocicloheptenos
BR6456819D0 (pt) Processo para a preparacao de galacturonidios de esteroid
BR7017561D0 (pt) Processo para a preparacao de 1-hidroxi-2-amino-1- fenilal-canos substituidos
BR6460306D0 (pt) Processo para a preparacao de compostos benzimidazolicos
BR6457241D0 (pt) Processo para a preparacao de t-octil-guanidinas
BR6459108D0 (pt) Processo para a preparacao de 1-naftilacetamidas alfasubstituidas
BR6456764D0 (pt) Processo para a preparacao de benzenossulfonil-ureias
BR6460685D0 (pt) Processo para a preparacao de derivados de benzodiazepina
BR6464584D0 (pt) Processo para a preparacao de compostos de 6-metil-delta-14-pregnano