DE1939355B2 - Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl - Google Patents

Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl

Info

Publication number
DE1939355B2
DE1939355B2 DE19691939355 DE1939355A DE1939355B2 DE 1939355 B2 DE1939355 B2 DE 1939355B2 DE 19691939355 DE19691939355 DE 19691939355 DE 1939355 A DE1939355 A DE 1939355A DE 1939355 B2 DE1939355 B2 DE 1939355B2
Authority
DE
Germany
Prior art keywords
temperature
reduction
water
carried out
yield
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE19691939355
Other languages
German (de)
English (en)
Other versions
DE1939355C3 (enrdf_load_stackoverflow
DE1939355A1 (de
Inventor
Grigorij N.; Kraft Maksim J.; Grinew Aleksej N.; Bogdanowa Nadesda S.; Borodina Galina M.; Nikolajewa Irina S.; Sytina Jewgenija N.; Jaroslawzewa Galina W.; Moskau Persin
Original Assignee
Wsesojusny Nautschno-Issledowatelskij Chimiko-Farmazewtitscheskij Institut Imeni Sergo Ordschonikidse, Moskau
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 Wsesojusny Nautschno-Issledowatelskij Chimiko-Farmazewtitscheskij Institut Imeni Sergo Ordschonikidse, Moskau filed Critical Wsesojusny Nautschno-Issledowatelskij Chimiko-Farmazewtitscheskij Institut Imeni Sergo Ordschonikidse, Moskau
Priority to DE19691939355 priority Critical patent/DE1939355B2/de
Publication of DE1939355A1 publication Critical patent/DE1939355A1/de
Publication of DE1939355B2 publication Critical patent/DE1939355B2/de
Application granted granted Critical
Publication of DE1939355C3 publication Critical patent/DE1939355C3/de
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/06Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
    • C07C37/07Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19691939355 1969-08-01 1969-08-01 Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl Granted DE1939355B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19691939355 DE1939355B2 (de) 1969-08-01 1969-08-01 Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691939355 DE1939355B2 (de) 1969-08-01 1969-08-01 Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl

Publications (3)

Publication Number Publication Date
DE1939355A1 DE1939355A1 (de) 1971-02-11
DE1939355B2 true DE1939355B2 (de) 1976-02-26
DE1939355C3 DE1939355C3 (enrdf_load_stackoverflow) 1976-10-07

Family

ID=5741719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691939355 Granted DE1939355B2 (de) 1969-08-01 1969-08-01 Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl

Country Status (1)

Country Link
DE (1) DE1939355B2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE1939355A1 (de) 1971-02-11

Similar Documents

Publication Publication Date Title
DE1445506C3 (de) Verfahren zur Gewinnung von reinem a-Aminobenzylpenicillin
DE1695069B2 (de) 3-hydroxy-2-oxo-1(2h)-pyridinsulfonsaeure-natriumsalz, verfahren zu seiner herstellung und seine verwendung zur herstellung von 2,3-pyridindiol
DE1939355C3 (enrdf_load_stackoverflow)
DE1939355B2 (de) Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl
DE1545930A1 (de) Verfahren zur Herstellung von Salzen des aminosubstituierten 1.2.4-Dithiazols
DE2321003C2 (de) Verfahren zur Herstellung von 5- Nitro-naphthochinon-(1,4)
DD146945A5 (de) Verfahren zur herstellung von 3,3-dimethyl-2-oxobuttersaeure
CH513789A (de) Verfahren zur Herstellung von 3,5,3',5'-Tetrabrom-2,4,2',4'-tetrahydroxydiphenyl
DE955510C (de) Verfahren zur Herstellung eines heterocyclischen Chinons
DE1795129B2 (de) Verfahren zur Herstellung von Alkalimetallsalzen des a-Aminobenzylpenicillins und seiner Epimeren
CH658856A5 (de) Verfahren zur herstellung von organischen, aromatischen und heterocyclischen hydroxy-verbindungen.
DE3022783A1 (de) Verfahren zur herstellung von 4-acylamido-2-nitro-1-alkoxybenzol-verbindungen
DE489571C (de) Verfahren zur Herstellung von Perinaphthindonen
DE945234C (de) Verfahren zur Herstellung von Maleinsaeure-monoureid
DE1695071C3 (de) 3-Hydroxy-2-imino-1 (2H) -pyridinsulfonsäure-monohydrat
CH617669A5 (enrdf_load_stackoverflow)
DE1795683C3 (de) Verfahren zur Herstellung von Dialkalimetallsalzen des Bis-(4-sulfoxyphenyl) - (2-pyridyl) -methane
EP0095177A1 (de) Verfahren zur Herstellung von N-Acetylaminoarylsulfonsäuren
DE2925359C3 (de) Verfahren zur Herstellung von Salzen der (-)cis-1,2-Epoxypropylphosphonsäure
DE1903388C3 (de) Verfahren zur Herstellung des Natriumsalzes von Ampicillin
EP0341594A2 (de) Verfahren zur Herstellung eines Addukts aus 2-Hydroxy-naphthalin-6-carbonsäure und 1,4-Dioxan und dessen Verwendung
DE830792C (de) Verfahren zur Herstellung von Acylaminoacetessigestern
AT209007B (de) Verfahren zur Herstellung von 9 α-Halogen-4-pregnen-16 α, 17 α,21-triol-3, 11, 20-trionen und ihren Estern
DE1695069C3 (de) 3-Hydroxy-2-oxo-l(2H)-pyridinsulfonsäure-Natriumsalz, Verfahren zu seiner Herstellung und seine Verwendung zur Herstellung von 23-Pyridindiol
DE1795683A1 (de) Verfahren zur herstellung von bis(4-sulfoxyphenyl)-(2-phyridyl)-methan bzw. dessen alkalimetallsalzen

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee