BE810415A - Reduction de 6-methylenetetracyclines par catalyse homogene - Google Patents

Reduction de 6-methylenetetracyclines par catalyse homogene

Info

Publication number
BE810415A
BE810415A BE1005683A BE1005683A BE810415A BE 810415 A BE810415 A BE 810415A BE 1005683 A BE1005683 A BE 1005683A BE 1005683 A BE1005683 A BE 1005683A BE 810415 A BE810415 A BE 810415A
Authority
BE
Belgium
Prior art keywords
methylenetetracyclines
rhodium
stereospecific
prod
high yield
Prior art date
Application number
BE1005683A
Other languages
English (en)
Inventor
T M Brennan
H Faubl
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 filed Critical
Publication of BE810415A publication Critical patent/BE810415A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/24Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
    • B01J31/2404Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/60Reduction reactions, e.g. hydrogenation
    • B01J2231/64Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
    • B01J2231/641Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
    • B01J2231/645Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80Complexes comprising metals of Group VIII as the central metal
    • B01J2531/82Metals of the platinum group
    • B01J2531/822Rhodium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (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)
BE1005683A 1973-02-01 1974-01-31 Reduction de 6-methylenetetracyclines par catalyse homogene BE810415A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32851473A 1973-02-01 1973-02-01

Publications (1)

Publication Number Publication Date
BE810415A true BE810415A (fr) 1974-07-31

Family

ID=23281294

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005683A BE810415A (fr) 1973-02-01 1974-01-31 Reduction de 6-methylenetetracyclines par catalyse homogene

Country Status (3)

Country Link
BE (1) BE810415A (fr)
HU (1) HU169753B (fr)
ZA (1) ZA74628B (fr)

Also Published As

Publication number Publication date
ZA74628B (en) 1974-12-24
HU169753B (fr) 1977-02-28

Similar Documents

Publication Publication Date Title
GB1377233A (en) Substituted para-fluorophenols and their use as cyan couplers
GB1472050A (en) Non-ionic x-ray contrast agents
ATE58534T1 (de) 2-pyrimidinyl-l-piperazin-derivate, verfahren zu ihrer herstellung und diese enthaltende arzneimittel.
FR2216268A1 (en) Catalytic hydrogenation of 6-methylenetetracyclines - using rhodium-tert phosphine complex catalyst giving a stereospecific prod. in high yield
DE3680800D1 (de) Verfahren zur herstellung von (6r)-tetrahydro-l-biopterin.
ES423736A1 (es) Procedimiento para la preparacion de aldehido 3-metil-mer- capto-propionico.
ES436314A1 (es) Procedimiento para la preparacion de nuevos 1-ariloxi-2-hi- droxi-3-alquinilaminopropanos.
GB925429A (en) Indole derivatives
ES425221A1 (es) Procedimiento mejorado para producir 6-desoxitetraciclinas.
BE810415A (fr) Reduction de 6-methylenetetracyclines par catalyse homogene
ES426340A1 (es) Procedimiento para la obtencion de lactonas.
ES453544A1 (es) Un procedimiento para la preparacion de derivados de etila- mina.
PH10050A (en) Method of producing l-glutamic acid by fermentation
GB1243214A (en) Nucleoside 6'-phosphonic acids and the corresponding phosphonates
ES449699A1 (es) Un procedimiento para la preparacion de una composicion an- tialergica.
ES371134A1 (es) Un procedimiento para producir derivados de benzodiazepin-2-ona.
IT1004271B (it) Procedimento per produrre 5 nitro naftochinone i 4
GB1306725A (en) Hydrogenated benz-epsilon-indenes and phenanthrenes and a process for the preparation thereof
ES431912A1 (es) Un procedimiento mejorado para la preparacion de un agente antibacteriano.
GB1290361A (fr)
GB1440372A (en) Process for the preparation of tetracyclines
DE3469354D1 (en) Isomerization of 1,3,3-trimethyl-7-oxabicyclo-û4.1.0¨ heptan-2-one
JPS5277048A (en) Purification of anthraquinones having substituents
ATA604674A (de) Verfahren zur herstellung von beta-amylase
ATE2951T1 (de) Verfahren zur herstellung von 3-dimethylamino-1phenyl-1-(m-chlorophenyl)propan-2-ol und zwischenprodukt fuer dieses verfahren.

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: PFIZER INC.

Effective date: 19940131