ES444143A1 - Un procedimiento para preparar un catalizador. - Google Patents

Un procedimiento para preparar un catalizador.

Info

Publication number
ES444143A1
ES444143A1 ES444143A ES444143A ES444143A1 ES 444143 A1 ES444143 A1 ES 444143A1 ES 444143 A ES444143 A ES 444143A ES 444143 A ES444143 A ES 444143A ES 444143 A1 ES444143 A1 ES 444143A1
Authority
ES
Spain
Prior art keywords
oxytetracycline
deoxy
preparation
reaction mixture
containing catalyst
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.)
Expired
Application number
ES444143A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 Pfizer Inc filed Critical Pfizer Inc
Publication of ES444143A1 publication Critical patent/ES444143A1/es
Expired legal-status Critical Current

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
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2204Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208Oxygen, e.g. acetylacetonates
    • B01J31/2226Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • 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
    • 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
    • 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
    • B01J31/26Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/28Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
    • B01J31/30Halides

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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ES444143A 1975-01-28 1976-01-08 Un procedimiento para preparar un catalizador. Expired ES444143A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/544,839 US3962131A (en) 1975-01-28 1975-01-28 Rhodium containing catalyst and use thereof in preparation of 6-deoxy-5-oxytetracycline

Publications (1)

Publication Number Publication Date
ES444143A1 true ES444143A1 (es) 1977-05-01

Family

ID=24173812

Family Applications (1)

Application Number Title Priority Date Filing Date
ES444143A Expired ES444143A1 (es) 1975-01-28 1976-01-08 Un procedimiento para preparar un catalizador.

Country Status (19)

Country Link
US (1) US3962131A (es)
JP (1) JPS5724177B2 (es)
AR (1) AR211112A1 (es)
BE (1) BE837665A (es)
CA (1) CA1035352A (es)
CH (1) CH609887A5 (es)
DE (1) DE2554524C3 (es)
DK (1) DK151381C (es)
ES (1) ES444143A1 (es)
FR (1) FR2299079A1 (es)
GB (1) GB1477995A (es)
HK (1) HK31079A (es)
IE (1) IE41936B1 (es)
KE (1) KE2941A (es)
LU (1) LU74230A1 (es)
MX (1) MX4844E (es)
MY (1) MY7900248A (es)
NL (1) NL159598B (es)
SE (1) SE428534B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT76061A (en) * 1982-12-30 1983-01-01 Stable homogeneous hydrogenation rhodium catalyst - useful in high yield prodn. of doxycycline by stereospecific hydrogenation
US4743699A (en) * 1982-01-19 1988-05-10 Plurichemie Anstalt Homogeneous catalytic system and a process for the preparation of same
US4550096A (en) * 1982-01-19 1985-10-29 Plurichemie Anstalt Homogeneous catalytic system comprising rhodium, hydrazine and phosphine and a process for the preparation of same
JPS5967358U (ja) * 1982-10-29 1984-05-07 三菱自動車工業株式会社 車両の配管取付構造
DK386784A (da) * 1983-08-17 1985-02-18 Hovione Int Ltd Fremgangsmaade til fremstilling af alfa-6-desoxy-tetracykliner
JPS6098520U (ja) * 1983-12-05 1985-07-05 関東自動車工業株式会社 フユ−エルチユ−ブプロテクタ装置
US4973719A (en) * 1988-10-28 1990-11-27 Ranbaxy Laboratories Limited Process for the production of alpha-6-deoxytetracyclines
US4902447A (en) * 1988-10-28 1990-02-20 Ranbaxy Laboratories Limited Process for the production of alpha-6-deoxytetracyclines and hydrogenation catalyst useful therein
US4987242A (en) * 1988-10-28 1991-01-22 Jagmohan Khanna Hydrogenation catalyst useful in the production of alpha-6-deoxytetracyclines
US5049683A (en) * 1989-01-04 1991-09-17 Houba, Inc. Process for the production of alpha-6-deoxytetracyclines
ES2019267T3 (es) * 1989-04-03 1993-09-16 Ranbaxy Laboratories, Ltd. Un procedimiento para la preparacion de alfa-6-desoxitetraciclinas.
CN111732522B (zh) * 2020-07-21 2022-10-18 山东国邦药业有限公司 一种脱氧土霉素的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759838A (en) * 1964-12-10 1973-09-18 Shell Oil Co Rhodium halide complex catalyst compositions
US3660493A (en) * 1967-10-17 1972-05-02 British Petroleum Co Hydroformylation process
GB1326012A (en) * 1969-07-14 1973-08-08 Johnson Matthey Co Ltd Catalyst compositions
US3907890A (en) * 1974-05-28 1975-09-23 Pfizer Preparation of alpha-6-deoxy-5-hydroxytetracycline

Also Published As

Publication number Publication date
DE2554524B2 (de) 1978-04-13
JPS5199697A (es) 1976-09-02
DK151381C (da) 1988-06-13
FR2299079B1 (es) 1978-02-10
KE2941A (en) 1979-04-06
LU74230A1 (es) 1976-12-31
AR211112A1 (es) 1977-10-31
FR2299079A1 (fr) 1976-08-27
MY7900248A (en) 1979-12-31
DK22876A (da) 1976-07-29
BE837665A (fr) 1976-07-19
DE2554524C3 (de) 1979-03-15
SE428534B (sv) 1983-07-11
US3962131A (en) 1976-06-08
DE2554524A1 (de) 1976-07-29
IE41936L (en) 1976-07-28
NL7600334A (nl) 1976-07-30
NL159598B (nl) 1979-03-15
HK31079A (en) 1979-05-18
AU1043376A (en) 1977-07-28
JPS5724177B2 (es) 1982-05-22
DK151381B (da) 1987-11-30
SE7600564L (sv) 1976-07-29
MX4844E (es) 1982-10-28
GB1477995A (en) 1977-06-29
IE41936B1 (en) 1980-04-23
CA1035352A (en) 1978-07-25
CH609887A5 (es) 1979-03-30

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