IL44084A - Homogeneous catalytic reduction of 6-methylenetetracyclines - Google Patents

Homogeneous catalytic reduction of 6-methylenetetracyclines

Info

Publication number
IL44084A
IL44084A IL44084A IL4408474A IL44084A IL 44084 A IL44084 A IL 44084A IL 44084 A IL44084 A IL 44084A IL 4408474 A IL4408474 A IL 4408474A IL 44084 A IL44084 A IL 44084A
Authority
IL
Israel
Prior art keywords
process according
rhodium
catalyst
hydrogen
reaction
Prior art date
Application number
IL44084A
Other languages
English (en)
Other versions
IL44084A0 (en
Original Assignee
Pfizer
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27406609&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL44084(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfizer filed Critical Pfizer
Publication of IL44084A0 publication Critical patent/IL44084A0/xx
Publication of IL44084A publication Critical patent/IL44084A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/24—Phosphines, 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
    • B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/60—Reduction reactions, e.g. hydrogenation
    • B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
    • B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
    • B01J2231/645—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/82—Metals of the platinum group
    • B01J2531/822—Rhodium

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)
  • Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Steroid Compounds (AREA)
IL44084A 1973-02-01 1974-01-25 Homogeneous catalytic reduction of 6-methylenetetracyclines IL44084A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32851473A 1973-02-01 1973-02-01
US36806073A 1973-06-08 1973-06-08
US42827873A 1973-12-26 1973-12-26

Publications (2)

Publication Number Publication Date
IL44084A0 IL44084A0 (en) 1974-05-16
IL44084A true IL44084A (en) 1977-10-31

Family

ID=27406609

Family Applications (1)

Application Number Title Priority Date Filing Date
IL44084A IL44084A (en) 1973-02-01 1974-01-25 Homogeneous catalytic reduction of 6-methylenetetracyclines

Country Status (18)

Country Link
JP (1) JPS5912111B2 (no)
AR (1) AR210453A1 (no)
CA (1) CA1027117A (no)
CH (1) CH589605A5 (no)
DD (1) DD110855A5 (no)
DE (1) DE2403714C2 (no)
ES (1) ES422758A1 (no)
FI (1) FI58492C (no)
FR (1) FR2216268A1 (no)
IE (1) IE38797B1 (no)
IL (1) IL44084A (no)
IN (1) IN138662B (no)
LU (1) LU69288A1 (no)
NL (1) NL166921B (no)
NO (2) NO151585C (no)
PH (1) PH14446A (no)
SE (1) SE435619C (no)
YU (1) YU39915B (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR208347A1 (es) * 1974-12-19 1976-12-20 Pfizer Mejora en la produccion de alfa-6-deoxitetraciclinas
YU41093B (en) * 1978-04-12 1986-12-31 Pliva Pharm & Chem Works Process for preparing 6-deoxy-5hydroxy-tetracycline
US4500458A (en) * 1982-01-19 1985-02-19 Plurichemie Anstalt Process for the preparation of α-6-deoxytetracyclines
USRE32535E (en) * 1982-01-19 1987-10-27 Plurichemie Anstalt Process for the preparation of α-6-deoxytetracyclines
PT76061A (en) * 1982-12-30 1983-01-01 Stable homogeneous hydrogenation rhodium catalyst - useful in high yield prodn. of doxycycline by stereospecific hydrogenation
DK386784A (da) * 1983-08-17 1985-02-18 Hovione Int Ltd Fremgangsmaade til fremstilling af alfa-6-desoxy-tetracykliner
US4973719A (en) * 1988-10-28 1990-11-27 Ranbaxy Laboratories Limited Process for the production of alpha-6-deoxytetracyclines
EP0391005B1 (en) * 1989-04-03 1991-10-16 Ranbaxy Laboratories, Ltd. Process for the production of alpha-6-deoxytetracyclines
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639439A (en) * 1964-12-10 1972-02-01 Shell Oil Co Rhodium (i) halide complexes
US3489786A (en) * 1964-12-10 1970-01-13 Shell Oil Co Hydrogenation process
GB1121643A (en) * 1966-02-07 1968-07-31 Ici Ltd Hydrogenation process
CH579531A5 (no) * 1972-02-24 1976-09-15 Ankerfarm Spa
AR208347A1 (es) * 1974-12-19 1976-12-20 Pfizer Mejora en la produccion de alfa-6-deoxitetraciclinas

Also Published As

Publication number Publication date
FR2216268B1 (no) 1978-01-06
NO153806C (no) 1986-05-28
YU25374A (en) 1982-02-28
FI58492B (fi) 1980-10-31
NL166921B (nl) 1981-05-15
DE2403714C2 (de) 1987-04-09
IE38797B1 (en) 1978-06-07
DD110855A5 (no) 1975-01-12
FI58492C (fi) 1986-09-05
JPS49102662A (no) 1974-09-27
YU39915B (en) 1985-06-30
AU6490674A (en) 1975-07-31
SE435619C (sv) 1985-11-18
CA1027117A (en) 1978-02-28
AR210453A1 (es) 1977-08-15
FR2216268A1 (en) 1974-08-30
DE2403714A1 (de) 1974-08-22
NO740320L (no) 1974-08-02
NO151585C (no) 1985-05-08
NO843825L (no) 1974-08-02
CH589605A5 (no) 1977-07-15
NO151585B (no) 1985-01-21
IE38797L (en) 1974-08-01
SE7400879L (no) 1974-09-12
IN138662B (no) 1976-03-06
SE435619B (sv) 1984-10-08
PH14446A (en) 1981-07-22
NL7401340A (no) 1974-08-05
IL44084A0 (en) 1974-05-16
ES422758A1 (es) 1976-08-01
LU69288A1 (no) 1974-09-25
JPS5912111B2 (ja) 1984-03-21
NO153806B (no) 1986-02-17

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