ES554444A0 - Un procedimiento para preparar nuevos derivados lactonicos macrociclicos. - Google Patents

Un procedimiento para preparar nuevos derivados lactonicos macrociclicos.

Info

Publication number
ES554444A0
ES554444A0 ES554444A ES554444A ES554444A0 ES 554444 A0 ES554444 A0 ES 554444A0 ES 554444 A ES554444 A ES 554444A ES 554444 A ES554444 A ES 554444A ES 554444 A0 ES554444 A0 ES 554444A0
Authority
ES
Spain
Prior art keywords
lacton
derivatives
procedure
preparing new
new macrocyclic
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
ES554444A
Other languages
English (en)
Other versions
ES8802229A1 (es
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.)
Glaxo Group Ltd
Original Assignee
Glaxo Group Ltd
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
Priority claimed from GB858510943A external-priority patent/GB8510943D0/en
Priority claimed from GB858510944A external-priority patent/GB8510944D0/en
Priority claimed from GB858510942A external-priority patent/GB8510942D0/en
Priority claimed from GB868606103A external-priority patent/GB8606103D0/en
Application filed by Glaxo Group Ltd filed Critical Glaxo Group Ltd
Publication of ES8802229A1 publication Critical patent/ES8802229A1/es
Publication of ES554444A0 publication Critical patent/ES554444A0/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/20Carbocyclic rings
    • C07H15/22Cyclohexane rings, substituted by nitrogen atoms
    • C07H15/238Cyclohexane rings substituted by two guanidine radicals, e.g. streptomycins
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/01Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing oxygen
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P33/00Antiparasitic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P33/00Antiparasitic agents
    • A61P33/10Anthelmintics
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor
    • C12N1/205Bacterial isolates
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P17/00Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
    • C12P17/18Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms containing at least two hetero rings condensed among themselves or condensed with a common carbocyclic ring system, e.g. rifamycin
    • C12P17/181Heterocyclic compounds containing oxygen atoms as the only ring heteroatoms in the condensed system, e.g. Salinomycin, Septamycin
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12RINDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00Microorganisms ; Processes using microorganisms
    • C12R2001/01Bacteria or Actinomycetales ; using bacteria or Actinomycetales
    • C12R2001/465Streptomyces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Virology (AREA)
  • Biomedical Technology (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Saccharide Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
ES554444A 1985-04-30 1986-04-28 Un procedimiento para preparar nuevos derivados lactonicos macrociclicos. Expired ES8802229A1 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB858510943A GB8510943D0 (en) 1985-04-30 1985-04-30 Chemical compounds
GB858510944A GB8510944D0 (en) 1985-04-30 1985-04-30 Chemical compounds
GB858510942A GB8510942D0 (en) 1985-04-30 1985-04-30 Chemical compounds
GB868606103A GB8606103D0 (en) 1986-03-12 1986-03-12 Chemical compounds

Publications (2)

Publication Number Publication Date
ES8802229A1 ES8802229A1 (es) 1988-04-16
ES554444A0 true ES554444A0 (es) 1988-04-16

Family

ID=27449656

Family Applications (4)

Application Number Title Priority Date Filing Date
ES554444A Expired ES8802229A1 (es) 1985-04-30 1986-04-28 Un procedimiento para preparar nuevos derivados lactonicos macrociclicos.
ES557517A Expired ES8802522A1 (es) 1985-04-30 1987-04-30 Un procedimiento para preparar nuevos derivados macrociclicos de lactona
ES557774A Expired ES8900093A1 (es) 1985-04-30 1987-10-30 Un procedimiento para preparar nuevos antibioticos macrociclicos que contienen anillos de dihidrobenzofurano y de pirano
ES557851A Expired ES9000023A1 (es) 1985-04-30 1988-09-01 Un procedimiento para preparar nuevos antibioticos macrociclicos que contienen anillos de dihidrobenzofurano y de pirano

Family Applications After (3)

Application Number Title Priority Date Filing Date
ES557517A Expired ES8802522A1 (es) 1985-04-30 1987-04-30 Un procedimiento para preparar nuevos derivados macrociclicos de lactona
ES557774A Expired ES8900093A1 (es) 1985-04-30 1987-10-30 Un procedimiento para preparar nuevos antibioticos macrociclicos que contienen anillos de dihidrobenzofurano y de pirano
ES557851A Expired ES9000023A1 (es) 1985-04-30 1988-09-01 Un procedimiento para preparar nuevos antibioticos macrociclicos que contienen anillos de dihidrobenzofurano y de pirano

Country Status (25)

Country Link
US (1) US4978675A (es)
JP (1) JPH0819132B2 (es)
KR (1) KR930011282B1 (es)
AT (1) AT397095B (es)
AU (1) AU596586B2 (es)
BE (1) BE904709A (es)
CA (1) CA1335368C (es)
CH (1) CH675124A5 (es)
DE (1) DE3614549C2 (es)
DK (1) DK160992C (es)
ES (4) ES8802229A1 (es)
FR (1) FR2587344B1 (es)
GB (1) GB2176182B (es)
GE (3) GEP19971046B (es)
HU (1) HU200771B (es)
IE (1) IE59070B1 (es)
IL (1) IL78621A (es)
LU (1) LU86412A1 (es)
LV (2) LV10777B (es)
NL (1) NL193420C (es)
NZ (1) NZ215997A (es)
PH (1) PH23386A (es)
PT (1) PT82485B (es)
RU (1) RU2004545C1 (es)
SE (1) SE503571C2 (es)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396250B (de) * 1984-09-14 1993-07-26 American Cyanamid Co Verfahren zur herstellung von neuen antibiotisch wirkenden verbindungen
ES8800986A1 (es) * 1985-07-27 1987-12-01 Pfizer Un procedimiento para la produccion de un nuevo derivado de avermectina
IE67373B1 (en) * 1985-09-13 1996-03-20 American Cyanamid Co Macrolide antibiotics and their preparation
US5185456A (en) * 1986-03-12 1993-02-09 American Cyanamid Company Macrolide compounds
GB8606108D0 (en) * 1986-03-12 1986-04-16 Glaxo Group Ltd Chemical compounds
US5336789A (en) * 1986-03-12 1994-08-09 American Cyanamid Company Macrolide compounds
ES2059366T3 (es) * 1986-03-12 1994-11-16 American Cyanamid Co Compuestos macrolidos.
GB8606123D0 (en) * 1986-03-12 1986-04-16 Glaxo Group Ltd Chemical compounds
AU609032B2 (en) * 1986-03-12 1991-04-26 American Cyanamid Company Macrolide compounds
BR8701118A (pt) * 1986-03-12 1988-01-05 Glaxo Group Ltd Processo para a preparacao de um composto quimico,processo para combater pestes em agricultura,horicultura ou silvicultura,ou em lojas,predios e outros locais publicos e composicao de controle de pestes
GB8613790D0 (en) * 1986-06-06 1986-07-09 Glaxo Group Ltd Chemical compounds
CA1296329C (en) * 1986-06-06 1992-02-25 Derek R. Sutherland Macrolide compounds
US5840704A (en) * 1986-07-16 1998-11-24 Pfizer Inc. Antiparasitic agents and process for their preparation
DE3750495T2 (de) * 1986-07-24 1995-02-23 Beecham Group Plc Milbemycin-Derivate mit parasitenabtötender Aktivität, ein Verfahren zu ihrer Herstellung und die sie enthaltenden Zusammensetzungen.
EP0260537A1 (en) * 1986-09-12 1988-03-23 American Cyanamid Company 13-Deoxy-23-oxo(keto) and 23-imino derivatives of 13-deoxy C-076-aglycone compounds
ES2055695T3 (es) * 1986-09-12 1994-09-01 American Cyanamid Co Derivados 23-desoxi de compuestos ll-f28249.
EP0259779B1 (en) * 1986-09-12 1994-08-10 American Cyanamid Company 23-Oxo (Keto) and 23-imino Derivatives of LL-F28249 Compounds
US5149832A (en) * 1986-09-12 1992-09-22 American Cyanamid Company Mono and diacyl derivatives of ll-f28249 compounds
US4916154A (en) * 1986-09-12 1990-04-10 American Cyanamid Company 23-Imino derivatives of LL-F28249 compounds
US5525506A (en) * 1987-01-23 1996-06-11 Pfizer Inc. Process for production of avermectins and cultures therefor
US5234831A (en) * 1987-01-23 1993-08-10 Pfizer Inc Cultures for production of B avermectins
US5238848A (en) * 1987-01-23 1993-08-24 Pfizer Inc Cultures for production of avermectins
US4886830A (en) * 1987-03-06 1989-12-12 American Cyanamid Company Mono- and diepoxide derivatives of 23-deoxyl-LL-F28249 compounds
US4956479A (en) * 1987-03-06 1990-09-11 American Cyanamid Company 23-deoxy-27-chloro derivatives of LL-F28249 compounds
US4886829A (en) * 1987-03-06 1989-12-12 American Cyanamid Company 23-Oxo (keto) and 23-imino derivatives of mono- and diepoxy LL-F28249 compounds
US4806527A (en) * 1987-03-16 1989-02-21 Merck & Co., Inc. Avermectin derivatives
US4871719A (en) * 1987-03-24 1989-10-03 Ciba-Geigy Corporation Composition for controlling parasites in productive livestock
EP0285561A3 (de) * 1987-03-27 1989-10-25 Ciba-Geigy Ag Parasitizide und insektizide Milbemycin-Derivate
JPS6431776A (en) * 1987-07-28 1989-02-02 Sankyo Co Novel macrolide compound and production thereof
PT88465B (pt) * 1987-09-11 1992-11-30 American Cyanamid Co Processo para a preparacao de um composto macrolido
GB8721377D0 (en) * 1987-09-11 1987-10-21 Glaxo Group Ltd Chemical compounds
GB8721378D0 (en) * 1987-09-11 1987-10-21 Glaxo Group Ltd Chemical process
GB8721373D0 (en) * 1987-09-11 1987-10-21 Glaxo Group Ltd Chemical process
GB8721375D0 (en) * 1987-09-11 1987-10-21 Glaxo Group Ltd Chemical process
GB8721376D0 (en) * 1987-09-11 1987-10-21 Glaxo Group Ltd Chemical compounds
GB8721647D0 (en) * 1987-09-15 1987-10-21 Pfizer Ltd Antiparasitic agents
US5240850A (en) * 1987-10-23 1993-08-31 Pfizer Inc. Cultures for production of avermectin aglycones
ES2045146T3 (es) * 1987-11-09 1994-01-16 Pfizer Avermectinas etiladas.
GB8726384D0 (en) * 1987-11-11 1987-12-16 Coopers Animal Health Veterinary treatment
GB8726730D0 (en) * 1987-11-14 1987-12-16 Pfizer Ltd Antiparasitic agents
GB8801908D0 (en) * 1988-01-28 1988-02-24 Glaxo Group Ltd Chemical compounds
GB8804440D0 (en) * 1988-02-25 1988-03-23 Pfizer Ltd Antiparasitic agents
GB8811036D0 (en) * 1988-05-10 1988-06-15 Glaxo Group Ltd Chemical compounds
JP2629047B2 (ja) * 1988-05-10 1997-07-09 アメリカン・サイアナミツド・カンパニー マクロライド化合物
GB8811037D0 (en) * 1988-05-10 1988-06-15 Glaxo Group Ltd Chemical compounds
GB8813150D0 (en) * 1988-06-03 1988-07-06 American Cyanamid Co Chemical compounds
GB8813760D0 (en) * 1988-06-10 1988-07-13 American Cyanamid Co Chemical process
US5428034A (en) * 1988-09-02 1995-06-27 Sankyo Co., Ltd. Milbemycin derivatives, their preparation and their use
US6001822A (en) * 1989-04-11 1999-12-14 Pfizer Inc. Antiparasitic formulations
DK0393890T3 (da) * 1989-04-11 1992-09-28 Pfizer Injicerbart præparat indeholdende 25-cyclohexyl-avermectin B1
NZ234802A (en) * 1989-08-14 1992-11-25 Merck & Co Inc Long acting injectable formulations comprising an avermectin compound and triacetin. treatment for internal and external parasites of animals
US5055486A (en) * 1989-12-22 1991-10-08 American Cyanamid Company 13-alkyl-23-imino derivative of LL-F28249 compounds and their use as endo- and ectoparasiticidal, insecticidal, acaricidal and nematocidal agents
US4988824A (en) * 1989-09-11 1991-01-29 Maulding Donald R Process for the preparation of 23-(C1-C6 alkyloxime)-LL-F28249 compounds
JP2622197B2 (ja) * 1990-03-01 1997-06-18 三共株式会社 13−エーテル置換ミルベマイシン誘導体
US5290804A (en) * 1991-05-01 1994-03-01 Merck & Co., Inc. Anthelmintic milbemycin analogs of novel microorganisms
DK0535734T3 (da) * 1991-09-30 1999-08-09 Merck & Co Inc Langtidsvirkende injicerbare formuleringer indeholdende hydrogeneret castorolie
US6103504A (en) * 1992-03-25 2000-08-15 Pfizer Inc. Process for production of avermectins and cultures therefor
DE19534366C2 (de) * 1995-09-15 2000-08-17 Asta Medica Ag Verfahren zur Herstellung von 2,3,4,6-Tetra-O-benzyl-D-glucopyranose und 2,3,4,6-Tetra-O-allyl-D-glucopyranose
CA2211949A1 (en) * 1997-07-21 1999-01-29 David Farley Johnson Nonaqueous compositions for parenteral administration
PT1197215E (pt) 2000-10-10 2006-07-31 Wyeth Corp Composicoes antelminticas
NZ552040A (en) * 2006-12-13 2009-04-30 Bomac Research Ltd Veterinary formulation comprising an anthelmintic compound and glyceryl acetate
DE102010064245A1 (de) 2010-12-28 2012-06-28 Bayer Animal Health Gmbh Makrocylischen Lactone und deren Verwendung und deren Kombinationen mit anderen Wirkstoffen
WO2012028556A1 (en) 2010-08-31 2012-03-08 Bayer Animal Health Gmbh Macrocyclic lactones and their use and their combinations with other active substances

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201861A (en) * 1977-10-03 1980-05-06 Merck & Co., Inc. Acyl derivatives of C-076 compounds
US4550160A (en) * 1979-08-13 1985-10-29 Merck & Co., Inc. Processes for the interconversion of C-076 compounds
JPS5632481A (en) * 1979-08-23 1981-04-01 Sankyo Co Ltd Antibiotic b-41d, its preparation, and acaricide and anthelminthic agent and repellent containing the same as active constituent
US4289760A (en) * 1980-05-02 1981-09-15 Merck & Co., Inc. 23-Keto derivatives of C-076 compounds
US4457920A (en) * 1981-09-03 1984-07-03 Merck & Co., Inc. 4a-Substituted avermectin compounds
US4423209A (en) * 1982-02-26 1983-12-27 Merck & Co., Inc. Processes for the interconversion of avermectin compounds
JPS59108785A (ja) * 1982-11-25 1984-06-23 Sankyo Co Ltd ミルベマイシン類の5−オキシム誘導体
JPS60126289A (ja) * 1983-11-14 1985-07-05 Sankyo Co Ltd ミルベマイシン類の5−カ−ボネ−ト誘導体
PT80577B (pt) * 1984-06-05 1987-09-18 American Cyanamid Co Processo para a producao de novos agentes macrolidos ll-f28249 uteis no tratamento de infeccoes helminticas por ectoparasitas artropodes e por acarideos
AT396250B (de) * 1984-09-14 1993-07-26 American Cyanamid Co Verfahren zur herstellung von neuen antibiotisch wirkenden verbindungen
ES8800986A1 (es) * 1985-07-27 1987-12-01 Pfizer Un procedimiento para la produccion de un nuevo derivado de avermectina

Also Published As

Publication number Publication date
IL78621A0 (en) 1986-08-31
NL193420C (nl) 1999-10-04
ES8802522A1 (es) 1988-07-16
GEP20001917B (en) 2000-01-05
DE3614549A1 (de) 1987-01-02
DK160992B (da) 1991-05-13
LV10777B (en) 1996-04-20
ATA115486A (de) 1993-06-15
RU2004545C1 (ru) 1993-12-15
JPS61280496A (ja) 1986-12-11
IE861127L (en) 1986-10-30
ES557851A0 (es) 1990-05-01
ES9000023A1 (es) 1990-05-01
DK196586D0 (da) 1986-04-29
KR930011282B1 (ko) 1993-11-29
SE503571C2 (sv) 1996-07-08
ES8900093A1 (es) 1988-12-01
HU200771B (en) 1990-08-28
GB2176182B (en) 1989-02-01
GEP19971046B (en) 1997-11-26
AU5676786A (en) 1986-11-06
DK196586A (da) 1986-10-31
LV10777A (lv) 1995-08-20
ES557517A0 (es) 1988-07-16
JPH0819132B2 (ja) 1996-02-28
LU86412A1 (fr) 1986-11-05
GB8610631D0 (en) 1986-06-04
US4978675A (en) 1990-12-18
IE59070B1 (en) 1993-12-15
PH23386A (en) 1989-07-26
NL193420B (nl) 1999-06-01
PT82485B (pt) 1988-03-03
LV10314A (lv) 1994-10-20
GB2176182A (en) 1986-12-17
KR860008205A (ko) 1986-11-14
HUT46012A (en) 1988-09-28
DE3614549C2 (de) 1998-03-12
SE8601998L (sv) 1986-10-31
SE8601998D0 (sv) 1986-04-29
ES8802229A1 (es) 1988-04-16
AT397095B (de) 1994-01-25
PT82485A (en) 1986-05-01
BE904709A (fr) 1986-10-30
DK160992C (da) 1991-11-11
NZ215997A (en) 1989-06-28
AU596586B2 (en) 1990-05-10
FR2587344B1 (fr) 1991-04-05
LV10314B (en) 1995-08-20
FR2587344A1 (fr) 1987-03-20
CA1335368C (en) 1995-04-25
GEP19970833B (en) 1997-02-10
ES557774A0 (es) 1988-12-01
IL78621A (en) 1991-06-30
NL8601103A (nl) 1986-11-17
CH675124A5 (es) 1990-08-31

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