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SE8202039L - Cyklosporin c och sett att framstella denna forening - Google Patents

Cyklosporin c och sett att framstella denna forening

Info

Publication number
SE8202039L
SE8202039L SE8202039A SE8202039A SE8202039L SE 8202039 L SE8202039 L SE 8202039L SE 8202039 A SE8202039 A SE 8202039A SE 8202039 A SE8202039 A SE 8202039A SE 8202039 L SE8202039 L SE 8202039L
Authority
SE
Sweden
Prior art keywords
cyclosporin
substance
make
dihydrocyclosporin
kummelsten
Prior art date
Application number
SE8202039A
Other languages
English (en)
Inventor
A Ruegger
M Kuhn
Original Assignee
Sandoz Ag
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 Sandoz Ag filed Critical Sandoz Ag
Publication of SE8202039L publication Critical patent/SE8202039L/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, 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
    • C12N1/14—Fungi; Culture media therefor
    • C12N1/145—Fungal isolates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
    • C07K7/64—Cyclic peptides containing only normal peptide links
    • C07K7/645—Cyclosporins; Related peptides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00—Medicinal preparations containing peptides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/645—Fungi ; Processes using fungi
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/645—Fungi ; Processes using fungi
    • C12R2001/885—Trichoderma
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S930/00—Peptide or protein sequence
    • Y10S930/01—Peptide or protein sequence
    • Y10S930/27—Cyclic peptide or cyclic protein

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Mycology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Molecular Biology (AREA)
  • Botany (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Microbiology (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transplantation (AREA)
  • Rheumatology (AREA)
  • Pain & Pain Management (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (2)

PATENTKRAV
1. Cyklosporin C (formal 11) (21)Ans nr 8202039-7 Rotel 8131 (51)Klass C 07 C 103/52 C 12 P 21/04 (74)0mbud Kummelsten P CO CH, \CH-C H2- H CH3/ C113-14 o XI C. cn3,, 7.c. .H3HO CCC'' c • 3 7-3 7, 7, Cu C3 1 Cu-OH CH3 CH3-N-C H-CO-N— N —CH— CO —N —CH—C— N—CH2 II 0III 0 II,Li , i
2. L 0._ C.—N ---CO-C I-1—N —C 0 —CH —N—C—CH—N-CO—CH IIIIIII CH CH3 HCH3CH2 CH3 .......„CH2 I CHC/-13 CO3I CH3C '..CH3.....S11, H3 CH3 CO N-CH, till anvandning sore rnellanp-t for framstallnieldihydro-cyklosporin C.
SE8202039A 1975-11-04 1982-03-30 Cyklosporin c och sett att framstella denna forening SE8202039L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1419575A CH614931A5 (sv) 1975-11-04 1975-11-04

Publications (1)

Publication Number Publication Date
SE8202039L true SE8202039L (sv) 1982-03-30

Family

ID=4398730

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7611906A SE432247B (sv) 1975-11-04 1976-10-27 Sett att framstella dihydro-cyklosporin c
SE8202039A SE8202039L (sv) 1975-11-04 1982-03-30 Cyklosporin c och sett att framstella denna forening

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7611906A SE432247B (sv) 1975-11-04 1976-10-27 Sett att framstella dihydro-cyklosporin c

Country Status (23)

Country Link
US (1) US4108985A (sv)
JP (2) JPS5259180A (sv)
AT (1) AT359642B (sv)
AU (1) AU513538B2 (sv)
BE (1) BE847941A (sv)
CA (1) CA1087609A (sv)
CH (2) CH614931A5 (sv)
DE (2) DE2661031C2 (sv)
DK (1) DK148907C (sv)
ES (1) ES452942A1 (sv)
FI (1) FI60701C (sv)
FR (2) FR2330387A1 (sv)
GB (2) GB1567201A (sv)
IE (2) IE44750B1 (sv)
IL (1) IL50836A (sv)
NL (1) NL7612026A (sv)
NO (1) NO763667L (sv)
NZ (1) NZ182496A (sv)
PH (1) PH14725A (sv)
PT (1) PT65791B (sv)
SE (2) SE432247B (sv)
YU (1) YU270076A (sv)
ZA (1) ZA766340B (sv)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210581A (en) * 1975-11-04 1980-07-01 Sandoz Ltd. Organic compounds
DE2819094A1 (de) * 1977-05-10 1978-11-23 Sandoz Ag Cyclosporin-derivate, ihre verwendung und herstellung
FR2410658A1 (fr) * 1977-11-30 1979-06-29 Science Union & Cie Nouveau produit biologique d'origine fongique, son obtention et son application a la therapeutique
DE2907460A1 (de) * 1978-03-07 1979-09-13 Sandoz Ag Neue resorbierbare galenische kompositionen
SE448386B (sv) * 1978-10-18 1987-02-16 Sandoz Ag Nya cyklosporinderivat, forfarande for framstellning av dem samt farmaceutisk komposition innehallande dem
US4201771A (en) * 1979-03-12 1980-05-06 Merck & Co., Inc. Antibiotic A43F
JPS5665853A (en) * 1979-11-01 1981-06-03 Sankyo Co Ltd Mycoplanesin derivative and its preparation
US4396542A (en) * 1980-02-14 1983-08-02 Sandoz Ltd. Method for the total synthesis of cyclosporins, novel cyclosporins and novel intermediates and methods for their production
EP0034567B1 (en) * 1980-02-14 1984-11-07 Sandoz Ag A method for the total synthesis of cyclosporins and novel cyclosporins
US4370266A (en) * 1980-04-07 1983-01-25 Sankyo Company, Limited Mycoplanecin derivatives and their preparation
DE3260468D1 (en) * 1981-01-09 1984-09-06 Sandoz Ag Novel cyclosporins
US5639724A (en) 1984-07-24 1997-06-17 Sandoz Ltd. Cyclosporin galenic forms
GB8422253D0 (en) * 1984-09-04 1984-10-10 Sandoz Ltd Organic compounds
EP0314862A1 (en) * 1984-10-04 1989-05-10 Sandoz Ag Immunogenic conjugates comprising cyclosporins
US4727035A (en) * 1984-11-14 1988-02-23 Mahoney Walter C Immunoassay for cyclosporin
US4764503A (en) * 1986-11-19 1988-08-16 Sandoz Ltd. Novel cyclosporins
US4798823A (en) * 1987-06-03 1989-01-17 Merck & Co., Inc. New cyclosporin analogs with modified "C-9 amino acids"
EP0296122B1 (en) * 1987-06-17 1993-09-29 Sandoz Ag Cyclosporins and their use as pharmaceuticals
EP0373260B1 (en) * 1987-06-22 1994-03-09 Merck & Co. Inc. Cyclosporin derivatives with modified "8-amino acid"
GB8717300D0 (en) * 1987-07-22 1987-08-26 Nat Res Dev Cyclosporins
GB8717299D0 (en) * 1987-07-22 1987-08-26 Nat Res Dev Peptides
US5227467A (en) * 1987-08-03 1993-07-13 Merck & Co., Inc. Immunosuppressive fluorinated cyclosporin analogs
US4839342A (en) * 1987-09-03 1989-06-13 University Of Georgia Research Foundation, Inc. Method of increasing tear production by topical administration of cyclosporin
WO1989001772A1 (en) * 1987-09-03 1989-03-09 University Of Georgia Research Foundation, Inc. Ocular cyclosporin composition
US4914188A (en) * 1987-11-16 1990-04-03 Merck & Co., Inc. Novel 6-position cyclosporin analogs as non-immunosuppressive antagonists of cyclosporin binding to cyclophilin
US5236899A (en) * 1987-11-16 1993-08-17 Merck & Co., Inc. 6-position cyclosporin a analogs as modifiers of cytotoxic drug resistance
HU203564B (en) * 1987-12-21 1991-08-28 Sandoz Ag Process for producing new orthorombos cyclosporin without solvatation
US4943560A (en) * 1988-04-06 1990-07-24 Regents Of The University Of Minnesota Solvent system for chronic vascular infusion of hydrophobic drugs
US5342625A (en) * 1988-09-16 1994-08-30 Sandoz Ltd. Pharmaceutical compositions comprising cyclosporins
US7081445B2 (en) * 1989-02-20 2006-07-25 Novartis Ag Cyclosporin galenic forms
US4996193A (en) * 1989-03-03 1991-02-26 The Regents Of The University Of California Combined topical and systemic method of administration of cyclosporine
US5540931A (en) * 1989-03-03 1996-07-30 Charles W. Hewitt Methods for inducing site-specific immunosuppression and compositions of site specific immunosuppressants
GB8916901D0 (en) 1989-07-24 1989-09-06 Sandoz Ltd Improvements in or relating to organic compounds
US5122511A (en) * 1990-02-27 1992-06-16 Merck & Co., Inc. Immunosuppressive cyclosporin analogs with modified amino acids at position-8
AU660651B2 (en) * 1991-01-25 1995-07-06 Fujisawa Pharmaceutical Co., Ltd. Process for producing cyclosporin A and/or C
ES2065273B1 (es) * 1993-05-25 1995-09-16 Biogal Gyogyszergyar Procedimiento para la purificacion de ciclosporina a.
US5709797A (en) * 1996-06-05 1998-01-20 Poli Industria Chimica S.P.A. Method of isolating cyclosporins
KR20050084502A (ko) 1997-01-30 2005-08-26 노파르티스 아게 오일을 함유하지 않은 사이클로스포린 ａ 함유 제약 조성물
US6008191A (en) * 1997-09-08 1999-12-28 Panacea Biotec Limited Pharmaceutical compositions containing cyclosporin
US6346511B1 (en) 1997-09-08 2002-02-12 Panacea Biotec Limited Pharmaceutical composition comprising cyclosporin
IN188719B (sv) * 1997-09-08 2002-11-02 Panacea Biotec Ltd
US6187747B1 (en) 1997-09-08 2001-02-13 Panacea Biotech Limited Pharmaceutical composition comprising cyclosporin
DE69840586D1 (de) 1997-10-08 2009-04-02 Isotechnika Inc Deuterierte Cyclosporin-analoga und ihre Verwendung als immunmodulierende Agenzien
US20030220234A1 (en) * 1998-11-02 2003-11-27 Selvaraj Naicker Deuterated cyclosporine analogs and their use as immunodulating agents
ATE312843T1 (de) 1998-07-01 2005-12-15 Debiopharm Sa Neues cyclosporin mit verbesserter wirkung
MXPA04003625A (es) 2001-10-19 2004-12-02 Sotechnika Inc Sintesis de analogos de ciclosporina.
MEP89008A (en) * 2001-10-19 2011-12-20 Novel cyclosporin analog microemulsion preconcentrates
CA2518265A1 (en) 2003-03-17 2004-09-30 Albany Molecular Research, Inc. Novel cyclosporins
US20060014677A1 (en) * 2004-07-19 2006-01-19 Isotechnika International Inc. Method for maximizing efficacy and predicting and minimizing toxicity of calcineurin inhibitor compounds
JP2008514701A (ja) 2004-09-29 2008-05-08 エーエムアール テクノロジー インコーポレイテッド シクロスポリンアルキン類似体およびそれらの薬学的使用
US7511013B2 (en) 2004-09-29 2009-03-31 Amr Technology, Inc. Cyclosporin analogues and their pharmaceutical uses
US7361636B2 (en) 2004-10-06 2008-04-22 Amr Technology, Inc. Cyclosporin alkynes and their utility as pharmaceutical agents
US10137083B2 (en) * 2006-03-07 2018-11-27 SGN Nanopharma Inc Ophthalmic preparations
US11311477B2 (en) 2006-03-07 2022-04-26 Sgn Nanopharma Inc. Ophthalmic preparations
US7696165B2 (en) 2006-03-28 2010-04-13 Albany Molecular Research, Inc. Use of cyclosporin alkyne analogues for preventing or treating viral-induced disorders
US7696166B2 (en) 2006-03-28 2010-04-13 Albany Molecular Research, Inc. Use of cyclosporin alkyne/alkene analogues for preventing or treating viral-induced disorders
US20080206287A1 (en) * 2006-09-18 2008-08-28 Reed John C Use of cyclosporin A to sensitize resistant cancer cells to death receptor ligands
TW200932240A (en) 2007-10-25 2009-08-01 Astellas Pharma Inc Pharmaceutical composition containing lipophilic substance which inhibits IL-2 production
AU2010208071C1 (en) * 2009-01-30 2013-06-20 Enanta Pharmaceuticals, Inc. Cyclosporin analogues for preventing or treating hepatitis C infection
US8481483B2 (en) * 2009-02-19 2013-07-09 Enanta Pharmaceuticals, Inc. Cyclosporin analogues
US8349312B2 (en) * 2009-07-09 2013-01-08 Enanta Pharmaceuticals, Inc. Proline substituted cyclosporin analogues
US8367053B2 (en) 2009-07-09 2013-02-05 Enanta Pharmaceuticals, Inc. Cyclosporin analogues
US8685917B2 (en) * 2009-07-09 2014-04-01 Enanta Pharmaceuticals, Inc. Cyclosporin analogues
US8623814B2 (en) * 2010-02-23 2014-01-07 Enanta Pharmaceuticals, Inc. Antiviral agents
US9217015B2 (en) 2010-07-16 2015-12-22 S&T Global Inc. Cyclosporin derivatives for the treatment and prevention of a viral infection
US9573978B2 (en) 2010-08-12 2017-02-21 S&T Global, Inc. Cyclosporin derivatives for the treatment and prevention of a viral infection
US9890198B2 (en) 2010-12-03 2018-02-13 S&T Global Inc. Cyclosporin derivatives and uses thereof
PL2651965T3 (pl) 2010-12-15 2019-04-30 Contravir Pharmaceuticals Inc Cząsteczki analogów cyklosporyny modyfikowane w aminokwasach 1 i 3
WO2012145426A1 (en) 2011-04-18 2012-10-26 The Trustees Of Columbia University In The City Of New York Methods to treat cancer using cyclosporine and cyclosporine derivatives
WO2014085623A1 (en) 2012-11-28 2014-06-05 Enanta Pharmaceuticals, Inc. Novel [n-me-4-hydroxyleucine]-9-cyclosporin analogues
US9221878B2 (en) 2013-08-26 2015-12-29 Enanta Pharmaceuticals, Inc. Cyclosporin analogues for preventing or treating hepatitis C infection
US9669095B2 (en) 2014-11-03 2017-06-06 Enanta Pharmaceuticals, Inc. Cyclosporin analogues for preventing or treating hepatitis C infection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2463138C2 (de) * 1973-12-06 1984-07-05 Sandoz-Patent-GmbH, 7850 Lörrach Das Antibiotikum Cyclosporin B (S 7481/F-2), seine Herstellung und Verwendung

Also Published As

Publication number Publication date
YU270076A (en) 1982-05-31
DE2648121A1 (de) 1977-05-12
ATA812276A (de) 1980-04-15
DK148907B (da) 1985-11-11
FR2330387B1 (sv) 1980-03-14
CH619735A5 (sv) 1980-10-15
NO763667L (sv) 1977-05-05
CH614931A5 (sv) 1979-12-28
DK148907C (da) 1986-04-07
DE2648121C2 (de) 1986-05-28
JPS6210240B2 (sv) 1987-03-05
DE2661031C2 (sv) 1988-05-05
FR2338251A1 (fr) 1977-08-12
FR2330387A1 (fr) 1977-06-03
NL7612026A (nl) 1977-05-06
GB1567202A (en) 1980-05-14
IE44750B1 (en) 1982-03-24
FI763049A (sv) 1977-05-05
PT65791A (fr) 1976-12-01
PH14725A (en) 1981-11-13
DK483176A (da) 1977-05-05
US4108985A (en) 1978-08-22
FI60701C (fi) 1982-03-10
AU1926276A (en) 1978-05-11
SE7611906L (sv) 1977-05-05
FI60701B (fi) 1981-11-30
ES452942A1 (es) 1978-01-16
JPS6253520B2 (sv) 1987-11-10
JPS5259180A (en) 1977-05-16
GB1567201A (en) 1980-05-14
BE847941A (fr) 1977-05-03
PT65791B (fr) 1978-07-05
NZ182496A (en) 1981-12-15
IL50836A0 (en) 1977-01-31
JPS6277399A (ja) 1987-04-09
IE44750L (en) 1977-05-04
ZA766340B (en) 1978-06-28
AT359642B (de) 1980-11-25
IE44749B1 (en) 1982-03-24
IL50836A (en) 1979-10-31
IE44749L (en) 1977-05-04
AU513538B2 (en) 1980-12-11
CA1087609A (en) 1980-10-14
FR2338251B1 (sv) 1984-01-13
SE432247B (sv) 1984-03-26

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