NL8400702A - PROCESS FOR THE PREPARATION OF CARBAPENEM DERIVATIVES. - Google Patents

PROCESS FOR THE PREPARATION OF CARBAPENEM DERIVATIVES.

Info

Publication number
NL8400702A
NL8400702A NL8400702A NL8400702A NL8400702A NL 8400702 A NL8400702 A NL 8400702A NL 8400702 A NL8400702 A NL 8400702A NL 8400702 A NL8400702 A NL 8400702A NL 8400702 A NL8400702 A NL 8400702A
Authority
NL
Netherlands
Prior art keywords
preparation
carbapenem derivatives
carbapenem
derivatives
Prior art date
Application number
NL8400702A
Other languages
Dutch (nl)
Original Assignee
Bristol Myers Co
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 Bristol Myers Co filed Critical Bristol Myers Co
Publication of NL8400702A publication Critical patent/NL8400702A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D477/00Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/06Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C07D213/16Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
    • C07D213/20Quaternary compounds thereof
    • 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D213/28Radicals substituted by singly-bound oxygen or sulphur atoms
    • C07D213/30Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/65One oxygen atom attached in position 3 or 5
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/70Sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72Nitrogen atoms
    • C07D213/73Unsubstituted amino or imino radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/84Sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D295/00Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/088Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D477/00Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring
    • C07D477/02Preparation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
NL8400702A 1983-03-08 1984-03-05 PROCESS FOR THE PREPARATION OF CARBAPENEM DERIVATIVES. NL8400702A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US47137883A 1983-03-08 1983-03-08
US49969183A 1983-06-07 1983-06-07
US55729583A 1983-12-01 1983-12-01

Publications (1)

Publication Number Publication Date
NL8400702A true NL8400702A (en) 1984-10-01

Family

ID=27413179

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8400702A NL8400702A (en) 1983-03-08 1984-03-05 PROCESS FOR THE PREPARATION OF CARBAPENEM DERIVATIVES.

Country Status (31)

Country Link
JP (1) JPH05255250A (en)
KR (1) KR900002247B1 (en)
AR (1) AR241016A1 (en)
AT (1) AT387968B (en)
AU (2) AU572124B2 (en)
CA (1) CA1284324C (en)
CH (1) CH658248A5 (en)
CY (1) CY1546A (en)
DD (1) DD228258A5 (en)
DE (1) DE3408347A1 (en)
DK (1) DK140584A (en)
ES (2) ES8505205A1 (en)
FI (1) FI840863A (en)
FR (1) FR2542316B1 (en)
GB (1) GB2136802B (en)
GR (1) GR81871B (en)
HK (1) HK82990A (en)
HU (1) HU193895B (en)
IE (1) IE57098B1 (en)
IL (1) IL71149A (en)
IT (1) IT1178465B (en)
LU (1) LU85241A1 (en)
NL (1) NL8400702A (en)
NO (1) NO166038C (en)
NZ (1) NZ207346A (en)
OA (1) OA07674A (en)
PT (1) PT78211B (en)
SE (2) SE8401278L (en)
SG (1) SG35490G (en)
YU (2) YU46147B (en)
ZW (1) ZW3884A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4683301A (en) * 1982-04-08 1987-07-28 Bristol-Myers Company Carbapenem antibiotics
US4552696A (en) * 1982-04-09 1985-11-12 Bristol-Myers Company Carbapenem antibiotics
CA1285940C (en) * 1984-07-02 1991-07-09 Merck & Co., Inc. Carbapenems having a 2-quaternary heteroarylalkylthio substituent
IE851586L (en) * 1984-07-02 1986-01-02 Interchem Internat S A I methylcarbapenems having a 2-quaternary¹heteroarylalkylthio substituent
US4665169A (en) * 1985-09-11 1987-05-12 Bristol-Myers Company Carbapenem antibiotics
US4880922A (en) * 1985-11-22 1989-11-14 Bristol-Myers Company Carbapenems with quaternized heterothioalkylthio substitution at position 2
NZ219892A (en) * 1986-04-15 1991-02-26 Merck & Co Inc N-amino quaternised heteroarylium carbapenem derivatives and pharmaceutical compositions thereof
IE910606A1 (en) * 1990-02-23 1991-08-28 Sankyo Co Carbapenem derivatives having antibiotic activity, their¹preparation and their use
US5712267A (en) * 1991-06-04 1998-01-27 Sankyo Company,. Limited Carbapenem derivatives, their preparation and their use as antibiotics
ATE348818T1 (en) 2003-06-12 2007-01-15 Btg Int Ltd CYCLIC HYDROXYLAMINES AS PSYCHOACTIVE COMPOUNDS
FR2921258A1 (en) * 2007-09-24 2009-03-27 Oreal TINCTORIAL COMPOSITION COMPRISING AT LEAST ONE COLOR DISULFIDE / THIOL PRECURSOR, COLORING PROCESS FROM THE COMPOSITION

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55147284A (en) * 1979-04-17 1980-11-17 Sanraku Inc Novel beta-lactam derivative and its preparation
IE52147B1 (en) * 1980-03-27 1987-07-08 Merck & Co Inc 4-(3-carboxy-2-oxopropyl)-azetidin-2-ones and process for their preparation
EP0038869A1 (en) * 1980-04-30 1981-11-04 Merck & Co. Inc. Process for the preparation of 1-carbapenems, and intermediates for their preparation
EP0060612A1 (en) * 1981-02-04 1982-09-22 Beecham Group Plc Process for the preparation of azabicyclo(3.2.0)-hept-2-ene derivatives
US4552873A (en) * 1981-08-19 1985-11-12 Sankyo Company Limited Carbapenem compounds, and compositions containing them
EP0074599A1 (en) * 1981-09-09 1983-03-23 Takeda Chemical Industries, Ltd. 5,6-cis-Carbapenem derivatives, their production and use
US4552696A (en) * 1982-04-09 1985-11-12 Bristol-Myers Company Carbapenem antibiotics
US4536335A (en) * 1982-06-18 1985-08-20 Bristol-Myers Company Carbapenem antibiotics

Also Published As

Publication number Publication date
ATA76984A (en) 1988-09-15
AU605491B2 (en) 1991-01-17
ES530337A0 (en) 1985-05-16
DD228258A5 (en) 1985-10-09
FR2542316B1 (en) 1988-10-07
ZW3884A1 (en) 1984-10-10
SE8901162D0 (en) 1989-04-03
FI840863A (en) 1984-09-09
IT8419945A0 (en) 1984-03-07
IT1178465B (en) 1987-09-09
HUT34980A (en) 1985-05-28
IE57098B1 (en) 1992-04-22
YU46147B (en) 1993-05-28
ES537349A0 (en) 1985-08-16
DK140584A (en) 1984-09-09
CH658248A5 (en) 1986-10-31
NO840865L (en) 1984-09-10
NO166038B (en) 1991-02-11
SG35490G (en) 1990-07-13
GB2136802A (en) 1984-09-26
LU85241A1 (en) 1984-11-14
CA1284324C (en) 1991-05-21
FR2542316A1 (en) 1984-09-14
SE8401278D0 (en) 1984-03-07
PT78211A (en) 1984-04-01
ES8505205A1 (en) 1985-05-16
SE8901162L (en) 1989-04-03
ES8507145A1 (en) 1985-08-16
FI840863A0 (en) 1984-03-05
NZ207346A (en) 1987-01-23
GB2136802B (en) 1987-05-20
AR241016A1 (en) 1991-04-30
AU7592487A (en) 1987-10-22
YU42084A (en) 1986-08-31
AU2536084A (en) 1984-09-13
GR81871B (en) 1984-12-12
PT78211B (en) 1986-08-12
AU572124B2 (en) 1988-05-05
AT387968B (en) 1989-04-10
HK82990A (en) 1990-10-19
IL71149A0 (en) 1984-06-29
AR241016A2 (en) 1991-04-30
JPH05255250A (en) 1993-10-05
DE3408347A1 (en) 1984-09-13
KR900002247B1 (en) 1990-04-07
NO166038C (en) 1991-05-22
HU193895B (en) 1987-12-28
DK140584D0 (en) 1984-02-29
IL71149A (en) 1990-03-19
IE840549L (en) 1984-09-08
GB8405984D0 (en) 1984-04-11
YU46305B (en) 1993-05-28
SE8401278L (en) 1984-09-09
OA07674A (en) 1985-05-23
YU49486A (en) 1987-12-31
KR840008157A (en) 1984-12-13
CY1546A (en) 1991-03-22

Similar Documents

Publication Publication Date Title
NL190334C (en) PROCESS FOR THE PREPARATION OF POLYPHENYLENE OXIDES
NL191149C (en) Process for the preparation of 3-trifluoromethylpyridine derivatives.
MA20110A1 (en) Process for the preparation of cepheme derivatives.
NL194002B (en) Process for preparing sodium cefuroxime.
MA20250A1 (en) Process for the preparation of cephalosporin derivatives.
NL191787C (en) Process for the deprotection of allyl esters of carbapenem derivatives.
NL191313C (en) Process for the preparation of p-chloroalkylbenzene.
NL193211B (en) Process for preparing hydroxybutyraldehyde.
NL8400702A (en) PROCESS FOR THE PREPARATION OF CARBAPENEM DERIVATIVES.
ES516864A0 (en) PROCEDURE FOR THE PREPARATION OF PENEM DERIVATIVES.
BE887907A (en) PROCESS FOR THE PREPARATION OF HYDROCARBONS
NL192187B (en) Process for the preparation of caseinates.
NL191385C (en) Process for the preparation of 4-alkoxyanilines.
NL191358C (en) Procedure for setting tools.
NL181923C (en) PROCESS FOR THE PREPARATION OF BETA-AMINOPROPIONAMIDE.
NL191063B (en) Process for the preparation of carburizing agents.
NL192457B (en) Process for the preparation of dihydroxycyclobutenedione.
NL192112B (en) Process for the preparation of aspartame.
NL189253C (en) PROCESS FOR THE PREPARATION OF 2-MERCAPTO-1-ETHANOL.
NL193407B (en) Process for the preparation of 3-exomethylenecepham derivatives.
NL187013C (en) PROCESS FOR PREPARING ISOBUTYRYLFLUORIDE.
NL191487C (en) Process for the preparation of ethylene oxide.
NL184274C (en) PROCESS FOR THE PREPARATION OF 7-ALFA-ACYLTHIO-4-AN-3-OXOSTEROIDS.
NL190114C (en) PROCESS FOR THE PREPARATION OF MONONITROCHLOROBENZENE.
NL187626C (en) PROCESS FOR PREPARING ISOBUTYRYLFLUORIDE.

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: BRISTOL-MYERS SQUIBB COMPANY

BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed