EP0000383B1 - Pyrimido (4,5-c) pyridazines, their use in pharmaceutical preparations, and process for their preparation - Google Patents

Pyrimido (4,5-c) pyridazines, their use in pharmaceutical preparations, and process for their preparation Download PDF

Info

Publication number
EP0000383B1
EP0000383B1 EP78100331A EP78100331A EP0000383B1 EP 0000383 B1 EP0000383 B1 EP 0000383B1 EP 78100331 A EP78100331 A EP 78100331A EP 78100331 A EP78100331 A EP 78100331A EP 0000383 B1 EP0000383 B1 EP 0000383B1
Authority
EP
European Patent Office
Prior art keywords
group
formula
compound
optionally substituted
phenyl ring
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
EP78100331A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0000383A1 (en
Inventor
Robert William Morrison Jr.
William Revill Mallory
Virgil Lee Styles
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.)
Wellcome Foundation Ltd
Original Assignee
Wellcome Foundation 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
Application filed by Wellcome Foundation Ltd filed Critical Wellcome Foundation Ltd
Publication of EP0000383A1 publication Critical patent/EP0000383A1/en
Application granted granted Critical
Publication of EP0000383B1 publication Critical patent/EP0000383B1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more 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, directly attached to ring carbon atoms
    • C07D239/46Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/48Two nitrogen atoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more 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, directly attached to ring carbon atoms
    • C07D239/46Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/50Three nitrogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04Ortho-condensed systems

Definitions

  • lower as used herein in conjunction with an alkyl, alkoxy or acyl group is indicative of the fact that such groups have from 1 to 6 carbon atoms arranged in a straight or branched chain.
  • phenacyl group however is used to denote solely a C 6 H 5 COCH 2 ⁇ group.
  • the above compounds of formula (II) inhibit the enzyme dihydropteroate synthetase which enables microorganisms to synthesize an essential intermediate in the production of tetrahydrofolate co-factors.
  • Most of these co-factors are one-carbon adducts of tetrahydrofilic acid and they are essential metabolites in cells for the biosynthesis of purines, thymidylic acid, serine, and several other biologically important compounds.
  • Man and other higher animals are unable to synthesise folic acid and therefore they have to obtain them from food which contains the required preformed folates.
  • the hydrolysis of the lower acyloxymethyl group will preferably take place under alkaline conditions, for example, by using aqueous sodium hydroxide.
  • the hydrolysis will be carried out at a non extreme temperature, i.e. between 10° and 100°C, and preferably at room temperature.
  • the compounds of formula (VII) can be prepared preferably in situ, by condensing a 2 - amino - 4 - imino - 6 - hydrazinopyrimidine of formula (VIII), or a tautomer thereof, with an a-keto ester of formula (V).
  • Humans an other animals suffering from microbial infections may be treated by administering a non-toxic effective antimicrobial treatment amount of a compound of formula (II), or preferably administering a pharmaceutical formulation comprising the said amount of a compound of formula (II) and a pharmaceutically acceptable carrier, to the infected human or other animal.
  • the 3 ⁇ CH(OCH 3 )CO 2 H compound (disodium salt) was prepared in a manner similar to that of 6A from the 3 ⁇ CH(OCH 3 )CO 2 C 2 H 5 starting material, yield 69%.
  • Calcd. for C 10 H 9 N 5 Na 2 O 5 C, 36.93%; H, 2.79%; N, 21.54%; Na, 14.14%. Found: C, 36.70%; H, 2.92%; N, 21.38%; Na, 14.01%.
  • the reactions are followed by determining the amount of 14 C in H 2 pteroate after separation from the substrate, p-aminobenzoate-7- 14 C, by paper chromatography.

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP78100331A 1977-07-08 1978-07-07 Pyrimido (4,5-c) pyridazines, their use in pharmaceutical preparations, and process for their preparation Expired EP0000383B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2876577 1977-07-08
GB2876577 1977-07-08

Publications (2)

Publication Number Publication Date
EP0000383A1 EP0000383A1 (en) 1979-01-24
EP0000383B1 true EP0000383B1 (en) 1982-10-13

Family

ID=10280798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100331A Expired EP0000383B1 (en) 1977-07-08 1978-07-07 Pyrimido (4,5-c) pyridazines, their use in pharmaceutical preparations, and process for their preparation

Country Status (4)

Country Link
US (6) US4225710A (enrdf_load_stackoverflow)
EP (1) EP0000383B1 (enrdf_load_stackoverflow)
JP (1) JPS5419996A (enrdf_load_stackoverflow)
DE (1) DE2862102D1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225710A (en) * 1977-07-08 1980-09-30 Burroughs Wellcome Co. Pyrimido(4,5-c)pyridazines
JPS5422393A (en) * 1977-07-20 1979-02-20 Wellcome Found Novel heterocyclic compound and preparation and compositions thereof
US4260758A (en) * 1979-09-17 1981-04-07 Burroughs Wellcome Co. Pyrazolo (3,4-d) pyrimidines and methods of making
US5365624A (en) * 1993-03-02 1994-11-22 Berns Michael S Apparatus for automatic and simultaneous caring for teeth and gums
ES2216817T3 (es) * 1993-06-10 2004-11-01 Karlin Technology, Inc. Dispositivo protector con primero y segundo pasos para cirugia del espacio intervertebral.
CN1311665A (zh) * 1998-08-03 2001-09-05 新生制药公司 一种新的止痛、抗炎和创伤治疗剂
GB2353330B (en) 1999-08-04 2003-05-28 Pet Mate Ltd Pond pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2130358A (en) * 1937-04-07 1938-09-20 Eastman Kodak Co Azo compounds and process for coloring therewith
US2328956A (en) * 1942-08-18 1943-09-07 Gen Electric Diazine derivatives
US2435203A (en) * 1942-08-26 1948-02-03 Gen Electric Acylhydrazino amino derivatives
DK113716B (da) * 1960-07-30 1969-04-21 Takeda Chemical Industries Ltd Fremgangsmåde til fremstilling af 1-[pyrimidinyl-(2)]-guanazolforbindelser eller salte deraf.
US3382247A (en) * 1965-11-01 1968-05-07 Upjohn Co 6-amino-1, 2-dihydro-1-hydroxy-2-imino-4-phenoxypyrimidines
US3464987A (en) * 1966-02-21 1969-09-02 Upjohn Co 1,2-dihydro-1-hydroxy-2-imino-6-(lower alkyl)pyrimidines
US3947442A (en) * 1969-11-20 1976-03-30 The Sherwin-Williams Company Method for producing heterocyclic acid anhydrides and pyrimidinediones
US3998827A (en) * 1971-04-07 1976-12-21 The Upjohn Company 6-amino-4-(substituted piperidino)-1,2-dihydro-1-hydroxy-2-iminopyrimidines
US4225710A (en) * 1977-07-08 1980-09-30 Burroughs Wellcome Co. Pyrimido(4,5-c)pyridazines
EP0000382B1 (en) * 1977-07-08 1982-10-06 The Wellcome Foundation Limited Pyrimido (4,5-c)pyridazines, compositions containing them and processes for their preparation
JPS5422393A (en) * 1977-07-20 1979-02-20 Wellcome Found Novel heterocyclic compound and preparation and compositions thereof
US4235909A (en) * 1979-04-19 1980-11-25 Eli Lilly And Company Octahydro-2H-pyrrolo[3,4-g]quinolines

Also Published As

Publication number Publication date
EP0000383A1 (en) 1979-01-24
US4302587A (en) 1981-11-24
DE2862102D1 (en) 1982-11-18
US4303789A (en) 1981-12-01
US4225710A (en) 1980-09-30
JPS5419996A (en) 1979-02-15
US4323679A (en) 1982-04-06
US4303790A (en) 1981-12-01
JPS6339597B2 (enrdf_load_stackoverflow) 1988-08-05
US4329362A (en) 1982-05-11

Similar Documents

Publication Publication Date Title
US5138058A (en) Piperazine substituted pyrimidine derivatives and physiologically tolerated salts thereof
EP0163599B1 (en) Pyrimidopyrimidine derivatives, processes for producing them, pharmaceutical compositions containing them and their use as anti-allergic agents
DK168666B1 (da) 5,6,7,8-tetrahydropyrido[2,3-d]pyrimidinderivater, fremgangsmåde til deres fremstilling samt farmaceutiske præparater indeholdende disse
US4536575A (en) 2-Amino-4(3H)-oxopyrido[2,3-d]pyrimidino
KR900005836B1 (ko) 1,2,4-트리아조로[4,3-c]피리미딘
EP0000383B1 (en) Pyrimido (4,5-c) pyridazines, their use in pharmaceutical preparations, and process for their preparation
EP0103464B1 (en) Diaminopyrimidines and their production
US4431805A (en) Pyrido[2,3-d]-pyrimidines
GB2048859A (en) Pyrido(2,3-d)pyrimidines
US4526964A (en) 2,4-Diamino-6-(hydroxymethyl)pyrido[2,3-d]pyrimidine
US4528288A (en) Substituted triazolo[1,5-c]pyrimidines
FI80455C (fi) Foerfarande foer framstaellning av farmakologiskt vaerdefulla 8-alkyltio-2-piperazino-pyrimido/5,4-d/pyrimider.
AU2006281359B2 (en) Condensed pyrimidine derivatives as inhibitors of folic acid-dependent enzymes
EP0000541B1 (en) 1h-pyrimido-(4,5-c)-1,2-diazepines, methods for their preparation and compositions containing them; their use as intermediates for heterocyclic transformations.
US4628089A (en) Pyrido(2,3-D)pyrimidines
EP0075880B1 (en) Pyrido (2,3-d) pyrimidines
KR920000271B1 (ko) 1,2,4-트리아조로[1,5-c] 피리미딘 및 이의 제조방법
EP0061178B1 (en) Novel 1,2-dihydropyrido(3,4-b)-pyrazines and method for preparing same
US4255427A (en) Substituted pyrimido (4,5-c)pyridazines
US4260758A (en) Pyrazolo (3,4-d) pyrimidines and methods of making
US2807616A (en) Oxazolopyrimidines and method of preparing same
US4532242A (en) Substituted triazolo[4,3-c]pyrimidines
Roth et al. [196] Small molecule inhibitors of dihydrofolate reductase
US4612375A (en) Substituted 4-hydrazino-pyrimides as intermediates for triazolo [4,3-c]pyrimidines
EP0107130A1 (en) Pyrido(4,3-b)(1,4) oxazines and pyrido(4,3-b) (1,4)thiazines

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): CH DE FR GB

17P Request for examination filed
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): CH DE FR GB

REF Corresponds to:

Ref document number: 2862102

Country of ref document: DE

Date of ref document: 19821118

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19840627

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19840705

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19840803

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Effective date: 19860731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19870331

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19870401

GBPC Gb: european patent ceased through non-payment of renewal fee
REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19881117

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT