DK142199C - - Google Patents

Info

Publication number
DK142199C
DK142199C DK494664A DK494664A DK142199C DK 142199 C DK142199 C DK 142199C DK 494664 A DK494664 A DK 494664A DK 494664 A DK494664 A DK 494664A DK 142199 C DK142199 C DK 142199C
Authority
DK
Denmark
Application number
DK494664A
Other languages
Danish (da)
Other versions
DK142199B (da
Inventor
Jr. E J Cragoe
J B Bicking
Original Assignee
Merck & Co Inc.
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 US313315A external-priority patent/US3313813A/en
Priority claimed from US356038A external-priority patent/US3290311A/en
Priority claimed from US356039A external-priority patent/US3316266A/en
Application filed by Merck & Co Inc. filed Critical Merck & Co Inc.
Publication of DK142199B publication Critical patent/DK142199B/da
Application granted granted Critical
Publication of DK142199C publication Critical patent/DK142199C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D475/00—Heterocyclic compounds containing pteridine ring systems
    • C07D475/02—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three 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
    • C07D241/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D241/26—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with nitrogen atoms directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
DK494664AA 1962-10-30 1964-10-07 Fremgangsmåde til fremstilling af pyrazinoylguanidiner. DK142199B (da)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US23423062A 1962-10-30 1962-10-30
US23423062 1962-10-30
US313315A US3313813A (en) 1962-10-30 1963-10-07 (3-amino-5, 6-disubstituted-pyrazinoyl) guanidines
US31331563 1963-10-07
US35604264A 1964-03-31 1964-03-31
US35603964 1964-03-31
US35604264 1964-03-31
US35603864 1964-03-31
US356038A US3290311A (en) 1964-03-31 1964-03-31 Derivatives of 3, 5-diamino-6-chloropyrazinoic acid esters and a process for making them
US356039A US3316266A (en) 1964-03-31 1964-03-31 3-aminopyrazinoic acid derivatives and process for their preparation
US35725664A 1964-04-03 1964-04-03
US35725664 1964-04-03
US50921765 1965-11-22
US509217A US3410850A (en) 1962-10-30 1965-11-22 4h-pyrazino-[2, 3d][1, 3]oxazin-4-ones and their preparation

Publications (2)

Publication Number Publication Date
DK142199B DK142199B (da) 1980-09-22
DK142199C true DK142199C (zh) 1981-02-16

Family

ID=26999580

Family Applications (1)

Application Number Title Priority Date Filing Date
DK494664AA DK142199B (da) 1962-10-30 1964-10-07 Fremgangsmåde til fremstilling af pyrazinoylguanidiner.

Country Status (6)

Country Link
US (1) US3410850A (zh)
BE (2) BE651729A (zh)
CH (2) CH481939A (zh)
DK (1) DK142199B (zh)
FR (1) FR95657E (zh)
NL (1) NL6409717A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549627A (en) * 1968-04-05 1970-12-22 American Home Prod 2,6-disubstituted-4h-pyrimido(5,4-d)(1,3)oxazin-4-0nes
US3549633A (en) * 1968-11-20 1970-12-22 Merck & Co Inc Process for preparation of 1-h-imidazo (4,5-b)pyrazin-2-ones
US4140776A (en) * 1977-09-16 1979-02-20 Merck & Co., Inc. N-pyrazinecarbonyl-N'-acylguanidines

Also Published As

Publication number Publication date
BE651730A (zh) 1965-02-12
BE651729A (zh) 1965-02-12
NL6409717A (zh) 1965-10-04
US3410850A (en) 1968-11-12
DK142199B (da) 1980-09-22
CH469721A (de) 1969-03-15
CH481939A (de) 1969-11-30
FR95657E (fr) 1971-04-16

Similar Documents

Publication Publication Date Title
BE616548R (zh)
BE615962A (zh)
BE616490A (zh)
BE380301A (zh)
BE489310A (zh)
BE538252A (zh)
BE538831A (zh)
BE541929A (zh)
BE553896A (zh)
BE559145A (zh)
BE586180A (zh)
BE592434A (zh)
BE599783A (zh)
BE613335A (zh)
NL6409717A (zh)
BE604335A (zh)
BE608197A (zh)
NL6409716A (zh)
BE609543A (zh)
BE634314A (zh)
BE633654A (zh)
BE633330A (zh)
BE612190A (zh)
BE632067A (zh)
BE631998A (zh)

Legal Events

Date Code Title Description
PUP Patent expired