FR1044623A - Improvements in the preparation of dihalogenated substituted pteridines - Google Patents

Improvements in the preparation of dihalogenated substituted pteridines

Info

Publication number
FR1044623A
FR1044623A FR1044623DA FR1044623A FR 1044623 A FR1044623 A FR 1044623A FR 1044623D A FR1044623D A FR 1044623DA FR 1044623 A FR1044623 A FR 1044623A
Authority
FR
France
Prior art keywords
dihalogenated
preparation
substituted pteridines
pteridines
substituted
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
Other languages
French (fr)
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of FR1044623A publication Critical patent/FR1044623A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D475/00—Heterocyclic compounds containing pteridine ring systems
    • C07D475/06—Heterocyclic compounds containing pteridine ring systems with a nitrogen atom directly attached in position 4
    • C07D475/08—Heterocyclic compounds containing pteridine ring systems with a nitrogen atom directly attached in position 4 with a nitrogen atom directly attached in position 2
    • 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
    • C07D475/04—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4 with a nitrogen atom directly attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1044623D 1950-03-23 1951-03-16 Improvements in the preparation of dihalogenated substituted pteridines Expired FR1044623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1044623XA 1950-03-23 1950-03-23

Publications (1)

Publication Number Publication Date
FR1044623A true FR1044623A (en) 1953-11-19

Family

ID=22300606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1044623D Expired FR1044623A (en) 1950-03-23 1951-03-16 Improvements in the preparation of dihalogenated substituted pteridines

Country Status (1)

Country Link
FR (1) FR1044623A (en)

Similar Documents

Publication Publication Date Title
FR1033275A (en) Improvements in the preparation of phosphate esters
FR1064693A (en) Improvements in the preparation of thermosetting resins
FR1034958A (en) Improvements in the preparation of heterocyclic sulfonamides
FR993776A (en) Improvement in the preparation of triethylene melamine
FR1044623A (en) Improvements in the preparation of dihalogenated substituted pteridines
FR1045237A (en) Improvements in the preparation of substituted pyrimidones
FR1092949A (en) Improvements in the preparation of halogenated substituted pteridines
FR1037072A (en) Improvements in the preparation of naphthostyriles
FR1063044A (en) Improvements in the preparation of substituted quinazolones
FR1044654A (en) Improvements in the preparation of alpha, beta-anthrimides
FR1068631A (en) Improvements in the preparation of new di-substituted piperazines
FR1044694A (en) Improvements in the preparation of aldehydes
FR1033516A (en) Improvements in the preparation of aromatic nitriles
FR1036463A (en) Improvements in the preparation of glycols
FR1010940A (en) Improvement in the preparation of ceramic compositions
FR1009019A (en) Improvements in the preparation of 1, 1-dicyano ethylene
FR1012773A (en) Improvements in the preparation of amines
FR63281E (en) Improvements in the preparation of aldehydes
FR1032602A (en) Improvements in the preparation of substituted pteridines
FR1044639A (en) Improvements in the preparation of 1, 1, 3-trialkoxyalkanes
FR1072453A (en) Improvements in the preparation of delta-pregnenes
FR58234E (en) Improvements in the preparation of melamine
FR58610E (en) Improvements in the preparation of melamine
FR63101E (en) Improvements in the preparation of melamine
FR63102E (en) Improvements in the preparation of melamine