FR1268417A - Process for the preparation of dimethylaminopropylidenenexanthenes - Google Patents

Process for the preparation of dimethylaminopropylidenenexanthenes

Info

Publication number
FR1268417A
FR1268417A FR754633A FR754633A FR1268417A FR 1268417 A FR1268417 A FR 1268417A FR 754633 A FR754633 A FR 754633A FR 754633 A FR754633 A FR 754633A FR 1268417 A FR1268417 A FR 1268417A
Authority
FR
France
Prior art keywords
dimethylaminopropylidenenexanthenes
preparation
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
FR754633A
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
Priority to FR754633A priority Critical patent/FR1268417A/en
Application granted granted Critical
Publication of FR1268417A publication Critical patent/FR1268417A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/28—Pyronines ; Xanthon, thioxanthon, selenoxanthan, telluroxanthon dyes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82—Xanthenes
    • C07D311/90—Xanthenes with hydrocarbon radicals, substituted by amino radicals, directly attached in position 9

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR754633A 1957-12-26 1957-12-26 Process for the preparation of dimethylaminopropylidenenexanthenes Expired FR1268417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR754633A FR1268417A (en) 1957-12-26 1957-12-26 Process for the preparation of dimethylaminopropylidenenexanthenes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR754633A FR1268417A (en) 1957-12-26 1957-12-26 Process for the preparation of dimethylaminopropylidenenexanthenes

Publications (1)

Publication Number Publication Date
FR1268417A true FR1268417A (en) 1961-08-04

Family

ID=8705350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754633A Expired FR1268417A (en) 1957-12-26 1957-12-26 Process for the preparation of dimethylaminopropylidenenexanthenes

Country Status (1)

Country Link
FR (1) FR1268417A (en)

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