FR669794A - Process for the preparation of strongly halogenated derivatives of pyranthrone - Google Patents

Process for the preparation of strongly halogenated derivatives of pyranthrone

Info

Publication number
FR669794A
FR669794A FR669794DA FR669794A FR 669794 A FR669794 A FR 669794A FR 669794D A FR669794D A FR 669794DA FR 669794 A FR669794 A FR 669794A
Authority
FR
France
Prior art keywords
pyranthrone
preparation
halogenated derivatives
strongly
strongly halogenated
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR669794A publication Critical patent/FR669794A/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
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/40—Pyranthrones
    • C09B3/44—Preparation from starting materials already containing the pyranthrone nucleus
    • C09B3/46—Preparation from starting materials already containing the pyranthrone nucleus by halogenation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR669794D 1928-03-10 1929-02-18 Process for the preparation of strongly halogenated derivatives of pyranthrone Expired FR669794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE669794X 1928-03-10

Publications (1)

Publication Number Publication Date
FR669794A true FR669794A (en) 1929-11-20

Family

ID=6590268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669794D Expired FR669794A (en) 1928-03-10 1929-02-18 Process for the preparation of strongly halogenated derivatives of pyranthrone

Country Status (1)

Country Link
FR (1) FR669794A (en)

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