CA966832A - Production of pyranthrones - Google Patents
Production of pyranthronesInfo
- Publication number
- CA966832A CA966832A CA137,839A CA137839A CA966832A CA 966832 A CA966832 A CA 966832A CA 137839 A CA137839 A CA 137839A CA 966832 A CA966832 A CA 966832A
- Authority
- CA
- Canada
- Prior art keywords
- pyranthrones
- production
- 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
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
- C09B3/42—Preparation by synthesis of the nucleus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712115131 DE2115131C3 (en) | 1971-03-29 | 1971-03-29 | Process for making pyranthrones |
Publications (1)
Publication Number | Publication Date |
---|---|
CA966832A true CA966832A (en) | 1975-04-29 |
Family
ID=5803108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA137,839A Expired CA966832A (en) | 1971-03-29 | 1972-03-22 | Production of pyranthrones |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA966832A (en) |
DE (1) | DE2115131C3 (en) |
NL (1) | NL7204183A (en) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE212019C (en) * | ||||
DE287270C (en) * | ||||
US2769002A (en) * | 1956-10-30 | Preparation of phenthiazine compounds | ||
DE175067C (en) * | ||||
US856811A (en) * | 1906-02-06 | 1907-06-11 | Basf Ag | Dye of the anthraquinone series and process of making same. |
US1931021A (en) * | 1930-05-21 | 1933-10-17 | Du Pont | Process for preparing pyranthrone |
US2787622A (en) * | 1954-08-17 | 1957-04-02 | Allied Chem & Dye Corp | Process for producing pyranthrone |
US2855408A (en) * | 1957-01-17 | 1958-10-07 | Du Pont | Preparation of pyranthrone |
US3213155A (en) * | 1961-05-19 | 1965-10-19 | Exxon Research Engineering Co | Monoolefin isomerization process |
DE1215284B (en) * | 1962-12-04 | 1966-04-28 | Cassella Farbwerke Mainkur Ag | Process for the preparation of dyes of the anthraquinonazine series |
DE1264648B (en) * | 1963-11-30 | 1968-03-28 | Cassella Farbwerke Mainkur Ag | Process for the preparation of dyes of the anthraquinone azine series |
US3446810A (en) * | 1967-12-26 | 1969-05-27 | Allied Chem | Caustic fusion of polycyclic aromatic compounds |
DE1951708C3 (en) * | 1969-10-14 | 1975-02-20 | Basf Ag, 6700 Ludwigshafen | Method of making pyranthrones n |
-
1971
- 1971-03-29 DE DE19712115131 patent/DE2115131C3/en not_active Expired
-
1972
- 1972-03-22 CA CA137,839A patent/CA966832A/en not_active Expired
- 1972-03-28 NL NL7204183A patent/NL7204183A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL7204183A (en) | 1972-10-03 |
DE2115131B2 (en) | 1976-01-08 |
DE2115131C3 (en) | 1981-09-24 |
DE2115131A1 (en) | 1972-10-05 |
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