IT649704A - - Google Patents
Info
- Publication number
- IT649704A IT649704A IT649704DA IT649704A IT 649704 A IT649704 A IT 649704A IT 649704D A IT649704D A IT 649704DA IT 649704 A IT649704 A IT 649704A
- Authority
- IT
- Italy
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or 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
- C07D231/18—One oxygen or sulfur atom
- C07D231/20—One oxygen atom attached in position 3 or 5
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or 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
- C07D231/18—One oxygen or sulfur atom
- C07D231/20—One oxygen atom attached in position 3 or 5
- C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
- C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
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- 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
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
- C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB56148A DE1174787B (en) | 1960-01-07 | 1960-01-07 | Process for the preparation of 4,4'-methenyl-bis- [pyrazolonen- (5)] |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT649704A true IT649704A (en) |
Family
ID=6971231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT649704D IT649704A (en) | 1960-01-07 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE598870A (en) |
| CH (1) | CH388969A (en) |
| DE (1) | DE1174787B (en) |
| GB (1) | GB912796A (en) |
| IT (1) | IT649704A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531479A (en) * | 1968-09-03 | 1970-09-29 | Eastman Kodak Co | Light stable colorants and ultraviolet inhibitors for plastics |
| JP2739352B2 (en) * | 1989-09-22 | 1998-04-15 | 住化ファインケム株式会社 | Methine compounds and their uses |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE900577C (en) * | 1951-10-07 | 1953-12-28 | Boehringer & Soehne Gmbh | Process for the preparation of 1-phenyl-2,3-dialkyl-4-formyl-5-pyrazolones |
| US2840443A (en) * | 1954-08-05 | 1958-06-24 | Gen Aniline & Film Corp | Use of methylidyne bis pyrazolones for dyeing |
-
0
- IT IT649704D patent/IT649704A/it unknown
-
1960
- 1960-01-07 DE DEB56148A patent/DE1174787B/en active Pending
- 1960-12-09 CH CH1377960A patent/CH388969A/en unknown
-
1961
- 1961-01-05 GB GB47761A patent/GB912796A/en not_active Expired
- 1961-01-06 BE BE598870A patent/BE598870A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE598870A (en) | 1961-07-06 |
| DE1174787B (en) | 1964-07-30 |
| GB912796A (en) | 1962-12-12 |
| CH388969A (en) | 1965-03-15 |