IT1016457B - Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici - Google Patents
Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti otticiInfo
- Publication number
- IT1016457B IT1016457B IT5216274A IT5216274A IT1016457B IT 1016457 B IT1016457 B IT 1016457B IT 5216274 A IT5216274 A IT 5216274A IT 5216274 A IT5216274 A IT 5216274A IT 1016457 B IT1016457 B IT 1016457B
- Authority
- IT
- Italy
- Prior art keywords
- obtaining
- pyrazoline compounds
- compounds procedure
- lighteners
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
- 150000003219 pyrazolines Chemical class 0.000 title 1
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
- C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/38—Acyl halides
- C07C53/46—Acyl halides containing halogen outside the carbonyl halide group
- C07C53/50—Acyl halides containing halogen outside the carbonyl halide group of acids containing three or more carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plural Heterocyclic Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3411173A GB1467802A (en) | 1973-07-18 | 1973-07-18 | Pyrazoline derivatives and their use as optical brightening agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1016457B true IT1016457B (it) | 1977-05-30 |
Family
ID=10361505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT5216274A IT1016457B (it) | 1973-07-18 | 1974-07-18 | Composti pirazolinici procedimento per ottenerli e loro impiego quali schiarenti ottici |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5043128A (it) |
| DE (1) | DE2434162A1 (it) |
| FR (1) | FR2237886B1 (it) |
| GB (1) | GB1467802A (it) |
| IT (1) | IT1016457B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045169A (en) * | 1971-09-09 | 1977-08-30 | Hoechst Aktiengesellschaft | 3-[3',4'-Dichloro-6'-alkyl-phenyl]-Δ 2-pyrazoline derivatives and their use as optical brighteners |
| DE3134942A1 (de) * | 1981-09-03 | 1983-03-17 | Bayer Ag, 5090 Leverkusen | Aufhellersalze und deren verwendung fuer das nassspinnen von acrylfasern |
-
1973
- 1973-07-18 GB GB3411173A patent/GB1467802A/en not_active Expired
-
1974
- 1974-07-16 DE DE19742434162 patent/DE2434162A1/de active Pending
- 1974-07-16 JP JP8083574A patent/JPS5043128A/ja active Pending
- 1974-07-18 FR FR7424960A patent/FR2237886B1/fr not_active Expired
- 1974-07-18 IT IT5216274A patent/IT1016457B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2434162A1 (de) | 1975-02-06 |
| JPS5043128A (it) | 1975-04-18 |
| FR2237886A1 (it) | 1975-02-14 |
| GB1467802A (en) | 1977-03-23 |
| FR2237886B1 (it) | 1978-04-28 |
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