IT948064B - Derivati benzofuranici processo per la loro preparazione e impiego come ravvivanti ottici - Google Patents
Derivati benzofuranici processo per la loro preparazione e impiego come ravvivanti otticiInfo
- Publication number
- IT948064B IT948064B IT20192/72A IT2019272A IT948064B IT 948064 B IT948064 B IT 948064B IT 20192/72 A IT20192/72 A IT 20192/72A IT 2019272 A IT2019272 A IT 2019272A IT 948064 B IT948064 B IT 948064B
- Authority
- IT
- Italy
- Prior art keywords
- benzofuranic
- renewer
- optical
- preparation
- derivatives process
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
- C07D307/80—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
- C07D307/81—Radicals substituted by nitrogen atoms not forming part of a nitro radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/92—Naphthofurans; Hydrogenated naphthofurans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detergent Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Furan Compounds (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712105305 DE2105305C3 (de) | 1971-02-05 | Benzofuran-Derivate, Verfahren zu deren Herstellung und ihre Verwendung als optischer Aufheller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT948064B true IT948064B (it) | 1973-05-30 |
Family
ID=5797823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20192/72A IT948064B (it) | 1971-02-05 | 1972-02-03 | Derivati benzofuranici processo per la loro preparazione e impiego come ravvivanti ottici |
Country Status (17)
-
1972
- 1972-01-27 DD DD160534A patent/DD101444A5/xx unknown
- 1972-01-31 NL NL7201238A patent/NL7201238A/xx not_active Application Discontinuation
- 1972-02-01 ES ES399375A patent/ES399375A1/es not_active Expired
- 1972-02-03 CH CH741474A patent/CH569826A5/xx not_active IP Right Cessation
- 1972-02-03 CH CH158672D patent/CH158672A4/xx unknown
- 1972-02-03 AT AT86972*#A patent/AT327854B/de not_active IP Right Cessation
- 1972-02-03 YU YU260/72A patent/YU35133B/xx unknown
- 1972-02-03 AR AR240364A patent/AR193060A1/es active
- 1972-02-03 IT IT20192/72A patent/IT948064B/it active
- 1972-02-03 CH CH158672A patent/CH568433B5/xx not_active IP Right Cessation
- 1972-02-04 AU AU38666/72A patent/AU464864B2/en not_active Expired
- 1972-02-04 CA CA133,944A patent/CA981255A/en not_active Expired
- 1972-02-04 JP JP47012317A patent/JPS5012456B1/ja active Pending
- 1972-02-04 SU SU1745401A patent/SU473370A3/ru active
- 1972-02-04 BR BR000668/72A patent/BR7200668D0/pt unknown
- 1972-02-04 SE SE7201294A patent/SE382214B/xx unknown
- 1972-02-07 BE BE779039A patent/BE779039A/xx unknown
- 1972-02-07 GB GB567072A patent/GB1386614A/en not_active Expired
- 1972-02-07 FR FR7203970A patent/FR2124529B1/fr not_active Expired
Also Published As
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