CA1026342A - Benzofuran derivatives, process for preparing them and their use as optical brighteners - Google Patents
Benzofuran derivatives, process for preparing them and their use as optical brightenersInfo
- Publication number
- CA1026342A CA1026342A CA192,191A CA192191A CA1026342A CA 1026342 A CA1026342 A CA 1026342A CA 192191 A CA192191 A CA 192191A CA 1026342 A CA1026342 A CA 1026342A
- Authority
- CA
- Canada
- Prior art keywords
- preparing
- optical brighteners
- benzofuran derivatives
- benzofuran
- derivatives
- 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
- 150000001907 coumarones Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 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
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
-
- 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
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans 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 carbon atoms of the hetero ring
- C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D307/85—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Furan Compounds (AREA)
- Detergent Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH188173A CH593379B5 (xx) | 1973-02-09 | 1973-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1026342A true CA1026342A (en) | 1978-02-14 |
Family
ID=4220761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA192,191A Expired CA1026342A (en) | 1973-02-09 | 1974-02-11 | Benzofuran derivatives, process for preparing them and their use as optical brighteners |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS49112928A (xx) |
| AT (1) | AT332869B (xx) |
| BE (1) | BE810844A (xx) |
| BR (1) | BR7400946D0 (xx) |
| CA (1) | CA1026342A (xx) |
| CH (2) | CH188173A4 (xx) |
| DE (1) | DE2405063A1 (xx) |
| ES (1) | ES422902A1 (xx) |
| FR (1) | FR2217338B1 (xx) |
| GB (1) | GB1456267A (xx) |
| IN (1) | IN140448B (xx) |
| IT (1) | IT1007261B (xx) |
| NL (1) | NL7401502A (xx) |
| SE (1) | SE386899B (xx) |
| SU (1) | SU577993A3 (xx) |
-
1973
- 1973-02-09 CH CH188173D patent/CH188173A4/xx unknown
- 1973-02-09 CH CH188173A patent/CH593379B5/xx not_active IP Right Cessation
-
1974
- 1974-02-02 DE DE19742405063 patent/DE2405063A1/de not_active Withdrawn
- 1974-02-04 NL NL7401502A patent/NL7401502A/xx not_active Application Discontinuation
- 1974-02-04 ES ES422902A patent/ES422902A1/es not_active Expired
- 1974-02-06 IT IT20238/74A patent/IT1007261B/it active
- 1974-02-06 SE SE7401569A patent/SE386899B/xx unknown
- 1974-02-07 AT AT96074*#A patent/AT332869B/de not_active IP Right Cessation
- 1974-02-08 JP JP49015581A patent/JPS49112928A/ja active Pending
- 1974-02-08 BR BR946/74A patent/BR7400946D0/pt unknown
- 1974-02-11 BE BE140751A patent/BE810844A/xx unknown
- 1974-02-11 GB GB613674A patent/GB1456267A/en not_active Expired
- 1974-02-11 FR FR7404454A patent/FR2217338B1/fr not_active Expired
- 1974-02-11 CA CA192,191A patent/CA1026342A/en not_active Expired
- 1974-02-12 IN IN290/CAL/1974A patent/IN140448B/en unknown
-
1975
- 1975-10-10 SU SU7502179003A patent/SU577993A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| ES422902A1 (es) | 1976-09-16 |
| AU6530974A (en) | 1975-08-07 |
| GB1456267A (en) | 1976-11-24 |
| ATA96074A (de) | 1976-02-15 |
| IN140448B (xx) | 1976-11-13 |
| SU577993A3 (ru) | 1977-10-25 |
| IT1007261B (it) | 1976-10-30 |
| BR7400946D0 (pt) | 1974-11-05 |
| BE810844A (fr) | 1974-08-12 |
| DE2405063A1 (de) | 1974-08-15 |
| SE386899B (sv) | 1976-08-23 |
| FR2217338B1 (xx) | 1977-06-10 |
| NL7401502A (xx) | 1974-08-13 |
| CH593379B5 (xx) | 1977-11-30 |
| AT332869B (de) | 1976-10-25 |
| CH188173A4 (xx) | 1977-03-31 |
| FR2217338A1 (xx) | 1974-09-06 |
| JPS49112928A (xx) | 1974-10-28 |
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