BR7400946D0 - PROCESS FOR THE PREPARATION OF NEW BENZOFURAN DERIVATIVES AND THEIR USE AS OPTICAL WHITENERS - Google Patents
PROCESS FOR THE PREPARATION OF NEW BENZOFURAN DERIVATIVES AND THEIR USE AS OPTICAL WHITENERSInfo
- Publication number
- BR7400946D0 BR7400946D0 BR946/74A BR94674A BR7400946D0 BR 7400946 D0 BR7400946 D0 BR 7400946D0 BR 946/74 A BR946/74 A BR 946/74A BR 94674 A BR94674 A BR 94674A BR 7400946 D0 BR7400946 D0 BR 7400946D0
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- benzofuran derivatives
- optical whiteners
- new benzofuran
- new
- Prior art date
Links
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
- C07D307/82—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
-
- 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
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)
- Compositions Of Macromolecular Compounds (AREA)
- Furan Compounds (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH188173A CH593379B5 (en) | 1973-02-09 | 1973-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7400946D0 true BR7400946D0 (en) | 1974-11-05 |
Family
ID=4220761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR946/74A BR7400946D0 (en) | 1973-02-09 | 1974-02-08 | PROCESS FOR THE PREPARATION OF NEW BENZOFURAN DERIVATIVES AND THEIR USE AS OPTICAL WHITENERS |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS49112928A (en) |
| AT (1) | AT332869B (en) |
| BE (1) | BE810844A (en) |
| BR (1) | BR7400946D0 (en) |
| CA (1) | CA1026342A (en) |
| CH (2) | CH593379B5 (en) |
| DE (1) | DE2405063A1 (en) |
| ES (1) | ES422902A1 (en) |
| FR (1) | FR2217338B1 (en) |
| GB (1) | GB1456267A (en) |
| IN (1) | IN140448B (en) |
| IT (1) | IT1007261B (en) |
| NL (1) | NL7401502A (en) |
| SE (1) | SE386899B (en) |
| SU (1) | SU577993A3 (en) |
-
1973
- 1973-02-09 CH CH188173A patent/CH593379B5/xx not_active IP Right Cessation
- 1973-02-09 CH CH188173D patent/CH188173A4/xx unknown
-
1974
- 1974-02-02 DE DE19742405063 patent/DE2405063A1/en not_active Withdrawn
- 1974-02-04 NL NL7401502A patent/NL7401502A/xx not_active Application Discontinuation
- 1974-02-04 ES ES422902A patent/ES422902A1/en not_active Expired
- 1974-02-06 IT IT20238/74A patent/IT1007261B/en active
- 1974-02-06 SE SE7401569A patent/SE386899B/en unknown
- 1974-02-07 AT AT96074*#A patent/AT332869B/en not_active IP Right Cessation
- 1974-02-08 BR BR946/74A patent/BR7400946D0/en unknown
- 1974-02-08 JP JP49015581A patent/JPS49112928A/ja active Pending
- 1974-02-11 FR FR7404454A patent/FR2217338B1/fr not_active Expired
- 1974-02-11 BE BE140751A patent/BE810844A/en unknown
- 1974-02-11 GB GB613674A patent/GB1456267A/en 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/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1007261B (en) | 1976-10-30 |
| ATA96074A (en) | 1976-02-15 |
| CH593379B5 (en) | 1977-11-30 |
| DE2405063A1 (en) | 1974-08-15 |
| JPS49112928A (en) | 1974-10-28 |
| CA1026342A (en) | 1978-02-14 |
| AU6530974A (en) | 1975-08-07 |
| BE810844A (en) | 1974-08-12 |
| SU577993A3 (en) | 1977-10-25 |
| IN140448B (en) | 1976-11-13 |
| FR2217338B1 (en) | 1977-06-10 |
| FR2217338A1 (en) | 1974-09-06 |
| AT332869B (en) | 1976-10-25 |
| GB1456267A (en) | 1976-11-24 |
| CH188173A4 (en) | 1977-03-31 |
| ES422902A1 (en) | 1976-09-16 |
| NL7401502A (en) | 1974-08-13 |
| SE386899B (en) | 1976-08-23 |
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