BR7400880A - Processo para a fabricacao de compostos de benzo-difurana - Google Patents
Processo para a fabricacao de compostos de benzo-difuranaInfo
- Publication number
- BR7400880A BR7400880A BR880/74A BR88074A BR7400880A BR 7400880 A BR7400880 A BR 7400880A BR 880/74 A BR880/74 A BR 880/74A BR 88074 A BR88074 A BR 88074A BR 7400880 A BR7400880 A BR 7400880A
- Authority
- BR
- Brazil
- Prior art keywords
- difurana
- benzo
- compounds
- manufacture
- difurana compounds
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2306515A DE2306515A1 (de) | 1973-02-09 | 1973-02-09 | Benzo-difuran-verbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7400880A true BR7400880A (pt) | 1975-11-04 |
Family
ID=5871465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR880/74A BR7400880A (pt) | 1973-02-09 | 1974-02-07 | Processo para a fabricacao de compostos de benzo-difurana |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3993670A (pt) |
| JP (1) | JPS49112927A (pt) |
| BE (1) | BE810722A (pt) |
| BR (1) | BR7400880A (pt) |
| CH (2) | CH605964A5 (pt) |
| CS (1) | CS166180B2 (pt) |
| DD (1) | DD110491A5 (pt) |
| DE (1) | DE2306515A1 (pt) |
| FR (1) | FR2217329B1 (pt) |
| GB (1) | GB1407786A (pt) |
| IT (1) | IT1006294B (pt) |
| NL (1) | NL7401648A (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU78135A1 (de) * | 1977-09-16 | 1979-05-23 | Ciba Geigy Ag | Verfahren zur herstellung von benzodifuranen |
| GB8824108D0 (en) * | 1988-10-14 | 1988-11-23 | Unilever Plc | Bleaching & detergent compositions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787576A (fr) * | 1971-08-13 | 1973-02-14 | Hoechst Ag | Derives de benzofuranne et leur utilisation comme azureurs optiques |
| BE787580A (fr) * | 1971-08-13 | 1973-02-14 | Hoechst Ag | Procede de preparation de derives du furanne |
-
1973
- 1973-02-09 DE DE2306515A patent/DE2306515A1/de active Pending
-
1974
- 1974-01-23 CS CS437A patent/CS166180B2/cs unknown
- 1974-02-06 IT IT20248/74A patent/IT1006294B/it active
- 1974-02-06 NL NL7401648A patent/NL7401648A/xx unknown
- 1974-02-07 JP JP49015023A patent/JPS49112927A/ja active Pending
- 1974-02-07 DD DD176449A patent/DD110491A5/xx unknown
- 1974-02-07 BE BE140646A patent/BE810722A/xx unknown
- 1974-02-07 BR BR880/74A patent/BR7400880A/pt unknown
- 1974-02-08 CH CH431176A patent/CH605964A5/xx not_active IP Right Cessation
- 1974-02-08 FR FR7404414A patent/FR2217329B1/fr not_active Expired
- 1974-02-08 CH CH181674D patent/CH181674A4/de unknown
- 1974-02-08 GB GB588274A patent/GB1407786A/en not_active Expired
- 1974-02-08 US US05/440,858 patent/US3993670A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49112927A (pt) | 1974-10-28 |
| CS166180B2 (pt) | 1976-01-29 |
| USB440858I5 (pt) | 1976-02-03 |
| FR2217329A1 (pt) | 1974-09-06 |
| FR2217329B1 (pt) | 1977-09-23 |
| IT1006294B (it) | 1976-09-30 |
| CH605964A5 (pt) | 1978-10-13 |
| DE2306515A1 (de) | 1974-08-15 |
| US3993670A (en) | 1976-11-23 |
| NL7401648A (pt) | 1974-08-13 |
| DD110491A5 (pt) | 1974-12-20 |
| GB1407786A (en) | 1975-09-24 |
| BE810722A (fr) | 1974-08-07 |
| CH181674A4 (de) | 1976-07-15 |
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