CH1626371A4 - - Google Patents
Info
- Publication number
- CH1626371A4 CH1626371A4 CH1626371D CH1626371D CH1626371A4 CH 1626371 A4 CH1626371 A4 CH 1626371A4 CH 1626371 D CH1626371 D CH 1626371D CH 1626371 D CH1626371 D CH 1626371D CH 1626371 A4 CH1626371 A4 CH 1626371A4
- Authority
- CH
- Switzerland
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
- C07D307/82—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1626371A CH560277B5 (es) | 1971-11-09 | 1971-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH1626371A4 true CH1626371A4 (es) | 1974-10-15 |
Family
ID=4415812
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1626371D CH1626371A4 (es) | 1971-11-09 | 1971-11-09 | |
CH1626371A CH560277B5 (es) | 1970-12-09 | 1971-11-09 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1626371A CH560277B5 (es) | 1970-12-09 | 1971-11-09 |
Country Status (1)
Country | Link |
---|---|
CH (2) | CH1626371A4 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH632628B (de) | 1976-07-26 | Ciba Geigy Ag | Verfahren zur herstellung von benzofuranyl-benzimidazolen und deren verwendung als optische aufheller. | |
EP1455352A1 (en) * | 2003-03-05 | 2004-09-08 | Clariant International Ltd. | New dyes for optical data recording |
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1971
- 1971-11-09 CH CH1626371D patent/CH1626371A4/xx unknown
- 1971-11-09 CH CH1626371A patent/CH560277B5/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH560277B5 (es) | 1975-03-27 |