GB902059A - Process for the preparation of dibenzoxazolyl-ethylene compounds - Google Patents
Process for the preparation of dibenzoxazolyl-ethylene compoundsInfo
- Publication number
- GB902059A GB902059A GB1543/61A GB154361A GB902059A GB 902059 A GB902059 A GB 902059A GB 1543/61 A GB1543/61 A GB 1543/61A GB 154361 A GB154361 A GB 154361A GB 902059 A GB902059 A GB 902059A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dibenzoxazolyl
- ethylene compounds
- preparation
- jan
- compounds
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
- C07D263/62—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems having two or more ring systems containing condensed 1,3-oxazole rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
902,059. Dibenzoxazolyl - ethylene compounds. CIBA Ltd. Jan. 13. 1961 [Jan. 28. 1960], No. 1543/61. Addition to 835,894. Class 2(3). Di-benzoxazolyl-ethylene compounds of the general formula in which A is a benzene nucleus in which two adjacent carbon atoms are members of the oxazole ring and which may be substituted by chlorine or lower alkyl or low alkoxy groups, are prepared by contacting the corresponding compounds at elevated temperature with a phosphoric acid of formula H n + 2 P n O 3n + in which n>1. The process is preferably carried out at a temperature in the range 140-200‹C.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH91860A CH383973A (en) | 1960-01-28 | 1960-01-28 | Process for the preparation of di-benzoxazolyl-ethylenes |
CH1268164A CH490407A (en) | 1960-01-28 | 1960-01-28 | Process for the preparation of di-benzoxazolyl-ethylene compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
GB902059A true GB902059A (en) | 1962-07-25 |
Family
ID=25686107
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1543/61A Expired GB902059A (en) | 1960-01-28 | 1961-01-13 | Process for the preparation of dibenzoxazolyl-ethylene compounds |
GB1541/61A Expired GB902058A (en) | 1960-01-28 | 1961-01-13 | Process for the preparation of di-benzoxazolyl-ethylene compounds |
GB1542/61A Expired GB920753A (en) | 1960-01-28 | 1961-01-13 | Process for the preparation of di-benzoxazolyl-ethylene compounds |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1541/61A Expired GB902058A (en) | 1960-01-28 | 1961-01-13 | Process for the preparation of di-benzoxazolyl-ethylene compounds |
GB1542/61A Expired GB920753A (en) | 1960-01-28 | 1961-01-13 | Process for the preparation of di-benzoxazolyl-ethylene compounds |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB902059A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4167628A (en) | 1976-12-23 | 1979-09-11 | Ciba-Geigy Corporation | Novel benzoxazole compounds |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1062257A (en) * | 1963-09-18 | 1967-03-22 | Sumitomo Chemical Co | Method for producing dioxazolyl stilbene optical brightening agents |
DE3713858A1 (en) * | 1987-04-25 | 1988-11-17 | Bayer Ag | AROMATIC POLYAMINE, A METHOD FOR THE PRODUCTION THEREOF AND THEIR USE FOR THE PRODUCTION OF POLYURETHANE PLASTICS |
-
1961
- 1961-01-13 GB GB1543/61A patent/GB902059A/en not_active Expired
- 1961-01-13 GB GB1541/61A patent/GB902058A/en not_active Expired
- 1961-01-13 GB GB1542/61A patent/GB920753A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4167628A (en) | 1976-12-23 | 1979-09-11 | Ciba-Geigy Corporation | Novel benzoxazole compounds |
Also Published As
Publication number | Publication date |
---|---|
GB920753A (en) | 1963-03-13 |
GB902058A (en) | 1962-07-25 |
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