RO96343B1 - Procedeu de preparare a unor 2-metilbenzoxazoli - Google Patents
Procedeu de preparare a unor 2-metilbenzoxazoliInfo
- Publication number
- RO96343B1 RO96343B1 RO125305A RO12530586A RO96343B1 RO 96343 B1 RO96343 B1 RO 96343B1 RO 125305 A RO125305 A RO 125305A RO 12530586 A RO12530586 A RO 12530586A RO 96343 B1 RO96343 B1 RO 96343B1
- Authority
- RO
- Romania
- Prior art keywords
- methylbenzoxazoles
- halogen
- hydrogen
- lower alkyl
- preparing
- Prior art date
Links
- DQSHFKPKFISSNM-UHFFFAOYSA-N 2-methylbenzoxazole Chemical class C1=CC=C2OC(C)=NC2=C1 DQSHFKPKFISSNM-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical group CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 6
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 229910052736 halogen Inorganic materials 0.000 abstract 2
- 150000002367 halogens Chemical class 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical compound O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
Landscapes
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
Inventia se refera la un procedeu de preparare a unor 2-metilbenzoxazoli cu formula generala I: (vezi descriere), în care R1 este halogen, o grupa alchil inferior sau fenil, R2 este hidrogen sau alchil inferior si R3 este hidrogen sau halogen, prin tratarea unui o-aminofenol adecvat, substituit cu anihidrida acetica, sub agitare, la temperatura de 30...80 degree C, urmata de distilarea pâna la 114 degree C a amestecului acid acetic-apa si a anihidridei acetice nereactionate si apoi, prin ridicarea temperaturii produsului.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO125305A RO96343B1 (ro) | 1986-11-10 | 1986-11-10 | Procedeu de preparare a unor 2-metilbenzoxazoli |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO125305A RO96343B1 (ro) | 1986-11-10 | 1986-11-10 | Procedeu de preparare a unor 2-metilbenzoxazoli |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO96343A2 RO96343A2 (ro) | 1988-09-15 |
| RO96343B1 true RO96343B1 (ro) | 1988-09-16 |
Family
ID=20120009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO125305A RO96343B1 (ro) | 1986-11-10 | 1986-11-10 | Procedeu de preparare a unor 2-metilbenzoxazoli |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO96343B1 (ro) |
-
1986
- 1986-11-10 RO RO125305A patent/RO96343B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO96343A2 (ro) | 1988-09-15 |
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