RS49782B - PROCEDURE FOR SYNTHESIS TRANS- β – (AROYL )- α, β -OXIRANE-PROPIONIC ACIDS - Google Patents
PROCEDURE FOR SYNTHESIS TRANS- β – (AROYL )- α, β -OXIRANE-PROPIONIC ACIDSInfo
- Publication number
- RS49782B RS49782B YUP-531/99A YU53199A RS49782B RS 49782 B RS49782 B RS 49782B YU 53199 A YU53199 A YU 53199A RS 49782 B RS49782 B RS 49782B
- Authority
- RS
- Serbia
- Prior art keywords
- aroyl
- oxirane
- trans
- procedure
- hydrogen
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
Abstract
Postupak za dobijanje trans-β-(aroil)-α,β-oksiran-propanskih kiselina opšte formule gde su značenja supstituenta: R1 predstavlja vodonik, hlor i metil; R2 predstavlja vodonik; R3 predstavlja metil, etil, izopropil, butil, tercbutil, f1uor, hlor i brom; R4, predstavlja vodonik; R5 predstavlja vodonik, naznačen time, što se odgovarajuće trans-β-(aroil)akrilne kiseline suspenduju u vodi i dodaje natrijum hidroksid takvom brzinom da temperatura ne pređe 200C i pH ne pređe 9, dok se sva kiselina ne rastvori, i zatim doda 1,5-3,5 molarni višak vodonik peroksida i pH održava na 8,5 ± 0,5 daljim dodavanjem natrijum hidroksida. Prijava sadrži još 2 zahteva.A process for the preparation of trans-β- (aroyl) -α, β-oxirane-propanoic acids of the general formula wherein the meanings of the substituent are: R 1 represents hydrogen, chlorine and methyl; R2 represents hydrogen; R3 represents methyl, ethyl, isopropyl, butyl, tert-butyl, fluoro, chloro and bromo; R4 represents hydrogen; R5 is hydrogen, wherein the corresponding trans-β- (aroyl) acrylic acids are suspended in water and sodium hydroxide is added at a rate not exceeding 200C and the pH not exceeding 9, until all the acid has dissolved, and then 1 , A 5-3.5 molar excess of hydrogen peroxide and pH was maintained at 8.5 ± 0.5 by further addition of sodium hydroxide. The application contains 2 more requests.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
YUP-531/99A RS49782B (en) | 1999-10-15 | 1999-10-15 | PROCEDURE FOR SYNTHESIS TRANS- β – (AROYL )- α, β -OXIRANE-PROPIONIC ACIDS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
YUP-531/99A RS49782B (en) | 1999-10-15 | 1999-10-15 | PROCEDURE FOR SYNTHESIS TRANS- β – (AROYL )- α, β -OXIRANE-PROPIONIC ACIDS |
Publications (2)
Publication Number | Publication Date |
---|---|
YU53199A YU53199A (en) | 2002-06-19 |
RS49782B true RS49782B (en) | 2008-06-05 |
Family
ID=47633866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YUP-531/99A RS49782B (en) | 1999-10-15 | 1999-10-15 | PROCEDURE FOR SYNTHESIS TRANS- β – (AROYL )- α, β -OXIRANE-PROPIONIC ACIDS |
Country Status (1)
Country | Link |
---|---|
RS (1) | RS49782B (en) |
-
1999
- 1999-10-15 RS YUP-531/99A patent/RS49782B/en unknown
Also Published As
Publication number | Publication date |
---|---|
YU53199A (en) | 2002-06-19 |
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