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Esters and amides from aziridine 2-carboxylic acid salts
β Scribed by C. Lambert; H.G. Viehe
- Book ID
- 104222192
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- French
- Weight
- 188 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
Potassiiim salts of azlridlne-A 7-carboxylic acid derivatives are efficiently converted into esters of amides by reactions with alkyl halides, alkyl ditwliJLs or by acyiatiorl with trimethylacetyl chloride followed by aminolyss.
Azlrjdlnc be,r,gs to a class of alkylatlng compounds of Importance in industry as well li as in biology
The actlvlty of its derlvatlves 1s modulated by the l-lng substituents. In
π SIMILAR VOLUMES
## Abstract Aziridineβ2βcarboxylic esters 1 were converted into bicyclic boroxazolidones 3 in a threeβstep sequence. First, the ester groups were hydrolyzed either by sodium hydroxide or with lithium hydroxide in methanol. The salts thus obtained were acidified with acetic acid or through a weakly
The halohydrins prepared from epoxide esters, were treated with hydroxylamine derivatives. In subsequent reaction with NaOH/K 2 CO 3 /Bu 4 NHSO 4 the N-protected b-halo a-aminoesters thus obtained were converted into N-hydroxy ariridine 2-carboxylic esters in good yields.