Polec, I.; Cieslak, L.; Huras, B.; Nowacka-Krukowska, H.; Sledzinski, B. published an article about the compound: (S)-2-Bromosuccinic acid( cas:20859-23-8,SMILESS:O=C(O)[C@@H](Br)CC(O)=O ).Related Products of 20859-23-8. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:20859-23-8) through the article.
The synthesis of malathion enantiomers and their physicochem. properties were described. Optically active di-Et bromosuccinate isomers, obtained from L- and D-aspartic acid by diazotization in the presence of NaBr followed by esterification with EtOH, were treated in 1,4-dioxane by O,O-di-Me dithiophosphoryl anion, resulting in malathion enantiomers in 50-60% yield. Toxicol. characteristics of these malathion enantiomers were determined by evaluation of the LD50 for some arthropod species and LD50 i. p. for rats.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”