Tricarbonylh6-AreneChromium0 Complexes as Chiral Auxiliaries: Asymmetric Synthesis of b-LactonesReportar como inadecuado


Tricarbonylh6-AreneChromium0 Complexes as Chiral Auxiliaries: Asymmetric Synthesis of b-Lactones


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Dipartimento di Chimica Organica e Industriale dell’Universita’ di Milano e Centro CNR, Via Venezian, 21-20133 Milano Italy





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Abstract The optically pure tricarbonylh6-2-substituted benzaldehydeschromium are used as chiral auxiliaries in the condensation with a series of doubly lithiated carboxylic acids. The intramolecular ring closure of the obtained CrCO3 complexed b-hydroxyacids affords the optically pure b-lactones in satisfactory yield. View Full-Text

Keywords: b-lactones; stereoselective synthesis; 2-oxetanones; chromiumtricarbonyl benzaldehydes b-lactones; stereoselective synthesis; 2-oxetanones; chromiumtricarbonyl benzaldehydes





Autor: Paola Del Buttero * and Deborah Montrasio

Fuente: http://mdpi.com/



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