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Synthesis 1988; 1988(10): 799-801
DOI: 10.1055/s-1988-27712
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A New Site Selective Synthesis of Benzoin Esters. Synthesis of Symmetrically and Unsymmetrically Substituted Benzils

Diego Armesto* , William M. Horspool, Maria J. Ortiz, Rafael Perez-Ossorio
  • *Departamento de Quimica Organica, Facultad de Ciencias Quimicas, Universidad Complutense, E-28040 Madrid, Spain
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Publication Date:
12 September 2002 (online)

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A series of novel benzoin esters has been obtained in high yield, in a site selective synthesis, by the acid hydrolysis of a series of 4-benzoyloxy-2-azabuta-1, 3-dienes. The oxidation of the benzoin esters allows the preparation of symmetrically and unsymmetrically substituted benzils by a route that is superior, in some cases, to those previously reported.