TY - JOUR TI - A new methodology for obtaining 'ALPHA'-oxo ester equivalents: sulfanylation of 'ALPHA'- sulfonyl carboxylic esters in a solid / liquid phase transfer catalitic system PY - 1997 AU - Wladislaw, B AU - Marzorati, Liliana AU - Claro, N F AU - Di Vitta, Cláudio T2 - Sysntesis PP - Stuttgart IS - 4 SP - 420 ER -