(Received 20 February I967 : accepted for publication 14 March 1967) ... Abstract-Lactones were found to react with benzophenone oxime salt to give odiphenylmethylidene- aminooxy acids which were hydrolyzed to the corresponding r+aminooxy acids. The reaction was applied to an tfftcient syntheses of or-canaime. ... ~-AMIN~~XY acids are of interest, ie owing to their structural relationship to canaline and cycloserine. We wish to report a method for ...