... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 32, Issue 23, 3 June 1991, Pages 2633–2636. Cover image Cover image. A new method for the synthesis of n-arylphthalisoimides. ... Received 14 February 1991, Available online 23 April 2001. Abstract. N-arylphthalisoimides have been synthesized in almost quantitative yields by the reaction, under very mild conditions, of 3,3-dichlorphthalide with aromatic amines. ...