... UK. John L. Suschitzky. Department of Medicinal Chemistry, Fisons PLC, Pharmaceutical Division, S and T Laboratories, Bakewell Road, Loughborough, Leicestershire. LEll OQY, England. Received 21 July 1982, Available online 2 April 2001. Abstract. Interaction of 3-formylchromones with ethyl aminoethanoate provides a novel route to pyridines and pyrroles. References. 1; AO Fitton, JR Frost, H. Suschitzky; Synthesis (1977), p. 133. ...