Central Nervous System Activity of 7-Substituted 1-Azaphenoxathiin Analogues and Their Oxidation Products ... Arthur J. Elliott,* Medicinal Chemistry Department Norman Eisenstein, and Louis C. Iorio Pharmacology Department, Schering- Plough Research Division, Bloomfield, New Jersey 07003. Received September 7, 1979 ... A number of 7-substituted 1-amphenoxathiins and their sulfone oxidation products have been synthesized and screened for central nervous ...