Piperazino derivatives and methods for their manufacture

Claim 1

A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENOTHIAZYL ALKYL PIPERAZINES OF THE STRUCTURAL FORMULA: AND THE NON TOXIC ACID ADDITION SALTS THEREOF WHEREIN R IS A LOWER ALKYL GROUP, R1 IS A MEMBER OF THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL, Y IS A BIVALENT SATURATED ALIPHATIC HYDROCARBON GROUP HAVING FROM 2 TO 5 CARBON ATOMS WITH AT LEAST 2 CARBON ATOMS SEPARATING THE 10-PHENOTHIAZYL-NITROGEN ATOM FROM THE 4-PIPERAZINYL NITROGEN ATOM, AND A IS A MEMBER OF THE GROUP CONSISING OF LOWER ALKYL, LOWER ALKENYL, LOWER ALKYNYL, AND A SUBSTITUTED LOWER ALKYL OF THE GROUP CONSISTING OF HYDROXY-LOWER ALKYL, LOWER ALKANOLOXY-LOWR ALKYL, CARBAMOYLOXY-LOWER ALKYL, DI-LOWER ALKYL CARBAMOYLOXYLOWER ALKYL, LOWER ALKYL AND HYDROXY LOWER ALKOXY-LOWER ALKYL, WHEREIN THE SUBSTITUENT IS SEPARATED FROM THE 1-PIPERAZINYL NITROGEN ATOM BY AT LEAST 2 CARBON ATOMS.