<；p>； THE PRESENT INVENTION REFERS TO COMPOUNDS OF FOacute； RMULA I, WHERE R1 IS HYDROacute； GENE, F O CL； L IS A BOTTOM LINK OR RENTAL； R2 IS - (CH2) N-LOWER ALKYL, LOWER ALKYL SUBSTITUTED BY HALOacute； GENO, - (CH2) NC (O) O-LOWER ALKYL, PHENYL SUBSTITUTED BY LOWER ALKYL OR HALOacute； GENE, OR IS A HETEROARYL GROUP OF 5 OR 6 MEMBERS, SELECTED FROM PIRIDINYL, PIRIMIDINYL, PIRIDAZINYL, TIAZOLYL, IMIDAZOLYL, PIRAZOLYL OR TRIAZOLYL, WHICH ARE OPTIONALLY SUBSTITUTED BY LOWER ALKYL, HALOacuteX, AXIOX, AXIOXLOWER ALKYL SUBSTITUTED BY HALO GENE, OR BY - (CH2) N-LOWER ALKYL； N ES 1, 2 O 3； R3 IS HYDROacute； GENE, LOWER ALKYL OR - (CH2) N-LOWER ALKYL； R4 IS PHENYL, PIRIDINYL OR PIRIMIDINYL, OPTIONALLY REPLACED BY F； AND IT'S CF OR CCL； EITHER TO A PHARMACEUTICALLY ACCEPTABLE SALT OR ADDITIONAL ACIDAL SALT, TO A RACEAMIC MIXTURE, OR TO ITS CORRESPONDING ENANTIOUTH AND / OR ISOacute； MERTICAL AND / OR STEREOISTIC MEROS. THE COMPOUNDS MAY BE USED FOR THE TREATMENT OF PARKINSON'S DISEASE, ANXIETY, EMESIS, OBSESSIVE COMPULSIVE DISORDER, AUTISM, NEUROPROTECTION,C Aacute； NCER, depressi oacute； N and diabetes 2. lt； / P gt；<；p>；LA PRESENTE INVENCIÓ；N SE REFIERE A COMPUESTOS DE FÓ；RMULA I, DONDE R1 ES HIDRÓ；GENO, F O CL； L ES UN ENLACE O ALQUILENO INFERIOR； R2 ES -(CH2) N-ALQUILO INFERIOR, ALQUILO INFERIOR SUSTITUIDO POR HALÓ；GENO, -(CH2)NC(O)O-ALQUILO INFERIOR, FENILO SUSTITUIDO POR ALQUILO INFERIOR O HALÓ；GENO, O ES UN GRUPO HETEROARILO DE 5 O 6 MIEMBROS, SELECCIONADO ENTRE PIRIDINILO, PIRIMIDINILO, PIRIDAZINILO, TIAZOLILO, IMIDAZOLILO, PIRAZOLILO O TRIAZOLILO, QUE ESTÁ；N OPCIONALMENTE SUSTITUIDOS POR ALQUILO INFERIOR, HALÓ；GENO, ALCOXI INFERIOR, =O, BENCILOXI, CICLOALCOXI, HIDROXI, CIANO, ALQUILO INFERIOR SUSTITUIDO POR HALÓ；GENO, O POR -(CH2)N-ALQUILO INFERIOR； N ES 1, 2 O 3； R3 ES HIDRÓ；GENO, ALQUILO INFERIOR O -(CH2)N-ALQUILO INFERIOR； R4 ES FENILO, PIRIDINILO O PIRIMIDINILO, OPCIONALMENTE SUSTITUIDO POR F； Y
