New chromosomal derivatives, their preparation process and drug synthesis containing chromosomes

摘要

The Invention relates to compounds of formula (i) in which R1 and R2 together form the carbon chain: in which: + R3 represents a hydrogen Atom or an alkyl group, + R4 represents a hydrogen Atom, an alkyl group, an aryl, heteroaryl, 3,4 - dioxociclobutenilo, alqui Lcarbonilo, cicloalquilcarbonilo, heterocicloalquilcarbonilo, Benzoyl, arilsulfonilo or heteroarilsulfonilo,Each of these groups or optionally substituted, I R3 and R4 form along with the nitrogen Atom to which are attached a cycle containing 5 to 8 Links the Cycle thus formed may be replaced opcionalmente.medicamentos.