Tricyclic pyrazole derivatives of the following formula (I) having affinity for the cannabinoidergic CB1 and/or CB2 receptors:
wherein:
A represents a group selected from one of the following: (CH
2
)
t
—, —(CH
2
)—S(O)
z
—, or —S(O)
z
—(CH
2
)—,
B is a heteroaryl, optionally substituted;
R is a group selected from the following:
alkyl, aryl, arylalkyl or arylalkenyl, not substituted or having from one to four substituents, equal to or different from each other;
R′ is a group selected from the following:
an ether group of formula —(CH
2
)—O—(CH
2
)
v
—R″,
a ketonic group of formula —C(O)-Z′, wherein Z′ is as defined below;
a substituent having an hydroxyl function of formula —CH(OH)-Z′;
an amide substituent of formula —C(O)—NH-T′.