Abstract: A compound having the structure (Formula I), wherein Y is —Y1, —Y2, —Y3, —Y4, —Y5; Y1 is C(O) or C(R1R2); Y2 is O, C(O), P(O)(OH) or CH2, provided that when Y1 is C(O), Y2 is not C(O); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the pup consisting of hydrogen, C1-4 alkyl, and —OC(O)C1-4 alkyl; Y3 is O, C(O) or CH2, provided that when Y2 is C(O), then Y3 is not C(O), and further provided that when Y2 is O, then Y3 is not O; Y4 is O or CH2 or is absent, provided that when Y3 is O, then Y4 is not O; Y5 is —(CH2)1-2—(X)0-1—(CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt thereof, which is useful for treating hypertension.

Abstract: A compound having the structure (Formula I), wherein R an angiotensin receptor antagonist active group, Y is Y1—Y2—Y3—Y4—Y5. Y1 is C(R1R2); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the group consisting of hydrogen, C1-4 alkyl, and -0C(0)C1-4 alkyl; Y2 is O or CH2; Y3 is C(O) or CH2; Y4 is O or CH2; Y5 is —(CH2)1-2—(X)0-1—CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.

Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, and Y is Y is selected from the group consisting of R1 is selected from the group consisting of —O—C1-6 alkyl, —O-aryl, —O-heteroaryl, —O—C3-8 cycloalkyl, —C1-6 alkyl, -aryl, -heteroaryl, and —C3-8 cycloalkyl; R2 and R3 are independently selected from the group consisting of hydrogen and C1-4 alkyl, or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.

Abstract: Certain novel 4-substituted N-acylated piperidine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: A compound having the structure wherein X is selected from the group consisting of: a bond, —NHCH2(CH2)nCH2OC(O)—, —CH2NHC(O)CH2NHC(O)—, —CH2OC(O)—, —OCH(CH3)OC(O)—, —OCH2OC(O)—, —O—, —NR1—, —CR1R3—, —(CH2)p—, —(CH2)qNR1C(O)—, —CHR5NR2C(O)—, —(CH2)qC(O)—, —(CH2)qC(O)—, —(CH2)qC(O)NR1—, or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating, hypertension.

Abstract: Certain novel substituted imidazoles are ligands of the human bombesin receptor and, in particular, are selective ligands of the human bombesin receptor subtype-3 (BRS-3). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the modulation of BRS-3, such as obesity, and diabetes.

Abstract: Certain novel N-acylated spiropiperidine derivatives are ligands of the human melanocortin receptor(s) and, in particular, are selective ligands of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the modulation of MC-4R, such as obesity, diabetes, nicotine addiction, alcoholism, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel substituted imidazoles are ligands of the human bombesin receptor and, in particular, are selective ligands of the human bombesin receptor subtype-3 (BRS-3). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the modulation of BRS-3, such as obesity, and diabetes.

Abstract: Certain novel N-acylated spiropiperidine derivatives are ligands of the human melanocortin receptor(s) and, in particular, are selective ligands of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the modulation of MC-4R, such as obesity, diabetes, nicotine addiction, alcoholism, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel N-acylated piperidine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel N-acylated spiropiperidine derivatives are ligands of the human melanocortin receptor(s) and, in particular, are selective ligands of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the modulation of MC-4R, such as obesity, diabetes, nicotine addiction, alcoholism, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel N-acylated spiropiperidine derivatives are ligands of the human melanocortin receptor(s) and, in particular, are selective ligands of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the modulation of MC-4R, such as obesity, diabetes, nicotine addiction, alcoholism, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel piperazine urea derivatives are agonists of the human melanocortin-4 receptor (MC-4R) and, in particular, are receptor-subtype selective agonists of MC-4R. They are useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity and diabetes.

Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, Y is -Y1-Y2-Y3-Y4-Y5-; Y1 is C(R1R2); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the group consisting of hydrogen, C1-4 alkyl, and —OC(O)C1-4 alkyl; Y2 is O or CH2; Y3 is C(O) or CH2; Y4 is O or CH2; Y5 is —(CH2)1-2—(X)0-1—(CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.

Abstract: Certain novel N-acylated spiropiperidine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel bicyclic N-acylated piperidine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel N-acylated piperazine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel bridged piperidine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel 4-substituted N-acylated piperidine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.

Abstract: Certain novel 4-substituted N-acylated piperidine derivatives are agonists of the human melanocortin receptor(s) and, in particular, are selective agonists of the human melanocortin-4 receptor (MC-4R). They are therefore useful for the treatment, control, or prevention of diseases and disorders responsive to the activation of MC-4R, such as obesity, diabetes, sexual dysfunction, including erectile dysfunction and female sexual dysfunction.