Intermediates for preparing dual-acting benzyl triazole antihypertensive agents having angiotensin II type I receptor antagonist activity and neprilysin-inhibition activity

A compound selected from the group consisting of:

• Ar is:
• Ar* is Ar-R1*;
• R1 is —COOR1a, where R1a is selected from H and —C1-6alkyl;
• R1* is —C(O)O—P2, where P2 is a carboxy-protecting group;
• R3 is —C1-10alkyl;
• X is —CH2—NHC(O)—;
• R5 is selected from —C0-3alkylene-SR5a and —C0-3alkylene-C(O)N(OH)H, where R5a is selected from H and —C(O)C1-6alkyl;
• R5* is selected from —C0-3alkylene-S—P3 and —C0-3alkylene-C(O)NH(O—P5), where P3 is a thiol-protecting group and P5 is a hydroxyl-protecting group;
• R6 is selected from —C1-6alkyl and —C0-3alkylenearyl;
• R7 is H;
• and salts thereof.