CALCIUM RECEPTOR ANTAGONISTS

摘要

Compounds of the general formula [I], salts or solvates thereof, or prodrugs of them; pharmaceutical compositions (including calcium receptor antagonists ) containing the compounds, salts, solvates or prodrugs; and intermediates of the compounds, salts, solvates or prodrugs: [I] wherein R1 is optionally substituted aryl or the like; R2 is optionally substituted C1-6 alkyl or the like; R3 is hydrogen or the like; R4 is hydrogen or the like; R5 and R6 are each C1-6 alky or the like; R7 is optionally substituted aryl or the like; X 1, X2 and X3 are each C1-6 alkylene or the like; and X4 and X5 are each a singl e bond or the like.