SUBSTITUTED OXADIAZOLE ANALOGS AS CALCIUM CHANNEL ANTAGONISTS

摘要

This invention relates to novel compounds of formula (I) (I) wherein R1, R2, R3, R4, R5, G1, G2, Y, n, and Ar1 are as defined in the specification, pharmaceutical compositions containing said compounds useful as calcium channel antagonists, and to methods of causing vasodilation of treating a disease selected from hypertension, congestive heart failure, stroke, ischaemic heart disease, and angina pectoris and of reducing myocardial tissue damage (e.g., substantially preventing tissue damage, inducing tissue protection) during surgery (e.g., coronary artery bypass grafting (CABG) surgeries, vascular surgeries, percutaneous transluminal coronary angioplasty (PTCA) or any percutaneous transluminal coronary intervention (PTCI), organ transplantation, or other non-cardiac surgeries), chronic pain, inflammatory pain, neuropathic pain, visceral pain, nociceptive pain, multiple sclerosis, neurodegenerative disorder, irritable bowel syndrome, osteoarthritis, rheumatoid arthritis, neuropathological disorders, functional bowel disorders, inflammatory bowel diseases, pain associated with dysmenorrhea, pelvic pain, cystitis, pancreatitis, migraine, cluster and tension headaches, diabetic neuropathy, sciatica, fibromyalgia and causalgia.