United States Patent (19) 11 Patent Number: 5,565,485 Bagley Et Al
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US005565485A United States Patent (19) 11 Patent Number: 5,565,485 Bagley et al. (45) Date of Patent: Oct. 15, 1996 (54) BLPHENYL COMPOUNDS USEFUL OR "BQ123, An ET(A) Receptor Antagonist, Attenuates ENDOTHELIN ANTAGONSTS Hypoxic Pulmonary-Hypertension in Rats' Bonvallet, S.T., et al. American Journal of Physiology, vol. 266, No. 4, (Apr. (75) Inventors: Scott W. Bagley, Groton, Conn.; 1994), pp. H1327-1331. Theodore P. Broten, Ambler, Pa.; "Endothelin-A Receptor Antagonist Prevents Acute Prasun K. Chakravarty, Edison, N.J.; Hypoxia-Induced Pulmonary-Hypertension in the Rat' Daljit S. Dhanoa, Secaucus, N.J.; Oparil, S., et al. American Journal of Physiology-Lung Kenneth J. Fitch, Scotch Plains, N.J.; Cellular and Molecular Physiology, vol. 12, No. 1, (Jan. William J. Greenlee, Teaneck, N.J.; Nancy J. Kevin, Clifton, N.J.; Douglas 1995), pp. L95-L100. J. Pettibone, Chalfont, Pa.; Ralph A. "Protection from Pulmonary Hypertension with an Orally Rivero, Tinton Falls, N.J.; Thomas F. Active Endothelin Receptor Antagonist in Hypoxic Rats' Walsh, Westfield, N.J.; David L. American Journal of Physiology-Heart and Circulatory Williams, Jr., Telford, Pa.; Richard B. Physiology, vol. 37, No. 2, (Feb. 1995), pp. H828-H835. Toupence, Cranford, N.J.; Jay M. "Endothelial Dysfunction and Remodeling of the Pulmonary Matthews, Fords, N.J. Ciculation in Chronic Hypoxic Pulmonary-Hypertension' Dinhxuan, A. T., et al. ACP-Applied Cardiopulmonary 73 Assignee: Merck & Co., Inc., Rahway, N.J. Pathophysiology, vol. 5, No. 2, (1994), pp. 93-99. "Cyclosporine-induced Elevation in Circulating Endothe 21 Appl. No.: 294,232 lin-1 in Patients with Solid-Organ Transplants' Grieff, M., et al. Transplantation vol. 54, No. 4, (Oct. 1993), pp. 22 Filed: Aug. 22, 1994 880-884. “Cyclosporine-Induced Hypertension After Transplanta Related U.S. Application Data tion' Textor, S.C., et al. Mayo Clinical Proceedings, vol. 69, 63) Continuation-in-part of Ser. No. 287,374, Aug. 8, 1994, (1994), pp. 1182-1193. abandoned, which is a continuation-in-part of Ser. No. "A Role of Endogenous Endothelin-1 in Neointimal For 197,467, Feb. 24, 1994, abandoned, which is a continuation mation. After Rat Carotid Artery Balloon Angioplasty' Dou in-part of Ser. No. 34,455, Mar. 19, 1993, abandoned. glas S. A., et al. Circulation Research, vol. 75, (1994), pp. (51) Int. Cl. A61K 31/335; A61K 31/535; 190-197. C07D 319/08; CO7D 265/30 52 U.S. Cl. .......................... 514/452, 514/146; 514/231; (List continued on next page.) 514/312; 514/347; 514/231.5; 514/381; 514/461; 514/464; 514/465; 514/469; 514/470; Primary Examiner Yogendra N. Gupta 514/869; 544/146; 54.6/153; 546/293; 548/253; Attorney, Agent, or Firm-Valerie J. Camara; Mark R. 548/254; 549/220; 549/362; 549/434; 549/469 Daniel (58) Field of Search .................................. 514/146, 231, 514/312, 347, 381, 452, 461, 464, 465, 57 ABSTRACT 466, 469, 470, 869; 549/220, 221, 362, 434, 436, 437, 438, 439, 440, 441, 443, Phenoxyphenylacetic acids and derivatives of the general 444, 445, 446, 447, 448, 469, 470, 471; structural formula I 548/253,254; 54.4/146; 54.6/153,293 R12 I (56) References Cited PUBLICATIONS R9 R10 Naim et al., Indian J. Chem. Vol. 19B, pp. 622-623 1980. Crenshaw et al., J. Org. Chem. vol. 47, pp. 101-104 1982. X Z Michael E. Jung et al., Heterocycles, vol.30(2) pp. 839-853, R8 1990. Saraiva et al., CA114(19): 185076t, 1990. R3b R1 "Antihypertensive Effects of the Endothelin Receptor Antagonist BQ-123 in Conscious Spontaneously Hypeten sive Rats' E. H. Ohlstein, et al. 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"Characterization of Endothelin-Binding Sites in Human "Endothelin Concentrations in Patients with Aneurysmal Skin and Their Regulation in Primary Raynauds-Phenom Subarachnoid Hemorrhage-Correlation with Cerebral enon and Systemic-Sclerosis' Knock G. A., et al. Journal of Vasospasm, Delayed Ischemic Neurological Deficits, and Investigative Dermatology, vol. 101, No. 1, (Jul. 1993), pp. Volume of Hematoma' Seifert V., et al. Journal of Neuro 73-78. surgery, vol. 82, No. 1, (Jan. 1995), pp.55-62. 5,565,485 1 2 BPHENYL COMPOUNDS USEFUL OR muscle cells which would suggest a possible relevance to ENDOTHELIN ANTAGONSTS arterial hypertrophy.' Endothelin receptors are present in high concentration in RELATED APPLICATIONS the peripheral tissues and also in the central nervous system, 5 and cerebral administration of endothelin has been shown to The present application is a continuation in part applica induce behavioral changes in animals, suggesting that endot tion of Case 18893IB, U.S.