USOO7749992B2 (12) United States Patent (10) Patent No.: US 7,749,992 B2 Cao et al. (45) Date of Patent: Jul. 6, 2010 (54) COMPOUNDS AND METHODS FOR 5,602,122 A 2/1997 Flynn et al. TREATING DSLPIDEMA 5,622,947 A 4/1997 Ogawa et al. 6,090,824 A 7/2000 Bernstein et al. (75) Inventors: Guoqing Cao, Carmel, IN (US); Ana 6,096,735 A 8 2000 Ogawa et al. Maria Escribano, Alcobendas-Madrid 6,140,343 A 10/2000 DeNinno et al. (ES); Maria Carmen Fernandez, 6,147,089 A 11/2000 DeNinno et al. Alcobendas-Madrid (ES); Todd Fields, 6,147,090 A 11, 2000 DeNinno et al. Indianapolis, IN (US); Douglas Linn 6, 197,786 B1 3/2001 DeNinno et al. Gernert, Indianapolis, IN (US); R R 58: N et al - K - aO a shortly to Troy, NY 6,586.448 B1 7/2003 DeNinno et al. s s 6,689,897 B2 2/2004 Damon et al. NAGA S. (US Nath: Bryan 6,962.931 B2 11/2005 Gumkowski et al. antlo, Brownsburg, N (US); Eva 2002/00725 14 A1 6/2002 Brendel et al. Maria Martin De La Nava, 2002/0103225 A1 8/2002 Curatolo et al. Alcobendas-Madrid (ES); Ana Isabel 2003/0198674 A1 10, 2003 Curatolo et al. Mateo Herranz, Algobendas-Madrid 2004/0082609 A1 4/2004 Ghosh et al. (ES); paniel Ray Mayhugh, Carmel, IN 2004/0204450 A1 10, 2004 Bechle et al. (US); Xiaodong Wang, Carmel, IN (US) 2005/0059810 A1 3, 2005 Maeda et al. (73) Assignee: Eli Lilly and Company, Indianapolis, 2005/0234212 A1 10/2005 Depuydt et al. IN (US) 2006/010O239 A1 5/2006 Nagasaki et al. (*) Notice: Subject to any disclaimer, the term of this 2007/0173526 A1 7, 2007 Bell et al. patent is extended or adjusted under 35 2007/0208003 A1 9, 2007 Bell et al. U.S.C. 154(b) by 994 days 2007/0244095 A1 10, 2007 Chen et al. M YW- 2008/0269284 A1 10, 2008 Escribano et al. (21) Appl. No.: 10/574,649 (22) PCT Filed: Oct. 7, 2004 (86). PCT No.: PCT/US2004/030907 FOREIGN PATENT DOCUMENTS EP 1125929 11, 2000 S371 (c)(1), JP 1997 2214746 A 8, 1997 (2), (4) Date: Mar. 30, 2006 WO WOO1/4019.0 A1 6, 2001 (87) PCT Pub. No.: WO2005/037796 WO WO 2005/033O82 A2 4/2005 WO WO 2005/033O82 A3 4/2005 PCT Pub. Date: Apr. 28, 2005 (65) Prior Publication Data OTHER PUBLICATIONS US 2007/O254869 A1 Nov. 1, 2007 Related U.S. ApplicationO O Data Bisgaier et al. J of Lipid Res. 1993, 34, 1625-1634. Primary Examiner Brenda L. Coleman (60) Eyinal application No. 60/509,736, filed on Oct. (74) Attorney, Agent, or Firm—James B. Myers; Francis O. s Ginah (51) Int. Cl. A6IP3/06 (2006.01) (57) ABSTRACT A6IP 9/10 (2006.01) A6 IK3I/55 (2006.01) CO7D 22.3/4 (2006.01) Compounds of formula I CO7D 22.3/6 (2006.01) CO7D 223/32 (2006.01) 4 CO7D 225/06 (2006.01) R R3 CO7D 403/04 (2006.01) CO7D 403/2 (2006.01) 1N CO7D 405/06 (2006.01) (R)- (CH2) CO7D 405/2 (2006.01) 4NuS (R2) CO7D 413/04 (2006.01) N CO7D 49/04 (2006.01) (CHR) R1 (52) U.S. Cl. .................................. 514/213.01:54.0/593 N1 (58) Field of Classification Search ............ 514/213.01; S lication file f 1 hhi 540,593 whereinn, m, p, q, y, R. R. R. R. R. and Rare as defined ee application file for complete search history. herein and their pharmaceutical compositions and methods of (56) References Cited use are disclosed as useful for treating artherosclerosis and its sequelae. U.S. PATENT DOCUMENTS 5,484,783 A 1/1996 Flynn et al. 14 Claims, No Drawings US 7,749,992 B2 1. 2 COMPOUNDS AND METHODS FOR have relatively low HDL cholesterol, whereas mice and rats TREATING DSLIPIDEMA do not express CETP and carry nearly all their cholesterol in HDL. Further more, transgenic expression of CETP in mice REFERENCE TO RELATED APPLICATIONS results in significantly reduced HDL cholesterol levels and developed severe atherosclerosis compared to control mice This application is submitted as a United States national (K. R. Marotti et al., (1993) Severe atherosclerosis in trans phase entry, pursuant to 35 U.S.C S371, of PCT/US2004/ genic mice expressing simian cholesteryl ester transfer pro 030907, filed on Oct. 7, 2004, which claims the benefit of U.S. tein. Nature: 364, 73-75). Expression of human CETP in provisional patent application Ser. No. 60/509,736, filed Oct. Dahl salt-sensitive hypertensive rats led to spontaneous com 8, 2003, which is incorporated by reference herein. 10 bined hyperlipidemia, coronary heart disease and decreased survival (V. L. M. Herrera et al., (1999) Spontaneous com FIELD OF THE INVENTION bined hyperlipidemia, coronary heart disease and decreased Survival in Dahl salt-sensitive hypertensive rats transgenic for The current invention relates to the fields of medicinal human cholesteryl ester transfer protein. Nature Medicine: 5, organic chemistry, pharmacology, and medicine. Further, the 15 current invention relates to a group of compounds that dem 1383-1389). onstrate utility for treating pathological states due to dyslipi Antibodies either directly injected into the plasma or gen demia erated through vaccine injection can effectively inhibit CETP activity in hamsters and rabbits resulting in elevated HDL BACKGROUND OF THE INVENTION cholesterol (C. W. Rittershaus, (1999) Vaccine-induced anti bodies inhibit CETP activity in vivo and reduce aorticlesions Coronary heart disease (CHD) is one of the major causes of in a rabbit model of atherosclerosis. Furthermore, antibody morbidity and mortality worldwide. Despite attempts to neutralization of CETP in rabbits has been shown to be anti modify risk factors such as obesity, Smoking, lack of exercise, atherogenic (Arterio. Thromb. Vasc, Biol. 20, 2106-2112: G. and treatment of dyslipidemia with dietary modification or 25 F. Evans et. al., (1994) Inhibition of cholesteryl ester transfer drug therapy, CHD remains the most common cause of death protein in normocholesterolemic and hypercholesterolemic in the U.S. Over 50% of all CHD deaths are due to underlying hamsters: effects on HDL Subspecies, quantity, and apolipo atherosclerotic coronary heart disease. protein distribution.J. Lipid Research. 35, 1634-1645). How Dyslipidemia is a major risk factor for CHD. Low plasma ever, antibody and/or vaccine therapy is not currently a viable levels of high density lipoprotein (HDL) cholesterol with 30 option for the treatment of large populations of patients in either normal or elevated levels of low density (LDL) choles need of treatment for dyslipidemia and resultant or associated terol is a significant risk factor for developing atherosclerosis disease state manifestations. and associated coronary artery disease in humans. Indeed, Benzazepines have been reported as useful for certain several studies on lipoprotein profiles of CHD patients have therapeutic purposes. For example, Kondo et all teaches the shown that about 50% of the CHD patients have cholesterol 35 use of certain benzazepines derivatives as potent orally active levels that are considered to be in the normal range (<200 non-peptide arginine vasopressin V2 receptor antagonists, mg/dl). Furthermore, these studies found low HDL choles see Kondo et al., 7-chloro-5-hydroxy-1-2-methylbenzoy terol in about 40% of the normo-cholesterolemic CHD lamino)benzoyl-2,3,4,5-tetrahydro-1H-1-benzazepine patients as compared to the general population reported in the (OPC-41061): A potent, Orally Active Vasopressin Non-pep National Health and Nutrition Examination Survey. Since 40 tide Arginine Vasopressin V2 Receptor Antagonist, Bioor low levels of HDL cholesterol increase the risk of atheroscle ganic and Medicinal Chemistry 7 (1999) 1743-1754. rosis, methods for elevating plasma HDL cholesterol would There have also been several reports of small molecule be therapeutically beneficial for the treatment of cardiovas CETP inhibitors. Barrret et al. (J. Am. Chem. Soc., 188, cular disease including, but not limited to, atherosclerosis, 7863, (1996)) and Kuo et al. (J. Am. Chem. Soc., 117, 10629, CHD, stroke, and peripheral vascular disease. 45 (1995)) describe cyclopropan-containing CETP inhibitors. Cholesterol ester transfer protein (CETP) is a 74KD gly Pietzonka et al. (Biorg. Med. Chem. Lett. 6, 1951 (1996)) coprotein that facilitates the exchange of cholesterol esters in describe phosphanate-containing analogs as CETP inhibi HDL for triglycerides in triglyceride-rich lipoproteins (A. R. tors. Coval et al. (Bioorg. Med. Chem. Lett. 5, 605, (1995)) Tallet. al., (1999) 1999 George Lyman Duss Memorial Lec describe Wiedendiol-A and -B related sesquiterpines as ture: Lipid transfer proteins, HDL metabolism and athero 50 CETP inhibitors. Japanese Patent Application No. genesis. Arterio. Thromb. Vasc. Biol. 20:1185-1188.). The net 10287662-A describes polycyclic, non-amine containing, result of CETP activity is a lowering of HDL cholesterol and polyhydroxylic natural compounds possessing CETP inhibi an increase in LDL cholesterol. This effect on lipoprotein tion properties. Lee et al. (J. Antibiotics, 49, 693-96 (1996)) profile is believed to be proatherogenic, especially in Subjects describe CETP inhibitors derived from an insect fungus. whose lipid profile constitutes an increased risk for CHD. 55 Buschet al. (Lipids, 25, 216-220 (1990)) describe cholesteryl Niacin can significantly increase HDL, but has serious tol acetyl bromide as a CETP inhibitor. Morton and Zilversmit eration issues that reduce compliance. Currently marketed (J. Lipid Res., 35,836-47 (1982)) describe that p-chloromer fibrates and HMG CoA reductase inhibitors raise HDL cho curiphenyl sulfonate, p-hydroxymercuribenzoate and ethyl lesterol only modestly (~10-12%). As a result, there is a mercurithiosalicylate inhibit CETP. Connolly et al. (Bio significant unmet medical need for a well-tolerated agent 60 chem.