- Ring-Closing Metathesis on Commercial Scale: Synthesis of HCV Protease Inhibitor Simeprevir
-
The key macrocyclization step in the synthesis of simeprevir, a hepatitis C virus (HCV) antiviral drug, was studied. N-Boc substitution on the diene precursor changes the site of insertion of the metathesis catalyst and, consequently, the kinetic model of the ring closing metathesis (RCM), enabling a further increase in the macrocyclization efficiency under simulated high dilution (SHD) conditions. NMR of the inserted species of both first and second generation RCM catalysts are reported and discussed.
- Horváth, András,Depre, Dominique,Vermeulen, Wim A. A.,Wuyts, Stijn L.,Harutyunyan, Syuzanna R.,Binot, Grégori,Cuypers, Jef,Couck, Wouter,Den Heuvel, Dirk Van
-
p. 4932 - 4939
(2019/04/30)
-
- IMPROVED PROCESS FOR PREPARING AN INTERMEDIATE OF THE MACROCYCLIC PROTEASE INHIBITOR TMC 435
-
The present invention relates to an improved process for preparing (2R,3aR,10Z,11aS, 2aR,14aR)-cyclopenta[c]cyclopropa[g][1,6]diazacyclotetradecine-12a(1H)-carboxylic acid, 2,3,3a,4,5,6,7,8,9,11a,12,13,14,14a-tetradecahydro-2-[[7-methoxy-8-methyl-2-[4-10 (1-methylethyl)-2-thiazolyl]-4-quinolinyl]oxy]-5-methyl-4,14-dioxo-, ethyl ester. This compound is an intermediate in the overall synthesis route of the macrocyclic compound TMC 435. TMC 435 is an inhibitor of NS3/4A protease which plays an important role in the replication of the hepatitis C virus.
- -
-
Page/Page column 16-17
(2013/05/21)
-
- HCV INHIBITING MACROCYCLIC PHOSPHONATES AND AMIDOPHOSPHATES
-
Inhibitors of HCV replication of Formula (I) the /V-oxides, salts, and stcreochcmically isomeric forms thereof; pharmaceutical compositions containing compounds (1) and processes for preparin compounds (I). The side chain R2 is an amidophosphate or a phosphonate group and X, R1, R3, E and n are as defined in the application.
- -
-
Page/Page column 86-87
(2008/12/08)
-
- Structure-activity relationship study on a novel series of cyclopentane-containing macrocyclic inhibitors of the hepatitis C virus NS3/4A protease leading to the discovery of TMC435350
-
SAR analysis performed with a limited set of cyclopentane-containing macrocycles led to the identification of N-[17-[2-(4-isopropylthiazole-2-yl)-7-methoxy-8-methylquinolin-4-yloxy]- 13-methyl-2,14-dioxo-3,13-diazatricyclo [13.3.0.04,6]octadec-7-ene-4-carbonyl](cyclopropyl)sulfonamid e (TMC435350, 32c) as a potent inhibitor of HCV NS3/4A protease (Ki = 0.36 nM) and viral replication (replicon EC50 = 7.8 nM). TMC435350 also displayed low in vitro clearance and high permeability, which were confirmed by in vivo pharmacokinetic studies. TMC435350 is currently being evaluated in the clinics.
- Raboisson, Pierre,de Kock, Herman,Rosenquist, Asa,Nilsson, Magnus,Salvador-Oden, Lourdes,Lin, Tse-I,Roue, Natalie,Ivanov, Vladimir,Waehling, Horst,Wickstroem, Kristina,Hamelink, Elizabeth,Edlund, Michael,Vrang, Lotta,Vendeville, Sandrine,Van de Vreken, Wim,McGowan, David,Tahri, Abdellah,Hu, Lili,Boutton, Carlo,Lenz, Oliver,Delouvroy, Frederic,Pille, Geert,Surleraux, Dominique,Wigerinck, Piet,Samuelsson, Bertil,Simmen, Kenneth
-
scheme or table
p. 4853 - 4858
(2009/05/11)
-
- MACROCYCLIC INHIBITORS OF HEPATITIS C VIRUS
-
Inhibitors of HCV replication of formula (I) and the N-oxides, salts, and stereoisomers, wherein each dashed line represents an optional double bond; X is N, CH and where X bears a double bond it is C; R1 is -OR7, -NH-SO2R8; R2 is hydrogen, and where X is C or CH, R2 may also be C1-6alkyl; R3 is hydrogen, C1-6alkyl, C1-6alkoxyC1-6alkyl, C3-7cycloalkyl; R4 is aryl or Het; n is 3, 4, 5, or 6; R5 is halo, C1-6alkyl, hydroxy, C1-6alkoxy, phenyl, or Het; R6 is C1-6alkoxy, or dimethylamino; R7 is hydrogen; aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; R8 is aryl; Het; C3-7cycloalkyl optionally substituted with C1-6alkyl; or C1-6alkyl optionally substituted with C3-7cycloalkyl, aryl or with Het; aryl is phenyl optionally substituted with one, two or three substituents; Het is a 5 or 6 membered saturated, partially unsaturated or completely unsaturated heterocyclic ring containing 1 to 4 heteroatoms selected from nitrogen, oxygen and sulfur, and being optionally substituted with one, two or three substituents ; pharmaceutical compositions containing compounds (I) and processes for preparing compounds (I). Bioavailable combinations of the inhibitors of HCV of formula (I) with ritonavir are also provided.
- -
-
Page/Page column 74-75
(2008/06/13)
-