Novel guanidine mimics as factor Xa inhibitors

A compound of formula I:

• or a stereoisomer or pharmaceutically acceptable salt thereof, wherein;
• ring D is a 5 membered aromatic system containing from 1-2 heteroatoms selected from the group N, O, and S;
• ring D is substituted with 0-2 R;
• ring E contains 0-2 N atom and is substituted by 0-1 R;
• R is selected from Cl, F, Br, I, OH, C1-3 alkoxy, NH2, NH(C1-3 alkyl), N(C1-3 alkyl)2, CH2NH2, CH2NH(C1-3 alkyl), CH2N(C1-3 alkyl)2, CH2CH2NH2, CH2CH2NH(C1-3 alkyl), and CH2CH2N(C1-3 alkyl)2;
• M is
• Z is selected from a bond, C1-4 alkylene, (CH2)rO(CH2)r, (CH2)rNR3(CH2)r, (CH2)rC(O)(CH2)r, (CH2)rC(O)O(CH2)r, (CH2)rOC(O) (CH2)r, (CH2)rC(O)NR3(CH2)r, (CH2)rNR3C(O) (CH2)r, (CH2)rOC(O)O(CH2)r, (CH2)rOC(O)NR3(CH2)r, (CH2)rNR3C(O)O(CH2)r, (CH2)rNR3C(O)NR3(CH2)r, (CH2)rS(O)p(CH2)r, (CH2)rSO2NR3(CH2)r, (CH2)rNR3SO2(CH2)r, and (CH2)rNR3SO2NR3(CH2)r, provided that Z does not form a N—N, N—O, N—S, NCH2N, NCH2O, or NCH2S bond with ring M or group A;
• R1a and R1b are independently H or selected from —(CH2)r—R1′, —CH═CH—R1′, NHCH2R1″, OCH2R1″, SCH2R1″, NH(CH2)2(CH2)tR1′, O(CH2)2(CH2)tR1′, and S(CH2)2(CH2)tR1′;
• R1′ is selected from H, C1-3 alkyl, F, Cl, Br, I, —CN, —CHO, (CF2)rCF3, (CH2)rOR2, NR2R2a, C(O)R2c, OC(O)R2, (CF2)rCO2R2C, S(O)pR2b, NR2(CH2)rOR2, C(═NR2c)NR2R2a, NR2C(O)R2b, NR2C(O)NHR2b, NR2C(O)2R2a, OC(O)NR2aR2b, C(O)NR2R2a, C(O)NR2(CH2)rOR2, SO2NR2R2a, NR2SO2R2b, C3-6 carbocyclic group substituted with 0-2 R4, and 5-10 membered heterocyclic system containing from 1-4 heteroatoms selected from the group consisting of N, O, and S substituted with 0-2 R4, provided that if R1′ is substituted with R4 then R4 is other than NH(CH2)2(CH2)tR1′, O(CH2)2(CH2)tR1′, and S(CH2)2(CH2)tR1′;
• R1′ is selected from H, CH(CH2OR2)2, C(O)R2c, C(O)NR2R2a, S(O)R2b, S(O)2R2b, and SO2NR2R2a;
• R2, at each occurrence, is selected from H, CF3, C1-6 alkyl, benzyl, C3-6 carbocyclic group substituted with 0-2 R4b, and 5-6 membered heterocyclic system containing from 1-4 heteroatoms selected from the group consisting of N, O, and S substituted with 0-2 R4b;
• R2a, at each occurrence, is selected from H, CF3, C1-6 alkyl, benzyl, phenethyl, C3-6 carbocyclic group substituted with 0-2 R4b, and 5-6 membered heterocyclic system containing from 1-4 heteroatoms selected from the group consisting of N, O, and S substituted with 0-2 R4b;
• R2b, at each occurrence, is selected from CF3, C1-4 alkoxy, C1-6 alkyl, benzyl, C3-6 carbocyclic group substituted with 0-2 R4b, and 5-6 membered heterocyclic system containing from 1-4 heteroatoms selected from the group consisting of N, O, and S substituted with 0-2 R4b;
• R2c, at each occurrence, is selected from CF3, OH, C1-4 alkoxy, C1-6 alkyl, benzyl, C3-6 carbocyclic group substituted with 0-2 R4b, and 5-6 membered heterocyclic system containing from 1-4 heteroatoms selected from the group consisting of N, O, and S substituted with 0-2 R4b;
• R3, at each occurrence, is selected from H, C1-4 alkyl, and phenyl;
• R3a, at each occurrence, is selected from H, C1-4 alkyl, and phenyl;
• R3c, at each occurrence, is selected from C1-4 alkyl, and phenyl;
• A is C3-10 carbocyclic group substituted with 0-2 R4;
• B is Y;
• Y is 5-10 membered heterocyclic system containing from 1-4 heteroatoms selected from the group consisting of N, O, and S substituted with 0-2 R4a;
• R4, at each occurrence, is selected from H, ═O, (CH2)rOR2, F, Cl, Br, I, C1-4 alkyl, —CN, NO2, (CH2)rNR2R2a, (CH2)rC(O)R2C, NR2C(O)R2b, C(O)NR2R2a, NR2C(O)NR2R2a, C(═NR2)NR2R2a, C(═NS(O)2R5)NR2R2a, NHC(═NR2)NR2R2a, C(O)NHC (═NR2)NR2R2a, SO2NR2R2a, NR2SO2NR2R2a, NR2SO2—C1-4 alkyl, NR2SO2R5, S(O)pR5, (CF2)rCF3, NHCH2R1′, OCH2R1, SCH2R1′, NH(CH2)2(CH2)tR1′, b(CH2)2(CH2)tR1′, and S(CH2)2(CH2)tR1′;
• R4a, at each occurrence, is selected from H, ═O, (CH2)rOR2, (CH2)r—F, (CH2)r—Br, (CH2)r—Cl, I, C1-4 alkyl, —CN, NO2, (CH2)r NR2R2a, (CH2)rNR2R2b, (CH2)rC(O)R2C, NR2C(O)R2b, C(O)NR2R2a, C(O)NH(CH2)2 NR2R2a, NR2C(O)NR2R2a, C(═NR2)NR2R2a, NHC(═NR2)NR2R2a, SO2NR2R2a, NR2SO2NR2R2a, NR2SO2—C1-4 alkyl, C(O)NHSO2—C1-4 alkyl, NR2SO2R5, S(O)pR5, and (CF2)rCF3;
• R4b, at each occurrence, is selected from H, ═O, (CH2)rOR3, F, Cl, Br, I, C1-4 alkyl, —CN, NO2, (CH2)rNR3R3a, (CH2)rC(O)R3, (CH2)rC(O)OR3C, NR3C(O)R3a, C(O)NR3R3a, NR3C(O)NR3R3a, C(═NR3)NR3R3a, NR3C(═NR3)NR3R3a, SO2NR3R3a, NR3SO2NR3R3a, NR3SO2—C1-4 alkyl, NR3SO2CF3, NR3SO2-phenyl, S(O)pCF3, S(O)p—C1-4 alkyl, S(O)p-phenyl, and (CF2)rCF3;
• R5, at each occurrence, is selected from CF3, C1-6 alkyl, phenyl substituted with 0-2 R6, and benzyl substituted with 0-2 R6;
• R6, at each occurrence, is selected from H, OH, (CH2)rOR2, F, Cl, Br, I, C1-4 alkyl, CN, NO2, (CH2)rNR2R2a, (CH2)rC(O)R2b, NR2C(O)R2b, NR2C(O)NR2R2a, C(═NH)NH2, NHC(═NH)NH2, SO2NR2R2a, NR2SO2NR2R2a, and NR2SO2C1-4 alkyl;
• p is selected from 0, 1, and 2;
• r is selected from 0, 1, 2, and 3;
• and,
• t is selected from 0 and 1.