Patent ID: 9676742
Date: 2017-06-13
CPC Classifications: C07D

Claim:
1. A compound of formula IV: where: R R 10 is selected from —C 1-6 alkyl, —O—C 1-6 alkyl, —O—C 3-7 cycloalkyl, —CH[CH(CH 3 ) 2 ]—NH 2 , and —CH[CH(CH 3 ) 2 ]—NHC(O)O—C 1-6 alkyl; R 11 and R 12 are —C 1-6 alkyl or are taken together as —(CH 2 ) 3-6 —, —C(O)—(CH 2 ) 3 —, or —(CH 2 ) 2 (CH 2 ) 2 —; R 13 is selected from —O—C 1-6 alkyl, —O-benzyl, and —NR 11 R 12 ; X is selected from pyrazole, imidazole, triazole, benzotriazole, tetrazole, oxazole, isoxazole, thiazole, pyrimidine, pyridazine, benzimidazole, pyran, and pyridyltriazole; R R a is 0 or 1; R b is 0 or an integer from 1 to 3; each R P and where each alkyl group in R or a tautomer or salt thereof.