Abstract: The present invention relates to compounds of Formula (I) below, which inhibit the growth of picornaviruses, Hepatitus viruses, enteroviruses, cardioviruses, polioviruses, coxsackieviruses of the A and B groups, echo virus and Mengo virus. wherein: A is phenyl, pyridyl, substituted phenyl, substituted pyridyl, or benzyl; R is hydrogen, COR4, or COCF3; X is N—OH, O, or CHR1; R1 is hydrogen, halo, CN, C1-C4 alkyl, —C≡CH, CO(C1-C4 alkyl), CO2(C1-C4 alkyl), or CONR2R3; R2 and R3 are independently hydrogen or C1-C4 alkyl; A′ is hydrogen, halo, C1-C6 alkyl, benzyl, naphthyl, thienyl, furyl, pyridyl, pyrollyl, COR4, S(O)nR4, or a group of the formula R4 is C1-C6 alkyl, phenyl, or substituted phenyl; n is 0, 1, or 2; R5 is independently at each occurrence hydrogen or halo; m is 1, 2, 3, or 4; and R6 is hydrogen, halo, CF3, OH, CO2H, NH2, NO2, CONHOCH3, C1-C4 alkyl, or CO2(C1-C4 alkyl), C1-C4 alkoxy; or a pharmaceutically acceptable salt thereof.

Abstract: A series of benzimidazole compounds having the following general structure are provided which inhibit the growth of picornaviruses (e.g., rhinoviruses, enteroviruses, polioviruses, coxsackieviruses of the A and B groups, echo virus and Mengo virus) and flaviviruses (e.g., hepatitis C and bovine diarrheal virus). ##STR1## A method for inhibiting picornaviruses and flaviviruses is also provided which includes administering to a host an effective amount of the inventive benzimidazole compounds.

Abstract: The present application provides a series of benzimidazole compounds which inhibit the growth of picornaviruses, such as rhinoviruses, enteroviruses, polioviruses, coxsackieviruses of the A and B groups, echo virus and Mengo virus and flaviviruses such as hepatitis C and bovine diarrheal virus.

Abstract: 7-Amino-(or 7-acylamido)-3-(disubstituted-amino)-3-cephem-4-carboxylic acid esters are prepared with the corresponding 3-chloro-3-cephem ester or 3-alkyl-(or aryl)-sulfonyloxy-3-cephem esters and a secondary amine, e.g., diphenylmethyl 7-[2-(2-thienyl)acetamido]-3-morpholino-3-cephem-4-carboxylate is prepared with the corresponding 3-methyl-sulfonyloxy ester and morpholine. The 3-amino-substituted cephem esters are useful intermediates undergoing reduction with diborane to the corresponding 3H-3-cephem esters or, alternatively, they are reacted with Grignard reagents, e.g., phenylmagnesium bromide to provide, for example, the 3-phenyl-3-cephem ester.

Abstract: 7-Amino-(or 7-acylamido)-3-(disubstituted-amino)-3-cephem-4-carboxylic acid esters are prepared with the corresponding 3-chloro-3-cephem ester or 3-alkyl-(or aryl)-sulfonyloxy-3-cephem esters and a secondary amine, e.g., diphenylmethyl 7-[2-(2-thienyl)acetamido]-3-morpholino-3-cephem-4-carboxylate is prepared with the corresponding 3-methyl-sulfonyloxy ester and morpholine. The 3-amino-substituted cephem esters are useful intermediates undergoing reduction with diborane to the corresponding 3H-3-cephem esters or, alternatively, they are reacted with Grignard reagents, e.g., phenylmagnesium bromide to provide, for example, the 3-phenyl-3-cephem ester.

Abstract: 7-Amino-(or 7-acylamido)-3-(disubstituted-amino)-3-cephem-4-carboxylic acid esters are prepared with the corresponding 3-chloro-3-cephem ester or 3-alkyl-(or aryl)-sulfonyloxy-3-cephem esters and a secondary amine, e.g., diphenylmethyl 7-[2-(2-thienyl)acetamido] -3-morpholino-3-cephem-4-carboxylate is prepared with the corresponding 3-methyl-sulfonyloxy ester and morpholine. The 3-amino-substituted cephem esters are useful intermediates undergoing reduction with diborane to the corresponding 3H-3-cephem esters, or, alternatively, they are reacted with Grignard reagents, e.g., phenylmagnesium bromide to provide, for example, the 3-phenyl-3-cephem ester.