PROCESS FOR PRODUCING 6-BETA-SQUARE BRACKET-2-BRACKET-2-COMMA ABOVE-METHYL-PHENOXY-CARBONYL-BRACKET CLOSED-2-THIEN-3-COMMA ABOVE-YL-ACETAMIDO-SQUARE BRACKET CLOSED-2,2-DIMETHYL-PENAME-CARBOXYLIC ACID AND ALKALI SALTS THEREOF

摘要

6 beta -[2-(2'-methylphenoxycarbonyl)-2-thien-3'-ylacetamido] penicillanic acid of formula (II): IMAGE (II) and pharmaceutically acceptable salts and in vivo hydrolyzable esters thereof, are active against Gram-positive and Gram-negative bacteria which makes them useful as therapeutic and prophylactic agents against bacterial infections in animals, including man and poultry. A process for the preparation and pharamceutical compositions comprising the penicillin, are also described.