“…1). Moreover, a recent study showed that chloro substitution at 6th position of benzothiazole moiety led to maximal antimicrobial activity (Patel and Agravat, 2009). Furthermore, pyrazoles and pyrazolinones have also emerged as a group of compounds possessing a broad spectrum of useful medicinal properties such as anti-inflammatory (Amir et al, 2008a), anticancer (Cheng et al, 2010;Demirayak et al, 2010), anti-tubercular (Castagnolo et al, 2009), and antimicrobial activities (Gouda et al, 2010;Ragavan et al, 2010;Ozdemir et al, 2010;Anand and Remers, 2003) (Fig.…”