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  Indian J Med Microbiol
 

Figure 1: (a) Chemical structure of compounds 1–3 and (b) synthesis of compounds 4–6 (i) Mg metal, tetrahydrofuran, rt to reflux, 4 h, (ii) anisaldehyde, DCM, rt to reflux, 2 h, (iii) K2Cr2O7, H2SO4, stirring, rt, 2 h, (iv) SOCl2, DCM, stirring overnight, rt, and (v) benzyl amine, DCM, rt, stirring, 24 h

Figure 1: (a) Chemical structure of compounds 1–3 and (b) synthesis of compounds 4–6 (i) Mg metal, tetrahydrofuran, rt to reflux, 4 h, (ii) anisaldehyde, DCM, rt to reflux, 2 h, (iii) K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>, H<sub>2</sub>SO<sub>4</sub>, stirring, rt, 2 h, (iv) SOCl<sub>2</sub>, DCM, stirring overnight, rt, and (v) benzyl amine, DCM, rt, stirring, 24 h