Synthesis of novel functionalized dihydroimidazo[2, 1-a]isoquinolines and dihydroimidazo[2, 1-a] quinolines: single crystal X-ray studies of (Z)-methyl 2-(1-(benzo[d]thiazol-2-yl)-2-oxo-1, 2-dihydroimidazo[2, 1-a]isoquinolin-3(10bH)-ylidene)acetate. Issue 8 (25th February 2015)