A Set of phenyl sulfonate metal coordination complexes triggered Biginelli reaction for the high efficient synthesis of 3,4‐dihydropyrimidin‐2(1H)‐ones under solvent‐free conditions

Yong‐Tao Wang, Gui‐Mei Tang, Yu‐Song Wu

Three new metal coordination complexes, namely, [Co ( DPE )(H 2 O) 4 ]( DPE )( BS ) 2 ( 1 ), [Co ( DPE ) 2 (H 2 O) 4 ]( ABS ) 2 ( 2 ), [Co ( DPE )(H 2 O) 4 ]...