ChemInform Abstract: Organocatalyzed Microwave‐Assisted Competing Cyclization of Cyanopropargylic Alcohols with Carboxylic Acids: 4‐Cyano‐3(2H)‐furanones versus 4‐Cyano‐[(Z)‐3‐cyanomethylene]‐2, 3‐dihydrofurans. Issue 45 (October 2016)