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__    __   _    _                ___      _____   
\ \\ / // | || | ||     ___     / _ \\   /  ___|| 
 \ \/ //  | || | ||    /   ||  | / \ || | // __   
  \  //   | \\_/ ||   | [] ||  | \_/ || | \\_\ || 
   \//     \____//     \__ ||   \___//   \____//  
    `       `---`       -|_||   `---`     `---`   
                         `-`

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Text this: N-heterocyclic carbene-catalyzed intramolecular stetter reaction between an aldehyde and activated alkyne for easy access to chromones.