發送短信 : A variation of the Pictet-Spengler reaction via a sequential reduction-cyclization reaction of N-acylcarbamates: synthesis of 1-substituted tetrahydroisoquinoline derivatives

  _____    _    _     _____     _____     ______  
 |__  //  | || | ||  / ____||  |  ___||  /_   _// 
   / //   | || | || / //---`'  | ||__      | ||   
  / //__  | \\_/ || \ \\___    | ||__     _| ||   
 /_____||  \____//   \_____||  |_____||  /__//    
 `-----`    `---`     `----`   `-----`   `--`