أرسل هذا في رسالة قصيرة: Silver triflate catalyzed cyclopropyl carbinol rearrangement for benzo[b]oxepine and 2H-chromene synthesis

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