Text this: ASYMMETRIC SYNTHESIS OF DIPHOSPHINE LIGANDS CONTAINING STEREOGENIC PHOSPHORUS CENTRES

  ______    ______    ______   _    _     ____    
 /_   _//  /_   _//  /_   _// | || | ||  |  _ \\  
   | ||     -| ||-     | ||   | || | ||  | |_| || 
  _| ||     _| ||_    _| ||   | \\_/ ||  | .  //  
 /__//     /_____//  /__//     \____//   |_|\_\\  
 `--`      `-----`   `--`       `---`    `-` --`