Text this: Part A: iterative addition of carbon nucleophiles to N,N-dialkyl carboxamides for the synthesis of α-tertiary amines; Part B: asymmetric synthesis of alkylzincs by rhodium-catalyzed enantioselective arylative cyclization of 1,6-enynes with arylzincs

 _    _      ___      _  _      ___     __   __  
| || | ||   / _ \\   | \| ||   / _ \\   \ \\/ // 
| || | ||  | / \ ||  |  ' ||  / //\ \\   \   //  
| \\_/ ||  | \_/ ||  | .  || |  ___  ||  / . \\  
 \____//    \___//   |_|\_|| |_||  |_|| /_//\_\\ 
  `---`     `---`    `-` -`  `-`   `-`  `-`  --`