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

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Text this: Interception of enamine intermediates in reductive functionalization of lactams by sodium hydride: synthesis of 2-cyano-3-iodo piperidines and pyrrolidines