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

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Text this: A simple route to optically pure 2,3-diaminobutane