?url_ver=Z39.88-2004&rft_id=10.1021%2Fol035214a&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Werner%2C+S&rft.aulast=Werner&rft.aufirst=S&rft.issue=18&rft.volume=5&rft.date=4+September+2003&rft.issn=1523-7060&rft.atitle=Fluorous+dienophiles+are+powerful+diene+scavengers+in+diels-alder+reactions&rft.title=Organic+Letters&rft.pages=3293+-+3296&rft.genre=article