?url_ver=Z39.88-2004&rft_id=10.1021%2Fol300851m&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Merling%2C+E&rft.aulast=Merling&rft.aufirst=E&rft.issue=11&rft.volume=14&rft.date=1+June+2012&rft.issn=1523-7060&rft.atitle=%5B3%2B2%5D-Dipolar+cycloaddition+reactions+of+an+N-heterocyclic+carbene+boryl+azide&rft.title=Organic+Letters&rft.pages=2690+-+2693&rft.genre=article