Aj. Ashe et Xd. Fang, A synthesis of aromatic five- and six-membered B-N heterocycles via ring closing metathesis, ORG LETT, 2(14), 2000, pp. 2089-2091
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The ring closing metathesis on appropriate vinyl or allyl aminoboranes (1 o
r 2) gives azaboracycloalkenes (3 or 4) which can be converted to azaboroli
des (5) or azaborines (6).