ChemInform Abstract: Accessing 2‐(Hetero)arylmethyl‐, ‐allyl‐, and ‐propargyl‐2, 1‐borazaronaphthalenes: Palladium‐Catalyzed Cross‐Couplings of 2‐(Chloromethyl)‐2, 1‐borazaronaphthalenes. Issue 19 (May 2015)