ChemInform Abstract: Stereo‐, Regio‐, and Chemoselective [3 + 2]‐Cycloaddition of (2E, 4E)‐Ethyl 5‐(Phenylsulfonyl)penta‐2, 4‐dienoate with Various Azomethine Ylides, Nitrones, and Nitrile Oxides: Synthesis of Pyrrolidine, Isoxazolidine, and Isoxazoline Derivatives and a Computational Study. Issue 31 (14th July 2016)