ChemInform Abstract: Unexpected Stereoselective Synthesis of (Z)‐β‐Alkenyl Substituted β‐Amino Phosphonates Through β, γ‐Dihydrogen Shift Reaction Catalyzed by a Copper(I) Complex and Iodine [Cu(MeCN)4]PF6/I2. Issue 33 (19th August 2014)