Expanding Synthetic Applications of Δ1‐Piperidine‐2‐carboxylate/Δ1‐pyrroline‐2‐carboxylate Reductase from Pseudomonas syringae (DpkAPsyrin). Biocatalytic Asymmetric Synthesis of (S,E)‐2‐hydroxy‐4‐arylbut‐3‐enoic Acid Derivatives | Publicación