ChemInform Abstract: Reaction of 3‐Halogeno‐2H‐1‐benzopyran‐2‐ones with Organometallic Compounds. Synthesis of 4‐Alkyl‐2H‐1‐benzopyran‐2‐ones. X‐Ray Molecular Structure of 3‐Bromo‐3,4‐dihydro‐4‐isopropylcoumarin. | Publicación