β‐Carbethoxy‐γ,γ‐Diphenylvinylacetic Acid

β-carbethoxy-γ,γ-diphenylvinylacetic acid solvent: petroleum ether product: β-Carbethoxy-γ,γ-diphenylvinylacetic acid Keywords: condensation, carbonyl-active methylene condensations; tert-butyl alcohol; nitrogen, drying of; potassium metal, safe handling of; potassium tert-butoxide in tert-butyl alcohol; potassium; potassium, disposal; apparatus, for evacuating and introducing nitrogen into reaction vessels