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Attempted Preparation of 1Ethyl2
Preparation of Diphenylchloroacetic
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2,2-Diphenyl-3-keto-li-methylmorpholine 3-necked flask equipped absolute ethanol absolute ether amino acid Anal analgesic Attempted Preparation bensilic acid benzene brown oil brown solution Calcd Chem collected and dried compound condenser crystalline solid separated Cut Pressure Temperature cyclization dioxane Diphenylbromoacetic Diphenylbromoacetonitriles diphenylbronoacetic acid dropping funnel drugs dry benzene ethylene oxide filtered filtrate flask was placed free amine gave a negative glacial acetic acid hydrochloride hydrogen bromide hydrogen bromide gas hydrogen chloride hydrogen chloride gas methylamine methylaminodiphenylacetic acid minutes mixed melting point mixture was refluxed mole negative test one-liter phosphorus phosphorus oxychloride precipitated reacted reaction mixture recrystallized Residue round-bottom flask round-bottom flask fitted sample was recrystallized saturated set overnight sodium hydroxide solid dissolved solid was collected solu solution was cooled solution was refluxed starting material sulfuric acid test for halogen test for nitrogen thionyl chloride tion tube white crystalline solid white solid separated yellow liquid yellow solid