Oxazine Derivatives as Analgesics |
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Contents
Attempted Preparation of 1Ethyl2 | 2 |
28 | 7 |
Attempted Preparation of Diphenylchloro | 12 |
3 other sections not shown
Common terms and phrases
3-necked flask absolute ethanol absolute ether acid activity added addition alcohol allowed amino acid amount Anal analgesic anhydrous approach Attempted Preparation basic bath bensilic acid benzyl boiling brown carbon tetrachloride Chem chloride compound concentrated condenser cooled crude Derivatives dilute diphenylbromoacetic acid diphenylchloroacetate dissolved distilled dried dropping drugs ether ethyl ethylene oxide evaporated extracted failed filtered filtrate formed Found gave a negative give glacial acetic acid heated hydrobromide hydrochloride hydrogen bromide hydrogen chloride hydroxide leaving liquid melting point method methylamine methylaminodiphenylacetic acid minutes mixed mole morphine natural nole obtained organic placed poured precipitated Preparation reaction mixture refluxed removed reported residual round-bottom flask fitted salt saturated sealed sodium solid separated solid was collected solution stirrer synthetic test for halogen tion treated tube weight white crystalline solid white solid yellow liquid yield