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US 4,066,709 AGranted
.alpha.-Ethyny benzhydrols
AssigneeRichter Gedeon Vegyeszeti Gyar Rt.
InventorsEdit Toth, Jozsef Torley, Sandor Gorog, Laszlo Szporny, Eva Palosi, Szabolcs Szeberenyi
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Abstract
.alpha.-ethynyl-benzhydrols, namely 2,5-dimethyl-.alpha.-ethynyl and 4-n-butyl-.alpha.-ethynyl benzhydrol, are made by reacting the starting benzophenone with acetylene in a solvent delivering no protons, in the presence of an alkali metal tertiary alcoholate, preferably potassium-ter.-butylate or potassium-tert.-amylate.
Claims2
2,5-dimethyl-.alpha.-ethynyl-benzhydrol.
4-n-butyl-.alpha.-ethynyl-benzhydrol.
Dependencies are inferred from the claim text.