Abstract
AbstractA complete conversion is obtained in 10 hours by boiling an anhydrous benzene solution of l‐ecgonine methyl ester with benzoyl chloride in the presence of dry sodium carbonate, calcium oxide or a mixture of calcium oxide and hydroxide. In chloroform solution about 20 hours are necessary and in ethereal solution about 40 hours, when a mixture of calcium oxide and hydroxide is used.
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