When the diethyl ester of a substituted malonic acid is treated with sodium ethoxide and urea, Veronal,

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When the diethyl ester of a substituted malonic acid is treated with sodium ethoxide and urea, Veronal, a barbiturate, is formed (see Fig. P22.84). (Barbiturates are hypnotic drugs; some are actively used in modern anes-thesia.) Using the curved-arrow notation, give a mechanism for the Veronal synthesis.O Et O _i_ || HN-CNH, + EtOCCCOEt Hi urea Et Figure P22.84 NaOEt EtOH HO+ Et Et IZ H NH Veronal (barbital) (a

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Organic Chemistry

ISBN: 9781936221349

6th Edition

Authors: Marc Loudon, Jim Parise

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