Question: Thiourea (H2NCNH2) reacts with diethyl malonate and its alkyl derivatives in the same way that urea does. Give the structure of the product obtained when

Thiourea (H2NCNH2) reacts with diethyl malonate and its alkyl derivatives in the same way that urea does. Give the structure of the product obtained when thiourea is used instead of urea in the synthesis of pentobarbital. The anesthetic thiopental (Pentothal) sodium is the sodium salt of this product. What is the structure of this compound?

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