Synthesis of β-Hydroxypropanoic Acid Der
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Hamdy M. Abdel-Rahman; Mostafa A. Hussein
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Article
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2006
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John Wiley and Sons
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English
⚖ 614 KB
## Abstract A series of new 3‐(substituted) 3‐hydroxy‐propanoic acid ethyl esters **1a–c**, hydrazides **2a–c**, thiosemicarbazides **3a–f**, and semicarbazides **3g**, **3h** has been synthesized. Cyclization of compounds **3a–d** in basic medium yielded 1,2,4‐triazole‐5‐thiones **4a–d**. On the o