Synthesis of Itaconic Acid Ester Analogues via Self-Aldol Condensation of Ethyl Pyruvate Catalyzed by Hafnium BEA Zeolites
Lewis acidic zeolites are used to synthesize unsaturated dicarboxylic acid esters via aldol condensation of keto esters. Hafnium-containing BEA (Hf-BEA) zeolites catalyze the condensation of ethyl pyruvate into diethyl 2-methyl-4-oxopent-2-enedioate and diethyl 2-methylene-4-oxopentanedioate (an ita...
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Format: | Article |
Language: | en_US |
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American Chemical Society (ACS)
2017
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Online Access: | http://hdl.handle.net/1721.1/109693 https://orcid.org/0000-0001-9581-4274 https://orcid.org/0000-0002-1874-9840 https://orcid.org/0000-0002-0025-4233 |