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- W2009243362 abstract "[reaction: see text] L-proline failed to act as an organocatalyst in the homoaldol reaction of ethyl pyruvate; however, it reacted with the ester to give an azomethine ylide that in turn underwent 1,3-dipolar cycloaddition with a second molecule of pyruvate. Direct catalytic homoaldol reaction of ethyl pyruvate was performed using an (S)-(+)-1-(2-pyrrodinylmethyl)pyrrolidine/trifluoroacetic acid combination as organocatalyst. The use of polymer-supported reagents allowed for the lactonization of the aldol and isolation of the isotetronic acid derivative in hydroxy-free form." @default.
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- W2009243362 date "2005-09-17" @default.
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- W2009243362 title "Efficiency in Isotetronic Acid Synthesis via a Diamine−Acid Couple Catalyzed Ethyl Pyruvate Homoaldol Reaction" @default.
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- W2009243362 doi "https://doi.org/10.1021/ol051809p" @default.
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