3-ethyl-3-phenylazetidinone-2—I. Synthes
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F.J. Carrière; C. Bui; R. Blottiau; H. Sekiguchi
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Article
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1986
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Elsevier Science
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English
⚖ 512 KB
Synthesis and optical resolution of 3-ethyl-3-phenylazetidinone-2 were improved to obtain (RS)-, (R)-and (S)-monomers having optical purities up to 98%, which could successfully be determined by ~H-NMR 250 MHz using tris[3-(2,2,2-trifluoro-l-hydroxymethylidene)d-camphorato]europium III as a shift re