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(RS)-, (R)- and (S)-3-benzyl-3-ethyl 2-oxetanone polymerization with chiral and achiral initiators

✍ Scribed by F. J. Carrière; R. Blottiau


Publisher
Springer Netherlands
Year
1992
Tongue
English
Weight
373 KB
Volume
38
Category
Article
ISSN
0022-5215

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3-ethyl-3-phenylazetidinone-2—I. Synthes
✍ F.J. Carrière; C. Bui; R. Blottiau; H. Sekiguchi 📂 Article 📅 1986 🏛 Elsevier Science 🌐 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