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Active species in the anionic ring-opening polymerization of cyclic carbonates

✍ Scribed by Kühling, Steffen ;Keul, Helmut ;Höcker, Hartwig

Publisher
Wiley (John Wiley & Sons)
Year
1989
Weight
220 KB
Volume
15
Category
Article
ISSN
0025-116X

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A novel observation in anionic ring-open
A novel observation in anionic ring-opening polymerization behavior of cyclic carbonates having aromatic substituents
✍ Jyuhou Matsuo; Fumio Sanda; Takeshi Endo 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 581 KB

The anionic ring-opening polymerization of six-membered cyclic carbonates having aromatic substituents, 5-methyl-5-phenyl-l,3-dioxan-2-one (1) and 5,5-diphenyl-1,3-dioxan-2-one (2), was carried out. The anionic homopolymerization of 1 readily proceeds to afford the corresponding polycarbonate, while

Ring-opening polymerization of cyclic ca
Ring-opening polymerization of cyclic carbonates by alcohol–acid catalyst
✍ Jyuhou Matsuo; Shinji Nakano; Fumio Sanda; Takeshi Endo 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 180 KB 👁 2 views

Ring-opening reactions of 1,3-dioxepan-2-one (1) and 1,3-dioxan-2-one (2) with several alcohols were examined. The reactions proceeded without trifluoroacetic acid (TFA) in low conversions, while they proceeded smoothly with TFA to afford the ring-opened adducts and oligomers. Ring-opening polymeriz