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Synthesis of stereoregular poly[(2S,3S)-benzyl β-3-methylmalate]
- Source :
- Macromolecular Rapid Communications. 17:209-216
- Publication Year :
- 1996
- Publisher :
- Wiley, 1996.
-
Abstract
- The asymmetric lactone (3 S, 4 R)-3-methyl-4-benzyloxycarbonyl-2-oxetanone (6) was anionically polymerized to give an insoluble, crystalline, highly isotactic polymer with (2 S, 3 S)-benzyl β-3-methylmalate repeating units. Solubility was achieved by copolymerization of 6 with the recemic (R, S)-butyl malolactonate (7). The semicrystalline copolymer was characterized (Mn = 107 000, Tg = 29,6°C, Tm = 161°C, [α] = 1,5 deg · dm−1 · g−1 · cm3) and its stereosequence investigated by 13C NMR.
Details
- ISSN :
- 15213927 and 10221336
- Volume :
- 17
- Database :
- OpenAIRE
- Journal :
- Macromolecular Rapid Communications
- Accession number :
- edsair.doi...........5b2726d2b1e46cff3e7d252087b9eb67