## Abstract The anionic bulk polymerization of optically active (2__R__, 3__S__)β3,4βepoxyβ1,2β__O__βisopropylidenebutaneβ1,2βdiol (1) and its (2 __S__, 3 __S__) diastereomer 2 was studied. Molecular weights and optical activity measurements as well as carbon and proton NMR spectra are reported. Th
Polymerization of oxiranes by polymeric organoantimony oxides
β Scribed by Ryoki Nomura; Yasunori Wada; Haruo Matsuda
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 521 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0887-624X
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The mechanism of stereoregulation in polymerization reaction is discussed in terms of the two model cases: (i) the growing chain control mechanism, and (ii) catalyst control mechanism. These two mechanisms were observed to be operated in the stereoselective polymerizations of methyloxirane and of te
## Abstract We prepared triphenylamine (TPA)βcontaining polymers by a direct oxidativeβcoupling method, which showed high thermostability, good solubility, high quantum efficiency, and blue light emission. The polymers are characterized by Fourier transform infrared spectroscopy, ^1^HβNMR, ultravio