Asymmetric induction copolymerization of chiral N-(R-α-methylbenzyl)maleimide with achiral N-(substituted)maleimide
✍ Scribed by Tsutomu Oishi; Kensoh Kagawa; Minoru Fujimoto
- Book ID
- 103358042
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 486 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0032-3861
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📜 SIMILAR VOLUMES
Asymmetric anionic homopolymerizations of achiral N-substituted maleimides (RMI) were performed with lithium 4-alkyl-2,2-dialkyloxazolidinylamide. All obtained polymers were optically active, exhibiting opposite optical rotation to that of a corresponding oxazolidinyl group at the terminal of the ma
Base-catalyzed asymmetric cycloaddition of anthrone with achiral and chiral Nsubstituted maleimides was carried out in the presence of C2-chiral pyrrolidines in almost quantitative yields. Chiral, non-racemic [4+2] adducts up to 61% ee were produced with achiral N-methyl and N-benzylmaleimide using