Functional polymers. 1. Poly(cinchona alkaloid-co-acrylonitrile)s. New polymer catalysts for asymmetric synthesis
Functional polymers. 1. Poly(cinchona alkaloid-co-acrylonitrile)s. New polymer catalysts for asymmetric synthesis
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功能性聚合物。
DOI:
10.1021/ja00490a053
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发表时间:
1978
影响因子:
15
通讯作者:
K. Iwai
中科院分区:
文献类型:
--
作者:
N. Kobayashi;K. Iwai
(16) The CSA salt of 5b (mp 178-179 C,[a] D+ 24.16 (c 2, MeOH)), obtained in 66% recovery by addition of 0.5 equiv of CSA to a CH3CN solution of 5a followed by one recrystalllzatlon from CFI3CN-MeOFI, was of sufficient optical purity for the ensuing transformations.(17) E. J. Corey and K. Achiva, J. Am. Chem. Soc., 91, 1429-1432 (1969).(18) E. W. Colvin, T. A. Purcell, and R. A, Raphael, J. Chem. Soc., Perkin Trans. 1, 1718-1722 (1976).