Kinetic resolution of racemic 3-tert-butyl-3,4-dihydro-2H-[1,4]benzoxazine via acylation with chiral acyl chlorides


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A comparative study of the kinetic resolution of racemic 3-tert-butyl-3,4-dihydro-2H-[1,4]-benzoxazine through the acylation by various chiral acyl chlorides was carried out. A preparative method for obtaining enantiomerically pure (S)-3-tert-butyl-3,4-dihydro-2H-[1,4]benzoxazine can be based on the acylation with N-phthaloyl-(S)-phenylalanyl or (R)-2-phenoxypropionyl chlorides, followed by the acid hydrolysis of the corresponding diastereomerically pure amides.

作者简介

S. Vakarov

I. Ya. Postovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences

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Email: savakarov@ios.uran.ru
俄罗斯联邦, 22/20 ul. S. Kovalevskoi, Ekaterinburg, 620990

D. Gruzdev

I. Ya. Postovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences; Ural Federal University named after the first President of Russia B. N. Yeltsin

Email: savakarov@ios.uran.ru
俄罗斯联邦, 22/20 ul. S. Kovalevskoi, Ekaterinburg, 620990; 19 ul. Mira, Ekaterinburg, 620002

E. Chulakov

I. Ya. Postovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences

Email: savakarov@ios.uran.ru
俄罗斯联邦, 22/20 ul. S. Kovalevskoi, Ekaterinburg, 620990

G. Levit

I. Ya. Postovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences; Ural Federal University named after the first President of Russia B. N. Yeltsin

Email: savakarov@ios.uran.ru
俄罗斯联邦, 22/20 ul. S. Kovalevskoi, Ekaterinburg, 620990; 19 ul. Mira, Ekaterinburg, 620002

V. Krasnov

I. Ya. Postovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences

Email: savakarov@ios.uran.ru
俄罗斯联邦, 22/20 ul. S. Kovalevskoi, Ekaterinburg, 620990

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