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One-pot asymmetric autocatalytic reaction with remarkable amplification of enantiomeric excess

✍ Scribed by Takanori Shibata; Tadakatsu Hayase; Jun Yamamoto; Kenso Soai


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
157 KB
Volume
8
Category
Article
ISSN
0957-4166

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✦ Synopsis


A trace amount (ca. 3 mg) of 2-methylpyrimidyl alkanol with only a slight enantiomeric excess (0.2-0.3% e.e.) was auto-multiplied with dramatic amplification of enantiomeric excess (up to ca. 90% e.e.) in one-pot asymmetric autocatalytic reaction using diisopropylzinc and 2-methylpyrimidine-5-carbaldehyde.


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✍ Itaru Sato; Daisuke Omiya; Hiroyoshi Igarashi; Keiichi Kato; Yoshihiro Ogi; Koic πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 English βš– 174 KB

Experimental and kinetic analysis of asymmetric autocatalysis with amplification of ee in the enantioselective addition of diisopropylzinc to 2-alkynylpyrimidine-5-carbaldehyde using chiral 2-alkynyl-5-pyrimidyl alkanol with low ee's are described.