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200517.fm Page 188 Friday, March 18, 2005 2:52 PM
2005
Oxazine derivatives
R 0595
Aqueous Medium Radical Addition to Ketimines with a Phenolic Hydroxyl
— Addition of alkyl radicals to ketimines (Id) and (VI) bearing a hydroxy
17- 169 Group.
group in β-position to the imine nitrogen is successfully performed using Et3B or Zn as
radical initiators. The reaction represents a novel method to construct all-substituted
sp3-hybridized carbon centers. — (MIYABE, H.; YAMAOKA, Y.; TAKEMOTO*, Y.;
Synlett 2004, 14, 2597-2599; Grad. Sch. Pharm. Sci., Kyoto Univ., Sakyo, Kyoto 606,
Japan; Eng.) — Klein
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