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摘要
An improved synthesis of homochiral 1-[alpha-(1-azacycloalkyl)benzyl]-2-naphthols and 1-[alpha-(2-arylpiperidyl)benzyl]-2-naphthols has been achieved by employing diastereomerically pure alpha-benzotriazolyl 1-azacycloalka[2,1-b][1,3]oxazines as homochiral precursors, which were obtained by condensation between nonracemic Betti base and dialdehydes in the presence of benzotriazole.
- 出版日期2004-2-9
- 单位清华大学
