Synthesis of Enantiomerically Pure Dissymmetric 2, 2'??Disubstituted9, 9'??Spirobifluorenes

…, T Piehler, D Haase, W Saak, A Lützen

文献索引：Thiemann, Frank; Piehler, Torsten; Haase, Detlev; Saak, Wolfgang; Luetzen, Arne European Journal of Organic Chemistry, 2005 , # 10 p. 1991 - 2001

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被引用次数: 20

摘要

Abstract Racemic dissymmetric 2, 2'-dihydroxy-9, 9'-spirobifluorene was prepared and resolved by clathrate formation with (R, R)-(+)-2, 3-dimethoxy-N, N, N', N'- tetracyclohexylsuccindiamide, giving rise to both enantiomers in very good yields. The ...