Highly Stereoselective Asymmetric Pummerer Reactions That Incorporate Intermolecular and Intramolecular Nonbonded S⊙⊙⊙ O Interactions
…, S Miyamoto, M Miyamoto, H Takeshige…
Index: Nagao, Yoshimitsu; Miyamoto, Satoshi; Miyamoto, Motoyuki; Takeshige, Hiroe; Hayashi, Kazuhiko; Sano, Shigeki; Shiro, Motoo; Yamaguchi, Kentaro; Sei, Yoshihisa Journal of the American Chemical Society, 2006 , vol. 128, # 30 p. 9722 - 9729
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Citation Number: 31
Abstract
New chiral sulfoxides (RS, S)-3,(SS, S)-3,(RS, S)-4, and (SS, S)-4 and known chiral sulfoxides (RS)-5,(RS)-6, and (RS)-7 were synthesized, and the stereochemistry of the new sulfoxides (RS, S)-3 and (RS, S)-4 was determined by X-ray crystallographic analysis. In their crystallographic structures, the intramolecular nonbonded S⊙⊙⊙ O close contacts were recognized. Analyses of several sulfoxide complexes including rac-11 with N, N- ...
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