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Volumn , Issue 6, 2008, Pages 1038-1048

Iminophenol ligands derived from chiral regioisomeric hydroxy[2.2] paracyclophane-carbaldehydes: The influence of the substitution pattern on asymmetric induction

Author keywords

Absolute configuration; Asymmetric catalysis; Cyclophanes; N,O ligands; Optical resolution; Planar chirality

Indexed keywords


EID: 53649097819     PISSN: 1434193X     EISSN: 10990690     Source Type: Journal    
DOI: 10.1002/ejoc.200700823     Document Type: Article
Times cited : (24)

References (23)
  • 21
    • 53649088809 scopus 로고    scopus 로고
    • The results with (Rp,R)-7 are in contradiction to findings reported by S. Bräse, St. Dahmen, S. Höfener, F. Lauterwasser, M. Kreis, R. E. Tiegert, Synlett 2004, 2647-2669 in a review article. Whereas in our hands iminophenol (Rp,R)-7 leads to S-configured 1-phenylpropanol (with 16% ee, and the diastereomer (Rp,S)-7 provides the S-configuration also (at 55% ee, Bräse and co-workers report that it is the (Sp,S)-stereoisomer that provides the S-configuration (20% ee, whereas the (Rp,S)-diastereomer leads to the R-configuration (59% ee) of the alcohol. Unfortunately the original samples to resolve this contradiction are no longer available
    • The results with (Rp,R)-7 are in contradiction to findings reported by S. Bräse, St. Dahmen, S. Höfener, F. Lauterwasser, M. Kreis, R. E. Tiegert, Synlett 2004, 2647-2669 in a review article. Whereas in our hands iminophenol (Rp,R)-7 leads to S-configured 1-phenylpropanol (with 16% ee), and the diastereomer (Rp,S)-7 provides the S-configuration also (at 55% ee), Bräse and co-workers report that it is the (Sp,S)-stereoisomer that provides the S-configuration (20% ee), whereas the (Rp,S)-diastereomer leads to the R-configuration (59% ee) of the alcohol. Unfortunately the original samples to resolve this contradiction are no longer available.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.