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Volumn 46, Issue 31, 2007, Pages 5885-5888

Enantioselective synthesis of complementary double-helical molecules that catalyze asymmetric reactions

Author keywords

Amidines; Asymmetric synthesis; Helical structures; Platinum; Salt bridges

Indexed keywords

CATALYST ACTIVITY; LIGANDS; NITROGEN COMPOUNDS; SYNTHESIS (CHEMICAL);

EID: 34547800774     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200701735     Document Type: Article
Times cited : (112)

References (37)
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    • See the Supporting Information for details of the synthesis, structures, characterization of compounds (R, and (S)1, 2, 1·2, and, and, )-3, and the procedure for the asymmetric cyclopropanation
    • See the Supporting Information for details of the synthesis, structures, characterization of compounds (R)- and (S)1, 2, 1·2, and (+)- and (-)-3, and the procedure for the asymmetric cyclopropanation.
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    • We cannot exclude the possibility that the conversion rate of 1a·2 from one twist sense to another may be reduced at low temperatures. If this is the case, the helix-sense excess values (Table 1) were overestimated
    • We cannot exclude the possibility that the conversion rate of 1a·2 from one twist sense to another may be reduced at low temperatures. If this is the case, the helix-sense excess values (Table 1) were overestimated.
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    • We attempted to separate enantiomers of (+)- and (-)-3a by using chiral HPLC to determine their helix-sense excess (enantiomeric excess), but it was found to be difficult.
    • We attempted to separate enantiomers of (+)- and (-)-3a by using chiral HPLC to determine their helix-sense excess (enantiomeric excess), but it was found to be difficult.
  • 35
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    • For the stereoselective synthesis of helicates involving an optical-resolution step, see: d
    • For the stereoselective synthesis of helicates involving an optical-resolution step, see: d) N. C. Fletcher, R. T. Brown, A. P. Doherty, Inorg. Chem. 2006, 45, 6132-6134.
    • (2006) Inorg. Chem , vol.45 , pp. 6132-6134
    • Fletcher, N.C.1    Brown, R.T.2    Doherty, A.P.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.