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Volumn 52, Issue 1, 1996, Pages 85-98

Asymmetric catalysis of carbonyl-ene and aldol reactions with fluoral by chiral binaphthol-derived titanium complex

Author keywords

[No Author keywords available]

Indexed keywords

KETONE; ORGANOFLUORINE DERIVATIVE;

EID: 0029656027     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4020(95)00862-3     Document Type: Article
Times cited : (88)

References (56)
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    • (1983) The Chemistry of Halides, Pseudohalides and Azides , Issue.SUPPL. D , pp. 603-655
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  • 22
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    • Most recently asymmetric catalytic aldol reactions with fluorinated aromatic aldehydes and ketones were reported: Soloshonok, V. A.; Hayashi, T. Tetrahedron Lett. 1994, 35, 2713.
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    • Soloshonok, V.A.1    Hayashi, T.2
  • 36
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    • For the Mukaiyama aldol reactions of a variety of aldehydes: (k) Mikami, K.; Matsukawa, S. J. Am. Chem. Soc. 1993, 115, 7039.
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    • Mikami, K.1    Matsukawa, S.2
  • 39
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    • Diastereofacial selective aldol reactions with fluorinated carbonyl compounds: (a) Iseki, K.; Oishi, S.; Kobayashi, Y. Chem. Lett. 1994, 1135.
    • (1994) Chem. Lett. , pp. 1135
    • Iseki, K.1    Oishi, S.2    Kobayashi, Y.3
  • 42
    • 0043118358 scopus 로고
    • Stereoelectronic Rules in Addition Reactions: "Cram's Rule" in Olefinic Systems
    • Coxon, J. M., Ed.; JAI Press: Connecticut, U. S. A.
    • We carried out molecular orbital calculations on the protonated aldehydes as a model for 2/ Lewis acid complexes. In the transition states, one of the halogen substituents on the α carbon of aldehydes is most likely to occupy the antiperiplanar region relative to the attacking reagent; Mikami, K.; Shimizu, M. 'Stereoelectronic Rules in Addition Reactions: "Cram's Rule" in Olefinic Systems' in Advances in Detailed Reaction Mechanisms; Coxon, J. M., Ed.; JAI Press: Connecticut, U. S. A. Vol. 3, 1993.
    • (1993) Advances in Detailed Reaction Mechanisms , vol.3
    • Mikami, K.1    Shimizu, M.2
  • 43
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    • (1986) Science , vol.231 , pp. 1108
    • Houk, K.N.1
  • 44
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    • (a) An ab-initio MO study on α-fluoro propanal in support of the Felkin-Anh model: Wong, S. S.; Paddonrow, M. N. Chem. Commun. 1990, 456.
    • (1990) Chem. Commun. , pp. 456
    • Wong, S.S.1    Paddonrow, M.N.2
  • 46
    • 36148995600 scopus 로고
    • MNDO and PM3 atomic charges were evaluated from the positive core charges and the numbers of valence electrons. The natural bond orbital (NBO) analysis, instead of conventional Mulliken population analysis, was used for evaluating atomic charges in the ab-initio calculations: Reed, A. E.; Weinstock, R. B.; Weinhold, F. J. Chem. Phys. 1985, 83, 735.
    • (1985) J. Chem. Phys. , vol.83 , pp. 735
    • Reed, A.E.1    Weinstock, R.B.2    Weinhold, F.3
  • 47
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    • note
    • The reduced carbonyl C-O bond polarity for fluoral might be rationalized by electron withdrawal from oxygen by fluorine substituents. Also see ref. 12b.
  • 48
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    • note
    • Only small amounts of allylic alcohols were obtained.
  • 49
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    • Morrison, J. D., Ed.; Academic Press: New York, Chapter 2
    • (a) Heathcock, C. H. In Asymmetric Synthesis; Morrison, J. D., Ed.; Academic Press: New York, 1984, Vol. 3; Chapter 2.
    • (1984) Asymmetric Synthesis , vol.3
    • Heathcock, C.H.1
  • 54
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    • Ab initio MO calculations reveal that bidentate transition structures for the reactions of 2-fluoropropanal or monofluoroacetaldehyde, however, with lithium hydride are stabilized by the electrostatic attraction between Li and F: Wong, S. S.; Paddon-Row, M. N. J. Chem. Soc. Chem. Commun. 1991, 327.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.