A versatile and practical synthesis of α-trifluoromethylated alcohols from trifluoroacetaldehyde ethyl hemiacetal in water

Chemical Communications

Volumn , Issue 16, 1996, Pages 1929-1930

  Loh, Teck Peng ^a   Li, Xu Ran ^a  

^a NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0002600063     PISSN: 13597345     EISSN: None     Source Type: Journal    
DOI: 10.1039/CC9960001929     Document Type: Article

References (29)

1. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
2. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
3. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
4. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
5. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
6. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
7. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
8. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
9. T. Kitazume and T. Tamazaki, J. Synth. Org. Chem. Jpn., 1987, 45, 888; K. Mikami, T. Yajima, T. Takasaki, S. Matsukawa, M. Terada, T. Uchimaru and M Maruta, Tetrahedron, 1996, 52, 85 and references cited therein; Biomedical Aspects of Fluorine Chemistry, ed. R. Filler and Y. Kobayashi, Kodansha Ltd., Tokyo, 1982; Preparation, Properties and Industrial Applications of Organofluorine Compounds, ed. R. E. Banks, Ellis Horwood, Chichester, 1982; M. Hudlicky, Chemistry of Organic Fluorine Compounds, Ellis Horwood, Chichester, 2nd edn., R. D. Chambers, Fluorine in Organic Chemistry, Wiley-Interscience, New York, NY, 1973; J. T. Welch and S. Eswarakrishnan, Fluorine in Bioorganic Chemistry, Wiley, New York, NY, 1990; Synthesis and Reactivity of Fluorocompounds, ed. N. I. Ishikawa, CMC, Tokyo, 1987, vol. 3; G. Resnati, Tetrahedron, 1993, 49, 9385.
10. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
11. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
12. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
13. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
14. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
15. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
16. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
17. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
18. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
19. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
20. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
21. T. Kitazume, J. T. Lin and T. Yamazaki, Tetrahedron: Asymmetry, 1991, 2, 235; C. Scolastico, E. Conca, L. Prati, G. Guanti, L. Banfi, A. Berti, P. Farina and V. Valcavi, Synthesis, 1985, 850; T. Konno, T. Yamazaki and T. Kitazume, Tetrahedron, 1996, 52, 1, 199; T. Nagai and I. Kumadaki, J. Synth. Org. Chem. Jpn., 1991, 49, 624; V. A. Soloshonok, A. D. Kacharov and T. Hayashi, Tetrahedron, 1996, 52, 1 and 245 and references cited therein; P. Bravo and Resnati, G. Tetrahedron: Asymmetry, 1990, 1, 661 and references cited therein; K. Iseki, T. Nagai and Y. Kobayashi, Tetrahedron Lett., 1994, 35, 3137; E. J. Corey, J. O. Link and R. K. Bakshi, Tetrahedron Lett., 1992, 33, 7107; R. W. Lang, Helv. Chim. Acta., 1986, 69, 881; M. Furata, T. Hiyama and K. Kondo, Tetrahedron Lett., 1986, 27, 2139; M. Fujita and T. Hiyama, Tetrahedron Lett., 1986, 27, 3655; M. A. McClinton and D. A. McClinton, Tetrahedron, 1992, 48, 6555.
22. The use of trifluoroacetaldehyde ethyl hemiacetal in organic synthesis has been reported: T. Kubota, H. Iijima, H. Shirakura and T. Tanaka, Abstracts of papers, the 59th Annual Meeting of the Chemical Society of Japan, Tokyo, March 1990, 3D236, 1346; T. Kubota, M. Iijima and T. Tanaka, Tetrahedron Lett., 1992, 33, 1351; A. Guy, A. Lobgeois and F. Lawlore, J. Fluorine Chem., 1986, 32, 361.
23. The use of trifluoroacetaldehyde ethyl hemiacetal in organic synthesis has been reported: T. Kubota, H. Iijima, H. Shirakura and T. Tanaka, Abstracts of papers, the 59th Annual Meeting of the Chemical Society of Japan, Tokyo, March 1990, 3D236, 1346; T. Kubota, M. Iijima and T. Tanaka, Tetrahedron Lett., 1992, 33, 1351; A. Guy, A. Lobgeois and F. Lawlore, J. Fluorine Chem., 1986, 32, 361.
24. The use of trifluoroacetaldehyde ethyl hemiacetal in organic synthesis has been reported: T. Kubota, H. Iijima, H. Shirakura and T. Tanaka, Abstracts of papers, the 59th Annual Meeting of the Chemical Society of Japan, Tokyo, March 1990, 3D236, 1346; T. Kubota, M. Iijima and T. Tanaka, Tetrahedron Lett., 1992, 33, 1351; A. Guy, A. Lobgeois and F. Lawlore, J. Fluorine Chem., 1986, 32, 361.
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