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Volumn 61, Issue 8, 1996, Pages 2908-2910

A convenient method for the preparation of (Z)-αβ-unsaturated carbonyl compounds

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EID: 0001031980     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (123)

References (30)
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    • (b) Boyd, G. V. In The Chemistry of Enones; John Wiley & Sons: New York, 1989; Pt. 1, p 281.
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    • Boyd, G.V.1
  • 3
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    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1973) J. Am. Chem. Soc. , vol.95 , pp. 6137
    • Sharpless, K.B.1    Lauer, R.F.2    Teranishi, A.Y.3
  • 4
    • 0002627233 scopus 로고
    • John Wiley & Sons: New York
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1993) Organic Reactions , vol.44 , pp. 1
    • Reich, H.J.1    Wollowitz, S.2
  • 5
    • 84917808248 scopus 로고
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1080) Synth. Commun. , vol.10 , pp. 667
    • Hooz, J.1    Oudenes, J.2
  • 6
    • 0001343761 scopus 로고
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1973) J. Am. Chem. Soc. , vol.95 , pp. 6840
    • Trost, B.M.1    Salzmann, T.N.2
  • 7
    • 33847799030 scopus 로고
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1976) J. Am. Chem. Soc. , vol.98 , pp. 4887
    • Trost, B.M.1    Salzmann, T.N.2    Hiroi, K.3
  • 8
    • 0029074907 scopus 로고
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1995) Tetrahedron Lett , vol.36 , pp. 7051
    • Resek, J.E.1    Meyers, A.L.2
  • 9
    • 0001848341 scopus 로고
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1989) Chem. Rev. , vol.89 , pp. 863
    • Maryanoff, B.E.1    Reitz, A.B.2
  • 10
    • 5844263480 scopus 로고    scopus 로고
    • The Horner-Wadsworth-Emmons reaction (review article): see ref 2a
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
  • 11
    • 0000291427 scopus 로고
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1991) J. Org. Chem. , vol.56 , pp. 4320
    • Urata, H.1    Maekawa, H.2    Shigeharu, T.3    Fuchikami, T.4
  • 12
    • 5844263479 scopus 로고
    • For some general routes to αβ-unsaturated esters and ketones, see: (a) Addition/elimination reactions with selemum derivatives: (i) Sharpless, K. B.; Lauer, R. F.; Teranishi, A. Y. J. Am. Chem. Soc. 1973, 95, 6137. (ii) Reich, H. J.; Wollowitz, S. In Organic Reactions, John Wiley & Sons: New York, 1993; Vol 44, p 1. (iii) Hooz, J.; Oudenes, J. Synth. Commun. 1080,10, 667. (b) Addition/elimination reactions with sulfur derivatives: (i) Trost, B. M.; Salzmann, T. N. J. Am. Chem. Soc. 1973, 95, 6840. (ii) Trost, B. M.; Salzmann, T. N.; Hiroi, K. J. Am. Chem. Soc. 1976,98. 4887. (iii) Resek, J. E.; Meyers, A. L. Tetrahedron Lett, 1995, 36, 7051. (c) Condensation reactions with stabilized phosphonium ylides (review article,): Maryanoff, B. E., Reitz, A. B. Chem. Rev. 1989, 89, 863. (d) The Horner-Wadsworth-Emmons reaction (review article): see ref 2a. (e) Carbonylations of vmylic halides: Urata, H.; Maekawa, H.; Shigeharu. T.; Fuchikami, T. J. Org. Chem. 1991, 56, 4320. (f) Carbonylations of vinylmercurials: Larock, R. C.; Narayanan, K. J. Org. Chem. 1984, 49, 3411.
    • (1984) J. Org. Chem. , vol.49 , pp. 3411
    • Larock, R.C.1    Narayanan, K.2
  • 13
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    • For (Z)-stereoselective syntheses of α,β-unsaturated esters: (a) With bis(trifluoroethyl)phosphonoesters: Still, W. C.; Gennari, C. Tetrahedron Lett. 1983, 24, 4405. (b) With trimethylphosphonium-propionates: Schmid, G.; Fukuyama, T.; Akasaka, K.; Kishi, Y. J. Am. Chem. Soc. 1979,101, 260. (c) With bis(phenyl) phosphonoesters: Ando, K. Tetrahedron Lett. 1995, 36, 4105. For (Z)-stereoselective syntheses of α,β-unsaturated ketones with stabilized ylides: (d) Pietrusiewicz, K. M.; Monkiewicz, J. Tetrahedron Lett. 1986, 27, 739. (e) Moorhoff, C. M.; Schneider. D. F. Tetrahedron Lett. 1987.28, 4721. (f) McKenna, E. G.; Walker, B. J. J. Chem. Soc., Chem. Commun. 1989, 568.
    • (1983) Tetrahedron Lett. , vol.24 , pp. 4405
    • Still, W.C.1    Gennari, C.2
  • 14
    • 0018354285 scopus 로고
    • For (Z)-stereoselective syntheses of α,β-unsaturated esters: (a) With bis(trifluoroethyl)phosphonoesters: Still, W. C.; Gennari, C. Tetrahedron Lett. 1983, 24, 4405. (b) With trimethylphosphonium-propionates: Schmid, G.; Fukuyama, T.; Akasaka, K.; Kishi, Y. J. Am. Chem. Soc. 1979,101, 260. (c) With bis(phenyl) phosphonoesters: Ando, K. Tetrahedron Lett. 1995, 36, 4105. For (Z)-stereoselective syntheses of α,β-unsaturated ketones with stabilized ylides: (d) Pietrusiewicz, K. M.; Monkiewicz, J. Tetrahedron Lett. 1986, 27, 739. (e) Moorhoff, C. M.; Schneider. D. F. Tetrahedron Lett. 1987.28, 4721. (f) McKenna, E. G.; Walker, B. J. J. Chem. Soc., Chem. Commun. 1989, 568.
    • (1979) J. Am. Chem. Soc. , vol.101 , pp. 260
    • Schmid, G.1    Fukuyama, T.2    Akasaka, K.3    Kishi, Y.4
  • 15
    • 0029052069 scopus 로고
    • For (Z)-stereoselective syntheses of α,β-unsaturated esters: (a) With bis(trifluoroethyl)phosphonoesters: Still, W. C.; Gennari, C. Tetrahedron Lett. 1983, 24, 4405. (b) With trimethylphosphonium-propionates: Schmid, G.; Fukuyama, T.; Akasaka, K.; Kishi, Y. J. Am. Chem. Soc. 1979,101, 260. (c) With bis(phenyl) phosphonoesters: Ando, K. Tetrahedron Lett. 1995, 36, 4105. For (Z)-stereoselective syntheses of α,β-unsaturated ketones with stabilized ylides: (d) Pietrusiewicz, K. M.; Monkiewicz, J. Tetrahedron Lett. 1986, 27, 739. (e) Moorhoff, C. M.; Schneider. D. F. Tetrahedron Lett. 1987.28, 4721. (f) McKenna, E. G.; Walker, B. J. J. Chem. Soc., Chem. Commun. 1989, 568.
    • (1995) Tetrahedron Lett. , vol.36 , pp. 4105
    • Ando, K.1
  • 16
    • 85025762087 scopus 로고
    • For (Z)-stereoselective syntheses of α,β-unsaturated esters: (a) With bis(trifluoroethyl)phosphonoesters: Still, W. C.; Gennari, C. Tetrahedron Lett. 1983, 24, 4405. (b) With trimethylphosphonium-propionates: Schmid, G.; Fukuyama, T.; Akasaka, K.; Kishi, Y. J. Am. Chem. Soc. 1979,101, 260. (c) With bis(phenyl) phosphonoesters: Ando, K. Tetrahedron Lett. 1995, 36, 4105. For (Z)-stereoselective syntheses of α,β-unsaturated ketones with stabilized ylides: (d) Pietrusiewicz, K. M.; Monkiewicz, J. Tetrahedron Lett. 1986, 27, 739. (e) Moorhoff, C. M.; Schneider. D. F. Tetrahedron Lett. 1987.28, 4721. (f) McKenna, E. G.; Walker, B. J. J. Chem. Soc., Chem. Commun. 1989, 568.
    • (1986) Tetrahedron Lett. , vol.27 , pp. 739
    • Pietrusiewicz, K.M.1    Monkiewicz, J.2
  • 17
    • 0000432764 scopus 로고
    • For (Z)-stereoselective syntheses of α,β-unsaturated esters: (a) With bis(trifluoroethyl)phosphonoesters: Still, W. C.; Gennari, C. Tetrahedron Lett. 1983, 24, 4405. (b) With trimethylphosphonium-propionates: Schmid, G.; Fukuyama, T.; Akasaka, K.; Kishi, Y. J. Am. Chem. Soc. 1979,101, 260. (c) With bis(phenyl) phosphonoesters: Ando, K. Tetrahedron Lett. 1995, 36, 4105. For (Z)-stereoselective syntheses of α,β-unsaturated ketones with stabilized ylides: (d) Pietrusiewicz, K. M.; Monkiewicz, J. Tetrahedron Lett. 1986, 27, 739. (e) Moorhoff, C. M.; Schneider. D. F. Tetrahedron Lett. 1987.28, 4721. (f) McKenna, E. G.; Walker, B. J. J. Chem. Soc., Chem. Commun. 1989, 568.
    • (1987) Tetrahedron Lett. , vol.28 , pp. 4721
    • Moorhoff, C.M.1    Schneider, D.F.2
  • 18
    • 37049068279 scopus 로고
    • For (Z)-stereoselective syntheses of α,β-unsaturated esters: (a) With bis(trifluoroethyl)phosphonoesters: Still, W. C.; Gennari, C. Tetrahedron Lett. 1983, 24, 4405. (b) With trimethylphosphonium-propionates: Schmid, G.; Fukuyama, T.; Akasaka, K.; Kishi, Y. J. Am. Chem. Soc. 1979,101, 260. (c) With bis(phenyl) phosphonoesters: Ando, K. Tetrahedron Lett. 1995, 36, 4105. For (Z)-stereoselective syntheses of α,β-unsaturated ketones with stabilized ylides: (d) Pietrusiewicz, K. M.; Monkiewicz, J. Tetrahedron Lett. 1986, 27, 739. (e) Moorhoff, C. M.; Schneider. D. F. Tetrahedron Lett. 1987.28, 4721. (f) McKenna, E. G.; Walker, B. J. J. Chem. Soc., Chem. Commun. 1989, 568.
    • (1989) J. Chem. Soc., Chem. Commun. , pp. 568
    • McKenna, E.G.1    Walker, B.J.2
  • 20
    • 0000768901 scopus 로고
    • β-Hydride elimination has been shown to be competetive with rhodium-catalyzed 1,5-insertion reactions: (a) Taber, D. F.: Hennessy, M. J.; Louey, J. P. J. Org. Chem. 1992, 57, 436. (b) Hennessy, M. J. Ph.D. Dissertation, The University of Delaware, 1989. (c) Galeazzi, E.; Guzman, A.; Pinedo, A.; Saldana, A.; Torre, D.; Muchowski, J. M. Can. J Chem. 1983, 67, 454.
    • (1992) J. Org. Chem. , vol.57 , pp. 436
    • Taber, D.F.1    Hennessy, M.J.2    Louey, J.P.3
  • 21
    • 0000768901 scopus 로고
    • Ph.D. Dissertation, The University of Delaware
    • β-Hydride elimination has been shown to be competetive with rhodium-catalyzed 1,5-insertion reactions: (a) Taber, D. F.: Hennessy, M. J.; Louey, J. P. J. Org. Chem. 1992, 57, 436. (b) Hennessy, M. J. Ph.D. Dissertation, The University of Delaware, 1989. (c) Galeazzi, E.; Guzman, A.; Pinedo, A.; Saldana, A.; Torre, D.; Muchowski, J. M. Can. J Chem. 1983, 67, 454.
    • (1989)
    • Hennessy, M.J.1
  • 22
    • 0000768901 scopus 로고
    • β-Hydride elimination has been shown to be competetive with rhodium-catalyzed 1,5-insertion reactions: (a) Taber, D. F.: Hennessy, M. J.; Louey, J. P. J. Org. Chem. 1992, 57, 436. (b) Hennessy, M. J. Ph.D. Dissertation, The University of Delaware, 1989. (c) Galeazzi, E.; Guzman, A.; Pinedo, A.; Saldana, A.; Torre, D.; Muchowski, J. M. Can. J Chem. 1983, 67, 454.
    • (1983) Can. J Chem. , vol.67 , pp. 454
    • Galeazzi, E.1    Guzman, A.2    Pinedo, A.3    Saldana, A.4    Torre, D.5    Muchowski, J.M.6
  • 28
    • 5844244692 scopus 로고    scopus 로고
    • note
    • However, subjection of the α-diazo ester i to the same conditions resulted in exclusive C-C insertion product ii. equation presented
  • 29
    • 5844299886 scopus 로고    scopus 로고
    • note
    • 13C NMR spectroscopy, showing no trace of the (E)-isomer in the crude product mixture before chromatography. Early reactions run at higher temperatures showed significant contamination by the (E)-isomer.
  • 30
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    • For a summary of general experimental procedures see: Taber, D. F.; Houze, J. B. J. Org. Chem. 1994, 59. 4004.
    • (1994) J. Org. Chem. , vol.59 , pp. 4004
    • Taber, D.F.1    Houze, J.B.2


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