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Volumn 1996, Issue 10, 1996, Pages 949-965

By Cyclodehydration to Centropolyindanes: Development of a Novel Class of Indane Hydrocarbons with Three-dimensional Molecular Frameworks Using a Classical Synthetic Tool

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EID: 0003057673     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1996-5632     Document Type: Article
Times cited : (42)

References (146)
  • 4
    • 85033754026 scopus 로고    scopus 로고
    • to be published
    • Kuck, D., to be published.
    • Kuck, D.1
  • 5
    • 0001354190 scopus 로고
    • Traynelis, V. J.; Hergenrother, W. L. J. Org. Chem. 1964, 29, 123. Askani, R. In Houben-Weyl, 4th ed., Vol. 5/1b; Müller, E., Ed.; Thieme: Stuttgart, 1972; p 83 ff.
    • (1964) J. Org. Chem. , vol.29 , pp. 123
    • Traynelis, V.J.1    Hergenrother, W.L.2
  • 6
    • 0001354190 scopus 로고
    • Müller, E., Ed.; Thieme: Stuttgart
    • Traynelis, V. J.; Hergenrother, W. L. J. Org. Chem. 1964, 29, 123. Askani, R. In Houben-Weyl, 4th ed., Vol. 5/1b; Müller, E., Ed.; Thieme: Stuttgart, 1972; p 83 ff.
    • (1972) Houben-Weyl, 4th Ed. , vol.1-5 B
    • Askani, R.1
  • 12
    • 0003103719 scopus 로고
    • Chuen, C. C.; Fenton, S. W. J. Org. Chem. 1958, 23, 1538. Mittal, R. S. D.; Sethi, S. C.; Sukh Dev Tetrahedron 1973, 29, 1321.
    • (1958) J. Org. Chem. , vol.23 , pp. 1538
    • Chuen, C.C.1    Fenton, S.W.2
  • 14
    • 0344280143 scopus 로고
    • Truly classical triindane derivatives formed by dehydrative cyclocondensation are truxene and truxene quinone, known by now for more than a century: See, for example, Hausmann, J. Ber. Dtsch. Chem. Ges. 1889, 22, 2022. v. Kostanecki, S.; L. La̧czkowski Ber. Dtsch. Chem. Ges. 1897, 30, 2138. Wislicenus, W. Ber. Dtsch. Chem. Ges. 1898, 31, 2935.
    • (1889) Ber. Dtsch. Chem. Ges. , vol.22 , pp. 2022
    • Hausmann, J.1
  • 15
    • 84910431373 scopus 로고
    • Truly classical triindane derivatives formed by dehydrative cyclocondensation are truxene and truxene quinone, known by now for more than a century: See, for example, Hausmann, J. Ber. Dtsch. Chem. Ges. 1889, 22, 2022. v. Kostanecki, S.; L. La̧czkowski Ber. Dtsch. Chem. Ges. 1897, 30, 2138. Wislicenus, W. Ber. Dtsch. Chem. Ges. 1898, 31, 2935.
    • (1897) Ber. Dtsch. Chem. Ges. , vol.30 , pp. 2138
    • V Kostanecki, S.1    La̧czkowski, L.2
  • 16
    • 84981749698 scopus 로고
    • Truly classical triindane derivatives formed by dehydrative cyclocondensation are truxene and truxene quinone, known by now for more than a century: See, for example, Hausmann, J. Ber. Dtsch. Chem. Ges. 1889, 22, 2022. v. Kostanecki, S.; L. La̧czkowski Ber. Dtsch. Chem. Ges. 1897, 30, 2138. Wislicenus, W. Ber. Dtsch. Chem. Ges. 1898, 31, 2935.
    • (1898) Ber. Dtsch. Chem. Ges. , vol.31 , pp. 2935
    • Wislicenus, W.1
  • 17
    • 0001445951 scopus 로고
    • Diederich, F.; Rubin, Y. Ang. Chem. 1992, 104, 1123; Angew. Chem., Int. Ed. Engl. 1992, 31, 1101, and work cited therein.
    • (1992) Ang. Chem. , vol.104 , pp. 1123
    • Diederich, F.1    Rubin, Y.2
  • 18
    • 33748231383 scopus 로고
    • and work cited therein
    • Diederich, F.; Rubin, Y. Ang. Chem. 1992, 104, 1123; Angew. Chem., Int. Ed. Engl. 1992, 31, 1101, and work cited therein.
    • (1992) Angew. Chem., Int. Ed. Engl. , vol.31 , pp. 1101
  • 20
    • 85021622022 scopus 로고
    • and work cited therein
    • Scott, L. T.; Hashemi, M. M.; Bratcher, M. S. J. Am. Chem. Soc. 1992, 114, 1920, and work cited therein. Abdourazak, A. H.; Sygula, A.; Rabideau, P. W. J. Am. Chem. Soc. 1993, 115, 3010. Borchardt, A.; Fuchicello, A.; Kilvay, K. V.; Baldridge, K. K.; Siegel, J. S. J. Am. Chem. Soc. 1992, 114, 1921.
    • (1992) J. Am. Chem. Soc. , vol.114 , pp. 1920
    • Scott, L.T.1    Hashemi, M.M.2    Bratcher, M.S.3
  • 21
    • 0000136441 scopus 로고
    • Scott, L. T.; Hashemi, M. M.; Bratcher, M. S. J. Am. Chem. Soc. 1992, 114, 1920, and work cited therein. Abdourazak, A. H.; Sygula, A.; Rabideau, P. W. J. Am. Chem. Soc. 1993, 115, 3010. Borchardt, A.; Fuchicello, A.; Kilvay, K. V.; Baldridge, K. K.; Siegel, J. S. J. Am. Chem. Soc. 1992, 114, 1921.
    • (1993) J. Am. Chem. Soc. , vol.115 , pp. 3010
    • Abdourazak, A.H.1    Sygula, A.2    Rabideau, P.W.3
  • 22
    • 84948355775 scopus 로고
    • Scott, L. T.; Hashemi, M. M.; Bratcher, M. S. J. Am. Chem. Soc. 1992, 114, 1920, and work cited therein. Abdourazak, A. H.; Sygula, A.; Rabideau, P. W. J. Am. Chem. Soc. 1993, 115, 3010. Borchardt, A.; Fuchicello, A.; Kilvay, K. V.; Baldridge, K. K.; Siegel, J. S. J. Am. Chem. Soc. 1992, 114, 1921.
    • (1992) J. Am. Chem. Soc. , vol.114 , pp. 1921
    • Borchardt, A.1    Fuchicello, A.2    Kilvay, K.V.3    Baldridge, K.K.4    Siegel, J.S.5
  • 23
    • 0004189662 scopus 로고
    • Wiley: New York
    • The most prominent spherical polycyclic molecule with [5.5]-only anellation is pentagon dodecahedrane; see, for example: Olah, G. A., Ed., Cage Hydrocarbons; Wiley: New York, 1990.
    • (1990) Cage Hydrocarbons
    • Olah, G.A.1
  • 25
    • 0001456992 scopus 로고
    • and further articles in the March 1992 issue
    • Wudl, F. Acc. Chem. Res. 1992, 25, 157, and further articles in the March 1992 issue.
    • (1992) Acc. Chem. Res. , vol.25 , pp. 157
    • Wudl, F.1
  • 27
    • 0001101205 scopus 로고
    • Curl, R. F.; Smalley, R. E. Science 1988, 242, 1017. Curl, R. F.; Smalley, R. E. Scientific American 1991, 265 (10), 32.
    • (1988) Science , vol.242 , pp. 1017
    • Curl, R.F.1    Smalley, R.E.2
  • 28
  • 29
    • 0009487257 scopus 로고
    • Kroto, H. W. Angew. Chem. 1992, 104, 113; Angew. Chem., Int. Ed. Engl. 1992, 31, 111.
    • (1992) Angew. Chem. , vol.104 , pp. 113
    • Kroto, H.W.1
  • 30
    • 33751141399 scopus 로고
    • Kroto, H. W. Angew. Chem. 1992, 104, 113; Angew. Chem., Int. Ed. Engl. 1992, 31, 111.
    • (1992) Angew. Chem., Int. Ed. Engl. , vol.31 , pp. 111
  • 31
    • 34250872670 scopus 로고
    • Kroto, H. W. Nature 1987, 329, 529. D'Arcy Thompson, W. On Growth and Form, 2nd ed., Vol. 2; Cambridge University Press: Cambridge, 1942; Ysel Press: Deventer, 1972; p. 732.
    • (1987) Nature , vol.329 , pp. 529
    • Kroto, H.W.1
  • 32
    • 0005125160 scopus 로고
    • Cambridge University Press: Cambridge, Ysel Press: Deventer
    • Kroto, H. W. Nature 1987, 329, 529. D'Arcy Thompson, W. On Growth and Form, 2nd ed., Vol. 2; Cambridge University Press: Cambridge, 1942; Ysel Press: Deventer, 1972; p. 732.
    • (1942) On Growth and Form, 2nd Ed. , vol.2 , pp. 732
    • D'Arcy Thompson, W.1
  • 35
    • 0002642584 scopus 로고
    • Paquette, L. A. Top. Curr. Chem. 1979, 79, 41. Paquette, L. A. Top. Curr. Chem. 1984, 119, 1. Paquette, L. A.; Doherty, A. M. Polyquinane Chemistry, Synthesis and Reactions; Springer: Berlin, 1987.
    • (1979) Top. Curr. Chem. , vol.79 , pp. 41
    • Paquette, L.A.1
  • 36
    • 0002952842 scopus 로고
    • Paquette, L. A. Top. Curr. Chem. 1979, 79, 41. Paquette, L. A. Top. Curr. Chem. 1984, 119, 1. Paquette, L. A.; Doherty, A. M. Polyquinane Chemistry, Synthesis and Reactions; Springer: Berlin, 1987.
    • (1984) Top. Curr. Chem. , vol.119 , pp. 1
    • Paquette, L.A.1
  • 48
    • 0002430968 scopus 로고
    • Patai, S.; Rappoport, Z., Eds.; Wiley: New York
    • Agosta, W. C. in The Chemistry of Alkanes and Cycloalkanes; Patai, S.; Rappoport, Z., Eds.; Wiley: New York, 1992, p. 927. Venepalli, B. R.; Agosta, W. C. Chem. Rev. 1987, 87, 399.
    • (1992) The Chemistry of Alkanes and Cycloalkanes , pp. 927
    • Agosta, W.C.1
  • 49
    • 0000205138 scopus 로고
    • Agosta, W. C. in The Chemistry of Alkanes and Cycloalkanes; Patai, S.; Rappoport, Z., Eds.; Wiley: New York, 1992, p. 927. Venepalli, B. R.; Agosta, W. C. Chem. Rev. 1987, 87, 399.
    • (1987) Chem. Rev. , vol.87 , pp. 399
    • Venepalli, B.R.1    Agosta, W.C.2
  • 51
    • 0000033326 scopus 로고
    • Halton, B., Ed.; JAI Press: Greenwich, CT
    • Keese, R.; Luef, W. In Advances in Strain in Organic Chemistry, Vol. 3; Halton, B., Ed.; JAI Press: Greenwich, CT, 1993, p. 229. Keese R. In Organic Synthesis: Modern Trends; Chizhov, O., Ed.; Blackwell: Oxford, 1987; pp 43-52.
    • (1993) Advances in Strain in Organic Chemistry , vol.3 , pp. 229
    • Keese, R.1    Luef, W.2
  • 52
    • 0001873565 scopus 로고
    • Chizhov, O., Ed.; Blackwell: Oxford
    • Keese, R.; Luef, W. In Advances in Strain in Organic Chemistry, Vol. 3; Halton, B., Ed.; JAI Press: Greenwich, CT, 1993, p. 229. Keese R. In Organic Synthesis: Modern Trends; Chizhov, O., Ed.; Blackwell: Oxford, 1987; pp 43-52.
    • (1987) Organic Synthesis: Modern Trends , pp. 43-52
    • Keese, R.1
  • 53
    • 0002384721 scopus 로고
    • Mulzer, J.; Altenbach, H.-J.; Braun, M.; Krohn, K.; Reissig, H.-U., Eds.; VCH: Weinheim
    • Krohn, K. In Organic Synthesis Highlights; Mulzer, J.; Altenbach, H.-J.; Braun, M.; Krohn, K.; Reissig, H.-U., Eds.; VCH: Weinheim, 1991; p. 371.
    • (1991) Organic Synthesis Highlights , pp. 371
    • Krohn, K.1
  • 54
    • 1842606139 scopus 로고
    • PhD Thesis, Harvard University
    • Simmons III, H. E., PhD Thesis, Harvard University, 1980.
    • (1980)
    • Simmons III, H.E.1
  • 64
    • 33947465384 scopus 로고
    • Popp, F. D.; McEwen, W. E. Chem. Rev. 1958, 58, 321. Uhlig, F.; Snyder, H. R. Adv. Org. Chem. 1960, 1, 35.
    • (1958) Chem. Rev. , vol.58 , pp. 321
    • Popp, F.D.1    McEwen, W.E.2
  • 71
    • 33749089826 scopus 로고
    • Dyker, G.; Körning, J.; Jones, P. G.; Bubenitschek, P. Angew. Chem. 1993, 105, 1805; Angew. Chem., Int. Ed. Engl. 1993, 32, 1733.
    • (1993) Angew. Chem., Int. Ed. Engl. , vol.32 , pp. 1733
  • 73
    • 33748213873 scopus 로고
    • Haag, R.; Fleischer, R.; Stahlke, D.; de Meijere, A. Angew. Chem. 1995, 107, 1642; Angew. Chem., Int. Ed. Engl. 1995, 34, 1492.
    • (1995) Angew. Chem., Int. Ed. Engl. , vol.34 , pp. 1492
  • 76
    • 0010559882 scopus 로고
    • Kuck, D.; Schuster, A. Angew. Chem. 1988, 100, 1222; Angew. Chem., Int. Ed. Engl. 1988, 27, 1192.
    • (1988) Angew. Chem. , vol.100 , pp. 1222
    • Kuck, D.1    Schuster, A.2
  • 77
    • 34547165504 scopus 로고
    • Kuck, D.; Schuster, A. Angew. Chem. 1988, 100, 1222; Angew. Chem., Int. Ed. Engl. 1988, 27, 1192.
    • (1988) Angew. Chem., Int. Ed. Engl. , vol.27 , pp. 1192
  • 79
    • 33748222637 scopus 로고
    • Kuck, D.; Paisdor, B.; Gestmann, D. Angew. Chem. 1994, 106, 1326; Angew. Chem., Int. Ed. Engl. 1994, 33, 1251.
    • (1994) Angew. Chem., Int. Ed. Engl. , vol.33 , pp. 1251
  • 86
    • 0011842050 scopus 로고
    • Kuck, D. Angew. Chem. 1984, 96, 515; Angew. Chem., Int. Ed. Engl. 1984, 23, 508.
    • (1984) Angew. Chem. , vol.96 , pp. 515
    • Kuck, D.1
  • 87
    • 84985566439 scopus 로고
    • Kuck, D. Angew. Chem. 1984, 96, 515; Angew. Chem., Int. Ed. Engl. 1984, 23, 508.
    • (1984) Angew. Chem., Int. Ed. Engl. , vol.23 , pp. 508
  • 88
  • 93
    • 0000648139 scopus 로고
    • and previous work cited therein
    • For similar cases of stereocontrolled complex-hydride reductions, see: de Vries, E. F. J.; Brussee, J.; van der Gen, A. J. Org. Chem. 1994, 59, 7133, and previous work cited therein.
    • (1994) J. Org. Chem. , vol.59 , pp. 7133
    • De Vries, E.F.J.1    Brussee, J.2    Van Der Gen, A.3
  • 98
    • 1842606126 scopus 로고
    • Diol 41 was prepared by catalytic hydrogenation of the corresponding dione. For the reduction of other enolizable 1,3-diketones, see: Dumpis, T. T.; Vanags, G. Ya. Dokl. Akad. Nauk. SSSR 1962, 142, 42;
    • (1962) Dokl. Akad. Nauk. SSSR , vol.142 , pp. 42
    • Dumpis, T.T.1    Vanags, G.Ya.2
  • 108
    • 33748228525 scopus 로고
    • and literature cited therein
    • Lyons, J. E.; Rasmussen, D. R.; McGrath, M. P.; Nobes, R. H.; Radom, L. Angew. Chem. 1994, 106, 1722; Angew. Chem., Int. Ed. Engl. 1994, 33, 1667, and literature cited therein.
    • (1994) Angew. Chem., Int. Ed. Engl. , vol.33 , pp. 1667
  • 113
    • 0004226014 scopus 로고
    • Shternberga, I. Ya.; Freimanis, Ya. F. Zh. Org. Khim. 1968, 4, 1081; J. Org. Chem. USSR 1968, 4, 1044.
    • (1968) J. Org. Chem. USSR , vol.4 , pp. 1044
  • 115
    • 1842606127 scopus 로고
    • Popelis, Yu. Yu.; Pestunovich, V. A.; Shternberga, I. Ya.; Freimanis, Ya. F. Zh. Org. Khim. 1972, 8, 1860; J. Org. Chem. USSR 1972, 8, 1907.
    • (1972) J. Org. Chem. USSR , vol.8 , pp. 1907
  • 119
    • 85033752068 scopus 로고
    • Doctoral thesis, University of Bielefeld
    • Krause, R. A., Doctoral thesis, University of Bielefeld, 1992.
    • (1992)
    • Krause, R.A.1
  • 120
    • 85033755992 scopus 로고
    • Doctoral thesis, University of Bielefeld
    • Seifert, M., Doctoral thesis, University of Bielefeld, 1991.
    • (1991)
    • Seifert, M.1
  • 123
    • 0001615672 scopus 로고
    • Keese, R. Angew. Chem. 1992, 104, 307, Angew. Chem., Int. Ed. Engl. 1992, 31, 344.
    • (1992) Angew. Chem. , vol.104 , pp. 307
    • Keese, R.1
  • 124
    • 33748225604 scopus 로고
    • Keese, R. Angew. Chem. 1992, 104, 307, Angew. Chem., Int. Ed. Engl. 1992, 31, 344.
    • (1992) Angew. Chem., Int. Ed. Engl. , vol.31 , pp. 344
  • 130
    • 0001024949 scopus 로고
    • For some hydrocarbons with extended, curved polycyclic framework, see: Pascal, R. A., Jr.; McMillan, W. D.; Van Engen, D.; Eason, R. G. J. Am. Chem. Soc. 1987, 109, 4660. Pascal, R. A., Jr.; Ho, D. M. Tetrahedron Lett. 1992, 33, 13. Yamamoto, K.; Harada, T.; Okamoto, Y.; Chikamatsu, H.; Nakazaki, M.; Kai, Y.; Nakao, T.; Tanaka, M.; Harada, S.; Kasai, N. J. Am. Chem. Soc. 1988, 110, 3578. Yamamoto, K.; Saitho, Y.; Iwaki, D.; Ooka, T. Angew. Chem. 1991, 103, 1202; Angew. Chem., Int. Ed. Engl. 1992, 30, 1173.
    • (1987) J. Am. Chem. Soc. , vol.109 , pp. 4660
    • Pascal Jr., R.A.1    McMillan, W.D.2    Van Engen, D.3    Eason, R.G.4
  • 131
    • 0026584651 scopus 로고
    • For some hydrocarbons with extended, curved polycyclic framework, see: Pascal, R. A., Jr.; McMillan, W. D.; Van Engen, D.; Eason, R. G. J. Am. Chem. Soc. 1987, 109, 4660. Pascal, R. A., Jr.; Ho, D. M. Tetrahedron Lett. 1992, 33, 13. Yamamoto, K.; Harada, T.; Okamoto, Y.; Chikamatsu, H.; Nakazaki, M.; Kai, Y.; Nakao, T.; Tanaka, M.; Harada, S.; Kasai, N. J. Am. Chem. Soc. 1988, 110, 3578. Yamamoto, K.; Saitho, Y.; Iwaki, D.; Ooka, T. Angew. Chem. 1991, 103, 1202; Angew. Chem., Int. Ed. Engl. 1992, 30, 1173.
    • (1992) Tetrahedron Lett. , vol.33 , pp. 13
    • Pascal Jr., R.A.1    Ho, D.M.2
  • 132
    • 0024014051 scopus 로고
    • For some hydrocarbons with extended, curved polycyclic framework, see: Pascal, R. A., Jr.; McMillan, W. D.; Van Engen, D.; Eason, R. G. J. Am. Chem. Soc. 1987, 109, 4660. Pascal, R. A., Jr.; Ho, D. M. Tetrahedron Lett. 1992, 33, 13. Yamamoto, K.; Harada, T.; Okamoto, Y.; Chikamatsu, H.; Nakazaki, M.; Kai, Y.; Nakao, T.; Tanaka, M.; Harada, S.; Kasai, N. J. Am. Chem. Soc. 1988, 110, 3578. Yamamoto, K.; Saitho, Y.; Iwaki, D.; Ooka, T. Angew. Chem. 1991, 103, 1202; Angew. Chem., Int. Ed. Engl. 1992, 30, 1173.
    • (1988) J. Am. Chem. Soc. , vol.110 , pp. 3578
    • Yamamoto, K.1    Harada, T.2    Okamoto, Y.3    Chikamatsu, H.4    Nakazaki, M.5    Kai, Y.6    Nakao, T.7    Tanaka, M.8    Harada, S.9    Kasai, N.10
  • 133
    • 0005126537 scopus 로고
    • For some hydrocarbons with extended, curved polycyclic framework, see: Pascal, R. A., Jr.; McMillan, W. D.; Van Engen, D.; Eason, R. G. J. Am. Chem. Soc. 1987, 109, 4660. Pascal, R. A., Jr.; Ho, D. M. Tetrahedron Lett. 1992, 33, 13. Yamamoto, K.; Harada, T.; Okamoto, Y.; Chikamatsu, H.; Nakazaki, M.; Kai, Y.; Nakao, T.; Tanaka, M.; Harada, S.; Kasai, N. J. Am. Chem. Soc. 1988, 110, 3578. Yamamoto, K.; Saitho, Y.; Iwaki, D.; Ooka, T. Angew. Chem. 1991, 103, 1202; Angew. Chem., Int. Ed. Engl. 1992, 30, 1173.
    • (1991) Angew. Chem. , vol.103 , pp. 1202
    • Yamamoto, K.1    Saitho, Y.2    Iwaki, D.3    Ooka, T.4
  • 134
    • 85033759240 scopus 로고
    • For some hydrocarbons with extended, curved polycyclic framework, see: Pascal, R. A., Jr.; McMillan, W. D.; Van Engen, D.; Eason, R. G. J. Am. Chem. Soc. 1987, 109, 4660. Pascal, R. A., Jr.; Ho, D. M. Tetrahedron Lett. 1992, 33, 13. Yamamoto, K.; Harada, T.; Okamoto, Y.; Chikamatsu, H.; Nakazaki, M.; Kai, Y.; Nakao, T.; Tanaka, M.; Harada, S.; Kasai, N. J. Am. Chem. Soc. 1988, 110, 3578. Yamamoto, K.; Saitho, Y.; Iwaki, D.; Ooka, T. Angew. Chem. 1991, 103, 1202; Angew. Chem., Int. Ed. Engl. 1992, 30, 1173.
    • (1992) Angew. Chem., Int. Ed. Engl. , vol.30 , pp. 1173
  • 145
    • 0001289692 scopus 로고
    • Nucleophile-induced cleavage reactions of 1,3-diketones have been encountered in polyquinane chemistry. See, for example: Han, W. C.; Takahashi, K.; Cook, J. M.; Weiss, U.; Silverton, J. V. J. Am. Chem. Soc. 1982, 104, 318; Venkatachalam, M.; Kubiak, G.; Cook, J. M.; Weiss, U. Tetrahedron Lett. 1985, 26, 4863.
    • (1982) J. Am. Chem. Soc. , vol.104 , pp. 318
    • Han, W.C.1    Takahashi, K.2    Cook, J.M.3    Weiss, U.4    Silverton, J.V.5
  • 146
    • 0011165055 scopus 로고
    • Nucleophile-induced cleavage reactions of 1,3-diketones have been encountered in polyquinane chemistry. See, for example: Han, W. C.; Takahashi, K.; Cook, J. M.; Weiss, U.; Silverton, J. V. J. Am. Chem. Soc. 1982, 104, 318; Venkatachalam, M.; Kubiak, G.; Cook, J. M.; Weiss, U. Tetrahedron Lett. 1985, 26, 4863.
    • (1985) Tetrahedron Lett. , vol.26 , pp. 4863
    • Venkatachalam, M.1    Kubiak, G.2    Cook, J.M.3    Weiss, U.4


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