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Volumn 65, Issue 9, 2000, Pages 2847-2850

Aryl-fused nitrogen heterocycles by a tandem reduction-Michael addition reaction

Author keywords

[No Author keywords available]

Indexed keywords

HETEROCYCLIC COMPOUND; NITROGEN;

EID: 0034607870     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo991899+     Document Type: Article
Times cited : (52)

References (54)
  • 1
    • 0343179566 scopus 로고    scopus 로고
    • Oklahoma State University Freshman Research Scholar, 1999-2000
    • Oklahoma State University Freshman Research Scholar, 1999-2000.
  • 2
    • 0031721239 scopus 로고    scopus 로고
    • For recent reviews on tetrahydroquinolines, see: (a) Kouznetsov, V.; Palma, A.; Ewert, C.; Varlamov, A. J. Heterocycl. Chem. 1998, 35, 761-785. (b) Katritsky, A. R.; Rachwal, S.; Rachwal, B. Tetrahedron 1996, 52, 15031-15070. See also: (c) Gilchrist, T. L.; Rahman, A. J. Chem. Soc., Perkin Trans. 1 1998, 1203-1207. (d) Nagata, R.; Tanno, N.; Kodo, T.; Ae, N.; Yamaguchi, H.; Nishimura, H.; Antoku, F.; Tatsuno, T.; Kato, T.; Tanaka, Y.; Nakamura, M.; Ogita, K.; Yoneda, Y. J. Med. Chem. 1994, 37, 3956-3968.
    • (1998) J. Heterocycl. Chem. , vol.35 , pp. 761-785
    • Kouznetsov, V.1    Palma, A.2    Ewert, C.3    Varlamov, A.4
  • 3
    • 0030602266 scopus 로고    scopus 로고
    • For recent reviews on tetrahydroquinolines, see: (a) Kouznetsov, V.; Palma, A.; Ewert, C.; Varlamov, A. J. Heterocycl. Chem. 1998, 35, 761-785. (b) Katritsky, A. R.; Rachwal, S.; Rachwal, B. Tetrahedron 1996, 52, 15031-15070. See also: (c) Gilchrist, T. L.; Rahman, A. J. Chem. Soc., Perkin Trans. 1 1998, 1203-1207. (d) Nagata, R.; Tanno, N.; Kodo, T.; Ae, N.; Yamaguchi, H.; Nishimura, H.; Antoku, F.; Tatsuno, T.; Kato, T.; Tanaka, Y.; Nakamura, M.; Ogita, K.; Yoneda, Y. J. Med. Chem. 1994, 37, 3956-3968.
    • (1996) Tetrahedron , vol.52 , pp. 15031-15070
    • Katritsky, A.R.1    Rachwal, S.2    Rachwal, B.3
  • 4
    • 33646546080 scopus 로고    scopus 로고
    • For recent reviews on tetrahydroquinolines, see: (a) Kouznetsov, V.; Palma, A.; Ewert, C.; Varlamov, A. J. Heterocycl. Chem. 1998, 35, 761-785. (b) Katritsky, A. R.; Rachwal, S.; Rachwal, B. Tetrahedron 1996, 52, 15031-15070. See also: (c) Gilchrist, T. L.; Rahman, A. J. Chem. Soc., Perkin Trans. 1 1998, 1203-1207. (d) Nagata, R.; Tanno, N.; Kodo, T.; Ae, N.; Yamaguchi, H.; Nishimura, H.; Antoku, F.; Tatsuno, T.; Kato, T.; Tanaka, Y.; Nakamura, M.; Ogita, K.; Yoneda, Y. J. Med. Chem. 1994, 37, 3956-3968.
    • (1998) J. Chem. Soc., Perkin Trans. 1 , pp. 1203-1207
    • Gilchrist, T.L.1    Rahman, A.2
  • 6
    • 0343179560 scopus 로고    scopus 로고
    • Elsevier: Amsterdam
    • For a recent review on benzoxazines, see: (a) Sainsbury, M. Rodd's Chem. Carbon Compd., 2nd ed.; Elsevier: Amsterdam, 1998; pp 465-511. See also: (b) Matsuoka, H.; Ohi, N.; Mihara, M.; Suzuki, H.; Miyamoto, K.; Maruyama, N.; Tsuji, K.; Kato, N.; Akimoto, T.; Takeda, Y.; Yano, K.; Kuroki, T. J. Med. Chem. 1997, 40, 105-111.
    • (1998) Rodd's Chem. Carbon Compd., 2nd Ed. , pp. 465-511
    • Sainsbury, M.1
  • 8
    • 45549120599 scopus 로고
    • For reviews on quinoxalines, see: (a) Sakata, G.; Makino, K.; Kurasawa, Y. Heterocycles 1988, 27, 2481-2515. (b) Cheeseman, G. W. H.; Werstiuk, E. S. G. Adv. Heterocycl. Chem. 1978, 22, 367-431. See also (c) Awad, I. M. A. J. Chem. Technol. Biotechnol. 1992, 53, 227-236. (d) Kleim, J.-P.; Bender, R.; Billhardt, U.-M.; Meichsner, C.; Riess, G.; Rösner, M.; Winkler, I.; Paessens, A. Antimicrob. Agents Chemother. 1993, 37, 1659-1664. (e) Kleim, J.-P.; Rösner, M.; Winkler, I.; Paessens, A.; Kirsch, R.; Hsiou, Y.; Arnold, E.; Riess, G. Proc. Natl. Acad. Sci. U.S.A. 1996, 93, 34-38.
    • (1988) Heterocycles , vol.27 , pp. 2481-2515
    • Sakata, G.1    Makino, K.2    Kurasawa, Y.3
  • 9
    • 0001597127 scopus 로고
    • For reviews on quinoxalines, see: (a) Sakata, G.; Makino, K.; Kurasawa, Y. Heterocycles 1988, 27, 2481-2515. (b) Cheeseman, G. W. H.; Werstiuk, E. S. G. Adv. Heterocycl. Chem. 1978, 22, 367-431. See also (c) Awad, I. M. A. J. Chem. Technol. Biotechnol. 1992, 53, 227-236. (d) Kleim, J.-P.; Bender, R.; Billhardt, U.-M.; Meichsner, C.; Riess, G.; Rösner, M.; Winkler, I.; Paessens, A. Antimicrob. Agents Chemother. 1993, 37, 1659-1664. (e) Kleim, J.-P.; Rösner, M.; Winkler, I.; Paessens, A.; Kirsch, R.; Hsiou, Y.; Arnold, E.; Riess, G. Proc. Natl. Acad. Sci. U.S.A. 1996, 93, 34-38.
    • (1978) Adv. Heterocycl. Chem. , vol.22 , pp. 367-431
    • Cheeseman, G.W.H.1    Werstiuk, E.S.G.2
  • 10
    • 0026606687 scopus 로고
    • For reviews on quinoxalines, see: (a) Sakata, G.; Makino, K.; Kurasawa, Y. Heterocycles 1988, 27, 2481-2515. (b) Cheeseman, G. W. H.; Werstiuk, E. S. G. Adv. Heterocycl. Chem. 1978, 22, 367-431. See also (c) Awad, I. M. A. J. Chem. Technol. Biotechnol. 1992, 53, 227-236. (d) Kleim, J.-P.; Bender, R.; Billhardt, U.-M.; Meichsner, C.; Riess, G.; Rösner, M.; Winkler, I.; Paessens, A. Antimicrob. Agents Chemother. 1993, 37, 1659-1664. (e) Kleim, J.-P.; Rösner, M.; Winkler, I.; Paessens, A.; Kirsch, R.; Hsiou, Y.; Arnold, E.; Riess, G. Proc. Natl. Acad. Sci. U.S.A. 1996, 93, 34-38.
    • (1992) J. Chem. Technol. Biotechnol. , vol.53 , pp. 227-236
    • Awad, I.M.A.1
  • 11
    • 0027273015 scopus 로고
    • For reviews on quinoxalines, see: (a) Sakata, G.; Makino, K.; Kurasawa, Y. Heterocycles 1988, 27, 2481-2515. (b) Cheeseman, G. W. H.; Werstiuk, E. S. G. Adv. Heterocycl. Chem. 1978, 22, 367-431. See also (c) Awad, I. M. A. J. Chem. Technol. Biotechnol. 1992, 53, 227-236. (d) Kleim, J.-P.; Bender, R.; Billhardt, U.-M.; Meichsner, C.; Riess, G.; Rösner, M.; Winkler, I.; Paessens, A. Antimicrob. Agents Chemother. 1993, 37, 1659-1664. (e) Kleim, J.-P.; Rösner, M.; Winkler, I.; Paessens, A.; Kirsch, R.; Hsiou, Y.; Arnold, E.; Riess, G. Proc. Natl. Acad. Sci. U.S.A. 1996, 93, 34-38.
    • (1993) Antimicrob. Agents Chemother. , vol.37 , pp. 1659-1664
    • Kleim, J.-P.1    Bender, R.2    Billhardt, U.-M.3    Meichsner, C.4    Riess, G.5    Rösner, M.6    Winkler, I.7    Paessens, A.8
  • 12
    • 0030070683 scopus 로고    scopus 로고
    • For reviews on quinoxalines, see: (a) Sakata, G.; Makino, K.; Kurasawa, Y. Heterocycles 1988, 27, 2481-2515. (b) Cheeseman, G. W. H.; Werstiuk, E. S. G. Adv. Heterocycl. Chem. 1978, 22, 367-431. See also (c) Awad, I. M. A. J. Chem. Technol. Biotechnol. 1992, 53, 227-236. (d) Kleim, J.-P.; Bender, R.; Billhardt, U.-M.; Meichsner, C.; Riess, G.; Rösner, M.; Winkler, I.; Paessens, A. Antimicrob. Agents Chemother. 1993, 37, 1659-1664. (e) Kleim, J.-P.; Rösner, M.; Winkler, I.; Paessens, A.; Kirsch, R.; Hsiou, Y.; Arnold, E.; Riess, G. Proc. Natl. Acad. Sci. U.S.A. 1996, 93, 34-38.
    • (1996) Proc. Natl. Acad. Sci. U.S.A. , vol.93 , pp. 34-38
    • Kleim, J.-P.1    Rösner, M.2    Winkler, I.3    Paessens, A.4    Kirsch, R.5    Hsiou, Y.6    Arnold, E.7    Riess, G.8
  • 13
    • 0004209530 scopus 로고
    • Academic Press: New York
    • Reduction-reductive animation: (a) Rylander, P. N. Hydrogenation Methods; Academic Press: New York, 1985; pp 82-93. (b) Artico, M.; DeMartino, G.; Filacchione, G. Giuliano, R. Farmaco, Ed. Sci. 1969, 24, 276-284; Chem Abstr. 1970, 70, 96775a.
    • (1985) Hydrogenation Methods , pp. 82-93
    • Rylander, P.N.1
  • 14
    • 0014488758 scopus 로고
    • Reduction-reductive animation: (a) Rylander, P. N. Hydrogenation Methods; Academic Press: New York, 1985; pp 82-93. (b) Artico, M.; DeMartino, G.; Filacchione, G. Giuliano, R. Farmaco, Ed. Sci. 1969, 24, 276-284; Chem Abstr. 1970, 70, 96775a.
    • (1969) Farmaco, Ed. Sci. , vol.24 , pp. 276-284
    • Artico, M.1    DeMartino, G.2    Filacchione, G.3    Giuliano, R.4
  • 15
    • 4244044728 scopus 로고
    • Reduction-reductive animation: (a) Rylander, P. N. Hydrogenation Methods; Academic Press: New York, 1985; pp 82-93. (b) Artico, M.; DeMartino, G.; Filacchione, G. Giuliano, R. Farmaco, Ed. Sci. 1969, 24, 276-284; Chem Abstr. 1970, 70, 96775a.
    • (1970) Chem Abstr. , vol.70
  • 17
    • 0032927828 scopus 로고    scopus 로고
    • Reduction-lactam formation: (a) Floyd, D. M.; Moquin, R. V.; Atwal, K. S.; Ahmed, S. Z.; Spergal, S. H.; Gougoutas, J. Z.; Malley, M. F. J. Org. Chem. 1990, 55, 5572-5579. (b) Tapia, R. A.; Centella, C. R.; Valderrama, J. A. Synth. Commun. 1999, 29, 2163-2168.
    • (1999) Synth. Commun. , vol.29 , pp. 2163-2168
    • Tapia, R.A.1    Centella, C.R.2    Valderrama, J.A.3
  • 18
    • 0004236898 scopus 로고    scopus 로고
    • American Chemical Society: Washington D.C.
    • For a survey of most of the methods for nitroarene reduction, see Hudlicky, M. Reductions in Organic Chemistry, 2nd ed.; American Chemical Society: Washington D.C., 1996.
    • (1996) Reductions in Organic Chemistry, 2nd Ed.
    • Hudlicky, M.1
  • 24
    • 0342310016 scopus 로고    scopus 로고
    • See ref 8, p 986
    • See ref 8, p 986.
  • 27
    • 0342310015 scopus 로고    scopus 로고
    • note
    • Attempts to perform the alkylation with ethyl (E)-4-bromo-2-butenoate in refluxing acetone resulted in alkylation and double-bond migration to give ethyl (Z)-4-(2-nitrophenyl)-3-butenoate. See: (a) Reference 15. (b) Balakumar, A.; Janardhanam, S.; Rajagopalan, K. Indian J. Chem. 1993, 32B, 313-317.
  • 28
    • 0005519846 scopus 로고
    • Attempts to perform the alkylation with ethyl (E)-4-bromo-2- butenoate in refluxing acetone resulted in alkylation and double-bond migration to give ethyl (Z)-4-(2-nitrophenyl)-3-butenoate. See: (a) Reference 15. (b) Balakumar, A.; Janardhanam, S.; Rajagopalan, K. Indian J. Chem. 1993, 32B, 313-317.
    • (1993) Indian J. Chem. , vol.32 B , pp. 313-317
    • Balakumar, A.1    Janardhanam, S.2    Rajagopalan, K.3
  • 30
    • 3142526915 scopus 로고
    • 3OH) have been found to give predominantly the Z olefin; see: Valverde, S.; Martin-Lomas, M.; Herradon, B.; Garcia-Ochoa, S. Tetrahedron 1987, 43, 1895-1901. In the current procedure, the crude aldehyde contained some residual methanol from the ozonolysis reaction and DMSO from the reductive workup procedure.
    • (1987) Tetrahedron , vol.43 , pp. 1895-1901
    • Valverde, S.1    Martin-Lomas, M.2    Herradon, B.3    Garcia-Ochoa, S.4
  • 34
    • 0343614948 scopus 로고    scopus 로고
    • note
    • (b) Use of 3-5 equiv of iron gave less consistent yields.
  • 35
    • 33751390926 scopus 로고
    • See, for example: (a) Bunce, R. A.; Peeples, C. J.; Jones, P. B. J. Org. Chem. 1992, 57, 1727-1733. (b) Bunce, R. A.; Bennett, M. J. Synth. Commun. 1993, 23, 1009-1020.
    • (1992) J. Org. Chem. , vol.57 , pp. 1727-1733
    • Bunce, R.A.1    Peeples, C.J.2    Jones, P.B.3
  • 36
    • 0027275955 scopus 로고
    • See, for example: (a) Bunce, R. A.; Peeples, C. J.; Jones, P. B. J. Org. Chem. 1992, 57, 1727-1733. (b) Bunce, R. A.; Bennett, M. J. Synth. Commun. 1993, 23, 1009-1020.
    • (1993) Synth. Commun. , vol.23 , pp. 1009-1020
    • Bunce, R.A.1    Bennett, M.J.2
  • 37
    • 0000865526 scopus 로고
    • For reductions using activated iron, see: (a) Hazlet, S. E.; Dornfeld, C. A. J. Am. Chem. Soc. 1944, 66, 1781-1782. (b) Eisch, J. J.; Kovacs, C. A.; Rhee, S.-G. J. Organomet. Chem. 1974, 65, 289- 301.
    • (1944) J. Am. Chem. Soc. , vol.66 , pp. 1781-1782
    • Hazlet, S.E.1    Dornfeld, C.A.2
  • 38
    • 0001622468 scopus 로고
    • For reductions using activated iron, see: (a) Hazlet, S. E.; Dornfeld, C. A. J. Am. Chem. Soc. 1944, 66, 1781-1782. (b) Eisch, J. J.; Kovacs, C. A.; Rhee, S.-G. J. Organomet. Chem. 1974, 65, 289-301.
    • (1974) J. Organomet. Chem. , vol.65 , pp. 289-301
    • Eisch, J.J.1    Kovacs, C.A.2    Rhee, S.-G.3
  • 39
    • 37049169974 scopus 로고    scopus 로고
    • note
    • For reductions using iron in the presence of acids, see: (a) Reference 7. (b) West, R. W. J. Chem. Soc. 1925, 127, 494-495. (c) Wertheim, E. Organic Syntheses; Wiley: New York, 1943; Collect. Vol. II, pp 471-473. (d) Mosby, W. L. J. Org. Chem. 1959, 24, 421-423. (e) Wulfman, D. S.; Cooper, C. F. Synthesis 1978, 924-925.
  • 40
    • 37049169974 scopus 로고    scopus 로고
    • For reductions using iron in the presence of acids, see: (a) Reference 7. (b) West, R. W. J. Chem. Soc. 1925, 127, 494-495. (c) Wertheim, E. Organic Syntheses; Wiley: New York, 1943; Collect. Vol. II, pp 471-473. (d) Mosby, W. L. J. Org. Chem. 1959, 24, 421-423. (e) Wulfman, D. S.; Cooper, C. F. Synthesis 1978, 924-925.
    • (1925) J. Chem. Soc. , vol.127 , pp. 494-495
    • West, R.W.1
  • 41
    • 37049169974 scopus 로고    scopus 로고
    • Wiley: New York
    • For reductions using iron in the presence of acids, see: (a) Reference 7. (b) West, R. W. J. Chem. Soc. 1925, 127, 494-495. (c) Wertheim, E. Organic Syntheses; Wiley: New York, 1943; Collect. Vol. II, pp 471-473. (d) Mosby, W. L. J. Org. Chem. 1959, 24, 421-423. (e) Wulfman, D. S.; Cooper, C. F. Synthesis 1978, 924-925.
    • (1943) Organic Syntheses , vol.2 , pp. 471-473
    • Wertheim, E.1
  • 42
    • 0001280058 scopus 로고
    • For reductions using iron in the presence of acids, see: (a) Reference 7. (b) West, R. W. J. Chem. Soc. 1925, 127, 494-495. (c) Wertheim, E. Organic Syntheses; Wiley: New York, 1943; Collect. Vol. II, pp 471-473. (d) Mosby, W. L. J. Org. Chem. 1959, 24, 421-423. (e) Wulfman, D. S.; Cooper, C. F. Synthesis 1978, 924-925.
    • (1959) J. Org. Chem. , vol.24 , pp. 421-423
    • Mosby, W.L.1
  • 43
    • 84986496534 scopus 로고
    • For reductions using iron in the presence of acids, see: (a) Reference 7. (b) West, R. W. J. Chem. Soc. 1925, 127, 494-495. (c) Wertheim, E. Organic Syntheses; Wiley: New York, 1943; Collect. Vol. II, pp 471-473. (d) Mosby, W. L. J. Org. Chem. 1959, 24, 421-423. (e) Wulfman, D. S.; Cooper, C. F. Synthesis 1978, 924-925.
    • (1978) Synthesis , pp. 924-925
    • Wulfman, D.S.1    Cooper, C.F.2
  • 44
    • 37049104626 scopus 로고
    • Other mild conditions for nitroarene reductions have also been reported, but were not investigated for the current reaction; see: (a) Alper, H.; Gopal, M. J. Chem. Soc., Chem. Commun. 1980, 821. (b) Sarmah, P.; Barua, N. C. Tetrahedron Lett. 1990, 31, 4065-4066. (c) Baruah, R. N. Indian J. Chem. 1994, 33B, 758. (d) Desai, D. G.; Swami, S. S.; Hapase, S. B. Synth. Commun. 1999, 29, 1033-1036. (e) Hari, A.; Miller, B. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 2777-2779.
    • (1980) J. Chem. Soc., Chem. Commun. , pp. 821
    • Alper, H.1    Gopal, M.2
  • 45
    • 0025333932 scopus 로고
    • Other mild conditions for nitroarene reductions have also been reported, but were not investigated for the current reaction; see: (a) Alper, H.; Gopal, M. J. Chem. Soc., Chem. Commun. 1980, 821. (b) Sarmah, P.; Barua, N. C. Tetrahedron Lett. 1990, 31, 4065-4066. (c) Baruah, R. N. Indian J. Chem. 1994, 33B, 758. (d) Desai, D. G.; Swami, S. S.; Hapase, S. B. Synth. Commun. 1999, 29, 1033-1036. (e) Hari, A.; Miller, B. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 2777-2779.
    • (1990) Tetrahedron Lett. , vol.31 , pp. 4065-4066
    • Sarmah, P.1    Barua, N.C.2
  • 46
    • 0001484507 scopus 로고
    • Other mild conditions for nitroarene reductions have also been reported, but were not investigated for the current reaction; see: (a) Alper, H.; Gopal, M. J. Chem. Soc., Chem. Commun. 1980, 821. (b) Sarmah, P.; Barua, N. C. Tetrahedron Lett. 1990, 31, 4065-4066. (c) Baruah, R. N. Indian J. Chem. 1994, 33B, 758. (d) Desai, D. G.; Swami, S. S.; Hapase, S. B. Synth. Commun. 1999, 29, 1033-1036. (e) Hari, A.; Miller, B. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 2777-2779.
    • (1994) Indian J. Chem. , vol.33 B , pp. 758
    • Baruah, R.N.1
  • 47
    • 0032978736 scopus 로고    scopus 로고
    • Other mild conditions for nitroarene reductions have also been reported, but were not investigated for the current reaction; see: (a) Alper, H.; Gopal, M. J. Chem. Soc., Chem. Commun. 1980, 821. (b) Sarmah, P.; Barua, N. C. Tetrahedron Lett. 1990, 31, 4065-4066. (c) Baruah, R. N. Indian J. Chem. 1994, 33B, 758. (d) Desai, D. G.; Swami, S. S.; Hapase, S. B. Synth. Commun. 1999, 29, 1033-1036. (e) Hari, A.; Miller, B. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 2777-2779.
    • (1999) Synth. Commun. , vol.29 , pp. 1033-1036
    • Desai, D.G.1    Swami, S.S.2    Hapase, S.B.3
  • 48
    • 0033578665 scopus 로고    scopus 로고
    • Other mild conditions for nitroarene reductions have also been reported, but were not investigated for the current reaction; see: (a) Alper, H.; Gopal, M. J. Chem. Soc., Chem. Commun. 1980, 821. (b) Sarmah, P.; Barua, N. C. Tetrahedron Lett. 1990, 31, 4065-4066. (c) Baruah, R. N. Indian J. Chem. 1994, 33B, 758. (d) Desai, D. G.; Swami, S. S.; Hapase, S. B. Synth. Commun. 1999, 29, 1033-1036. (e) Hari, A.; Miller, B. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 2777-2779.
    • (1999) Angew. Chem., Int. Ed. Engl. , vol.38 , pp. 2777-2779
    • Hari, A.1    Miller, B.L.2
  • 49
    • 84913704346 scopus 로고
    • For reductions using iron in the presence of added salts, see: (a) Lyons, R. E.; Smith, L. T. Chem. Ber. 1927, 60, 173-182. (b) Hodgson, H. H.; Whitehurst, J. S. J. Chem. Soc. 1945, 202-204. (c) Senkus, M. Ind. Eng. Chem. 1948, 40, 506-508.
    • (1927) Chem. Ber. , vol.60 , pp. 173-182
    • Lyons, R.E.1    Smith, L.T.2
  • 50
    • 37049154191 scopus 로고
    • For reductions using iron in the presence of added salts, see: (a) Lyons, R. E.; Smith, L. T. Chem. Ber. 1927, 60, 173-182. (b) Hodgson, H. H.; Whitehurst, J. S. J. Chem. Soc. 1945, 202-204. (c) Senkus, M. Ind. Eng. Chem. 1948, 40, 506-508.
    • (1945) J. Chem. Soc. , pp. 202-204
    • Hodgson, H.H.1    Whitehurst, J.S.2
  • 51
    • 0343179542 scopus 로고
    • For reductions using iron in the presence of added salts, see: (a) Lyons, R. E.; Smith, L. T. Chem. Ber. 1927, 60, 173-182. (b) Hodgson, H. H.; Whitehurst, J. S. J. Chem. Soc. 1945, 202-204. (c) Senkus, M. Ind. Eng. Chem. 1948, 40, 506-508.
    • (1948) Ind. Eng. Chem. , vol.40 , pp. 506-508
    • Senkus, M.1
  • 52
    • 0342744981 scopus 로고    scopus 로고
    • note
    • 2O (0.25 mmol/4.00 mL) was found to have a pH of 4. This appears to be sufficiently acidic to slowly cleave the allylic ethers.


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