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Volumn 1996, Issue 12, 1996, Pages 1173-1175

Efficient Construction of Bi- and Tricyclic Cyclooctanoid Systems via Crossed [4+4]-Photocycloadditions of Pyran-2-ones

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EID: 0002831435     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1996-5717     Document Type: Article
Times cited : (23)

References (25)
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    • [6+2]: (a) Feldman, K. S.; Wu, M. J.; Rotella, D. P. J. Am. Chem. Soc. 1990, 112, 8490. (b) Pirrung, M. C. J. Org. Chem. 1987, 52, 1635. (c) Wagner, P. J.; Sakamoto, M.; Madkour, A. E. J. Am. Chem. Soc. 1992, 114, 7298. [4+3]: (d) West, F. G.; Hartke-Karger, C.; Koch, D. J.; Kuehn, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 6795. (e) Harmata, M.; Elahmad, S.; Barnes, C. L. J. Org. Chem. 1994, 59, 1241. [4+4]: (f) Sieburth, S. McN.; Heil, G.; Lin, C.-H.; Kuan, D. P. J. Org. Chem. 1994, 59, 80. (g) Sieburth, S. McN.; Ravindran, K. Tetrahedron Lett. 1994, 35, 3861. (h) Sieburth, S. McN.; Joshi, P. V. J. Org. Chem. 1993, 58, 1661. (i) West, F. G.; Chase, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 3794.
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    • Harmata, M.1    Elahmad, S.2    Barnes, C.L.3
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    • [6+2]: (a) Feldman, K. S.; Wu, M. J.; Rotella, D. P. J. Am. Chem. Soc. 1990, 112, 8490. (b) Pirrung, M. C. J. Org. Chem. 1987, 52, 1635. (c) Wagner, P. J.; Sakamoto, M.; Madkour, A. E. J. Am. Chem. Soc. 1992, 114, 7298. [4+3]: (d) West, F. G.; Hartke-Karger, C.; Koch, D. J.; Kuehn, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 6795. (e) Harmata, M.; Elahmad, S.; Barnes, C. L. J. Org. Chem. 1994, 59, 1241. [4+4]: (f) Sieburth, S. McN.; Heil, G.; Lin, C.-H.; Kuan, D. P. J. Org. Chem. 1994, 59, 80. (g) Sieburth, S. McN.; Ravindran, K. Tetrahedron Lett. 1994, 35, 3861. (h) Sieburth, S. McN.; Joshi, P. V. J. Org. Chem. 1993, 58, 1661. (i) West, F. G.; Chase, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 3794.
    • (1994) J. Org. Chem. , vol.59 , pp. 80
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    • [6+2]: (a) Feldman, K. S.; Wu, M. J.; Rotella, D. P. J. Am. Chem. Soc. 1990, 112, 8490. (b) Pirrung, M. C. J. Org. Chem. 1987, 52, 1635. (c) Wagner, P. J.; Sakamoto, M.; Madkour, A. E. J. Am. Chem. Soc. 1992, 114, 7298. [4+3]: (d) West, F. G.; Hartke-Karger, C.; Koch, D. J.; Kuehn, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 6795. (e) Harmata, M.; Elahmad, S.; Barnes, C. L. J. Org. Chem. 1994, 59, 1241. [4+4]: (f) Sieburth, S. McN.; Heil, G.; Lin, C.-H.; Kuan, D. P. J. Org. Chem. 1994, 59, 80. (g) Sieburth, S. McN.; Ravindran, K. Tetrahedron Lett. 1994, 35, 3861. (h) Sieburth, S. McN.; Joshi, P. V. J. Org. Chem. 1993, 58, 1661. (i) West, F. G.; Chase, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 3794.
    • (1994) Tetrahedron Lett. , vol.35 , pp. 3861
    • Sieburth, S.McN.1    Ravindran, K.2
  • 12
    • 0000419458 scopus 로고
    • [6+2]: (a) Feldman, K. S.; Wu, M. J.; Rotella, D. P. J. Am. Chem. Soc. 1990, 112, 8490. (b) Pirrung, M. C. J. Org. Chem. 1987, 52, 1635. (c) Wagner, P. J.; Sakamoto, M.; Madkour, A. E. J. Am. Chem. Soc. 1992, 114, 7298. [4+3]: (d) West, F. G.; Hartke-Karger, C.; Koch, D. J.; Kuehn, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 6795. (e) Harmata, M.; Elahmad, S.; Barnes, C. L. J. Org. Chem. 1994, 59, 1241. [4+4]: (f) Sieburth, S. McN.; Heil, G.; Lin, C.-H.; Kuan, D. P. J. Org. Chem. 1994, 59, 80. (g) Sieburth, S. McN.; Ravindran, K. Tetrahedron Lett. 1994, 35, 3861. (h) Sieburth, S. McN.; Joshi, P. V. J. Org. Chem. 1993, 58, 1661. (i) West, F. G.; Chase, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 3794.
    • (1993) J. Org. Chem. , vol.58 , pp. 1661
    • Sieburth, S.McN.1    Joshi, P.V.2
  • 13
    • 0000660586 scopus 로고
    • [6+2]: (a) Feldman, K. S.; Wu, M. J.; Rotella, D. P. J. Am. Chem. Soc. 1990, 112, 8490. (b) Pirrung, M. C. J. Org. Chem. 1987, 52, 1635. (c) Wagner, P. J.; Sakamoto, M.; Madkour, A. E. J. Am. Chem. Soc. 1992, 114, 7298. [4+3]: (d) West, F. G.; Hartke-Karger, C.; Koch, D. J.; Kuehn, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 6795. (e) Harmata, M.; Elahmad, S.; Barnes, C. L. J. Org. Chem. 1994, 59, 1241. [4+4]: (f) Sieburth, S. McN.; Heil, G.; Lin, C.-H.; Kuan, D. P. J. Org. Chem. 1994, 59, 80. (g) Sieburth, S. McN.; Ravindran, K. Tetrahedron Lett. 1994, 35, 3861. (h) Sieburth, S. McN.; Joshi, P. V. J. Org. Chem. 1993, 58, 1661. (i) West, F. G.; Chase, C. E.; Arif, A. M. J. Org. Chem. 1993, 58, 3794.
    • (1993) J. Org. Chem. , vol.58 , pp. 3794
    • West, F.G.1    Chase, C.E.2    Arif, A.M.3
  • 14
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    • For a recent study of the photochemistry of pyran-2-ones bearing C-4 tethered alkenes and dienes, see: Shimo, T.; Ueda, S.; Somekawa, K. J. Heterocyclic Chem. 1995, 32, 341.
    • (1995) J. Heterocyclic Chem. , vol.32 , pp. 341
    • Shimo, T.1    Ueda, S.2    Somekawa, K.3
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    • 2)
    • 2).
  • 21
    • 1542437735 scopus 로고    scopus 로고
    • 1H NMR spectra
    • 1H NMR spectra.
  • 22
    • 1542542465 scopus 로고    scopus 로고
    • 4i led to low conversion and a 1:1 ratio of endo and exo cycloadducts. Low water solubility (ca. 9 mg/0.5 L) precluded the use of aq. LiCl
    • 4i led to low conversion and a 1:1 ratio of endo and exo cycloadducts. Low water solubility (ca. 9 mg/0.5 L) precluded the use of aq. LiCl.
  • 24
    • 1542542472 scopus 로고    scopus 로고
    • note
    • 4), filtered, and concentrated to a yellow oil. The crude product was purified by radial chromatography (silica gel, 1 mm rotor, hexanes/EtOAc 19:1) to give 5i (10 mg, 0.029 mmol, 20%), 6i (29 mg, 0.084 mmol, 58%) and 8i (2 mg, 0.006 mmol, 4%).
  • 25
    • 0001604648 scopus 로고    scopus 로고
    • For a recently published, related approach to a 5-8-5 skeleton via an intramolecular [4+3]-cycloaddition, see: Harmata, M.; Elomari, S.; Barnes, C. L. J. Am. Chem. Soc. 1996, 118, 2860.
    • (1996) J. Am. Chem. Soc. , vol.118 , pp. 2860
    • Harmata, M.1    Elomari, S.2    Barnes, C.L.3


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