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Volumn 62, Issue 22, 1997, Pages 7863-7868

Direct Synthesis of Cyclic Ketals of Acetophenones by Palladium-Catalyzed Arylation of Hydroxyalkyl Vinyl Ethers

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EID: 1542605386     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo971454q     Document Type: Article
Times cited : (7)

References (71)
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    • For internal arylation of acyclic vinyl ethers see: (a) Cabri, W.; Candiani, I.; Bedeschi, A.; Santi, R. J. Org. Chem. 1990, 55, 3654-3655. (b) Cabri, W.; Candiani, I.; Bedeschi, A.; Penco, S.; Santi, R. J. Org. Chem. 1992, 57, 1481-1486. For an earlier report of preferential formation of internal arylation products see: (c) Hallberg, A.; Westfelt, L.; Holm, B. J. Org. Chem. 1981, 46, 5414-5415.
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    • For internal arylation of acyclic vinyl ethers see: (a) Cabri, W.; Candiani, I.; Bedeschi, A.; Santi, R. J. Org. Chem. 1990, 55, 3654-3655. (b) Cabri, W.; Candiani, I.; Bedeschi, A.; Penco, S.; Santi, R. J. Org. Chem. 1992, 57, 1481-1486. For an earlier report of preferential formation of internal arylation products see: (c) Hallberg, A.; Westfelt, L.; Holm, B. J. Org. Chem. 1981, 46, 5414-5415.
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    • For internal arylation of acyclic vinyl ethers see: (a) Cabri, W.; Candiani, I.; Bedeschi, A.; Santi, R. J. Org. Chem. 1990, 55, 3654-3655. (b) Cabri, W.; Candiani, I.; Bedeschi, A.; Penco, S.; Santi, R. J. Org. Chem. 1992, 57, 1481-1486. For an earlier report of preferential formation of internal arylation products see: (c) Hallberg, A.; Westfelt, L.; Holm, B. J. Org. Chem. 1981, 46, 5414-5415.
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    • For a somewhat related transformation of organic halides or organic triflates to cyclic hemiacetals see: (a) Mandai, T.; Hasegawa, S.; Fujimoto, T.; Kawada, M.; Nokami, J.; Tsuji, J. Synlett 1990, 85-86. (b) Arcadi, A.; Bernocchi, E.; Cacchi, S.; Marinelli, F. Tetrahedron 1991, 47, 1525-1540.
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    • For a somewhat related transformation of organic halides or organic triflates to cyclic hemiacetals see: (a) Mandai, T.; Hasegawa, S.; Fujimoto, T.; Kawada, M.; Nokami, J.; Tsuji, J. Synlett 1990, 85-86. (b) Arcadi, A.; Bernocchi, E.; Cacchi, S.; Marinelli, F. Tetrahedron 1991, 47, 1525-1540.
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    • note
    • No terminal β-products were detected (GC-MS) in DPPP-controlled arylations of hydroxyalkyl vinyl ethers.
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    • In this case, only a small amount of product 3e was formed (18% isolated yield after 120 h at 80°C).
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    • note
    • The addition of 1.2 equiv of TlOAc to a reaction performed according to entry 1 (Table 1) resulted in a slower formation of 3a (82% isolated yield after 44 h at 80°C).
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    • We are aware of only one additional methodology for selective ketalization of ketones in the presence of aldehydes (reversed chemoselectivity). (a) Kim, S.; Kim, Y. G.; Kim, D. Tetrahedron Lett. 1992, 33, 2565-2566. For a recent example of a selective acetalization of an aromatic aldehyde in the presence of a ketone see: Tateiwa, J.; Horiuchi, H.; Uemura, S. J. Org. Chem. 1995, 60, 4039-4043.
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    • For examples of Pd(II)-oxygen coordination in Heck reactions see: (a) Bernocchi, E.; Cacchi, S.; Ciattini, P. G.; Morera, E.; Ortar, G. Tetrahedron. Lett. 1992, 33, 3073-3076. (b) Jeffery, T. Tetrahedron Lett. 1993, 34, 1133-1136. Kang, S.-K.; Jung, K.-Y.; Park, C.-H.; Namkoong, E.-Y.; Kim, T.-H. Tetrahedron Lett. 1995, 36, 6287-6290. Kang, S.-K.; Lee, H.-W.; Jang, S.-B.; Kim, T.-H.; Pyun, S.-J. J. Org. Chem. 1996, 61, 2604-2605. See also ref 6b.
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    • For examples of Pd(II)-oxygen coordination in Heck reactions see: (a) Bernocchi, E.; Cacchi, S.; Ciattini, P. G.; Morera, E.; Ortar, G. Tetrahedron. Lett. 1992, 33, 3073-3076. (b) Jeffery, T. Tetrahedron Lett. 1993, 34, 1133-1136. Kang, S.-K.; Jung, K.-Y.; Park, C.-H.; Namkoong, E.-Y.; Kim, T.-H. Tetrahedron Lett. 1995, 36, 6287-6290. Kang, S.-K.; Lee, H.-W.; Jang, S.-B.; Kim, T.-H.; Pyun, S.-J. J. Org. Chem. 1996, 61, 2604-2605. See also ref 6b.
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    • See also ref 6b
    • For examples of Pd(II)-oxygen coordination in Heck reactions see: (a) Bernocchi, E.; Cacchi, S.; Ciattini, P. G.; Morera, E.; Ortar, G. Tetrahedron. Lett. 1992, 33, 3073-3076. (b) Jeffery, T. Tetrahedron Lett. 1993, 34, 1133-1136. Kang, S.-K.; Jung, K.-Y.; Park, C.-H.; Namkoong, E.-Y.; Kim, T.-H. Tetrahedron Lett. 1995, 36, 6287-6290. Kang, S.-K.; Lee, H.-W.; Jang, S.-B.; Kim, T.-H.; Pyun, S.-J. J. Org. Chem. 1996, 61, 2604-2605. See also ref 6b.
    • (1996) J. Org. Chem. , vol.61 , pp. 2604-2605
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    • For acid-catalyzed cyclization of hydroxyalkyl vinyl ethers see: (a) McClelland, R. A.; Watada, B.; Lew, C. S. Q. J. Chem. Soc., Perkin Trans. 2 1993, 1723-1727. (b) Deslongchamps, P.; Dory, Y. L.; Li, S. Helv. Chim. Acta 1996, 79, 41-50.
    • (1993) J. Chem. Soc., Perkin Trans. , vol.2 , pp. 1723-1727
    • McClelland, R.A.1    Watada, B.2    Lew, C.S.Q.3
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    • For acid-catalyzed cyclization of hydroxyalkyl vinyl ethers see: (a) McClelland, R. A.; Watada, B.; Lew, C. S. Q. J. Chem. Soc., Perkin Trans. 2 1993, 1723-1727. (b) Deslongchamps, P.; Dory, Y. L.; Li, S. Helv. Chim. Acta 1996, 79, 41-50.
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    • Deslongchamps, P.1    Dory, Y.L.2    Li, S.3
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.