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Volumn 73, Issue 3, 2008, Pages 931-939

A regioselective approach to trisubstituted 2 (or 6)-arylaminopyrimidine-5- carbaldehydes and their application in the synthesis of structurally and electronically unique G∧C base precursors

Author keywords

[No Author keywords available]

Indexed keywords

PHASE TRANSFER CATALYSIS; REGIOSELECTIVE SYNTHESIS; TRICHLOROPYRIMIDINE;

EID: 38849118431     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo7021422     Document Type: Article
Times cited : (33)

References (73)
  • 2
    • 84934875775 scopus 로고    scopus 로고
    • Brown, D. J. The Chemistry of Heterocyclic Compounds; 16, The Pyrimidines; Weissberger, A., Ed.; Wiley-Interscience: New York, 1970.
    • (b) Brown, D. J. The Chemistry of Heterocyclic Compounds; Vol. 16, The Pyrimidines; Weissberger, A., Ed.; Wiley-Interscience: New York, 1970.
  • 7
    • 38849120130 scopus 로고    scopus 로고
    • U.S. Patent 6,156,755
    • Geisen, K. U.S. Patent 6,156,755, 2000.
    • (2000)
    • Geisen, K.1
  • 51
    • 0001776104 scopus 로고    scopus 로고
    • Chiral Phase-Transfer Catalysis
    • Sasson, Y, Neumann, R, Eds, Blackie: London, UK, Chapter 14
    • (c) Shioiri, T. Chiral Phase-Transfer Catalysis. In Handbook of Phase-Transfer Catalysis; Sasson, Y., Neumann, R., Eds.; Blackie: London, UK, 1997, Chapter 14.
    • (1997) Handbook of Phase-Transfer Catalysis
    • Shioiri, T.1
  • 62
    • 38849097461 scopus 로고    scopus 로고
    • For examples of using KHCO3 as a base in PTC see: (a) Kiser, E. J. PCT Int. Appl WO 136910, A1, 2006
    • 3 as a base in PTC see: (a) Kiser, E. J. PCT Int. Appl WO 136910, A1, 2006.
  • 63
    • 38849120129 scopus 로고    scopus 로고
    • Perlman, N.; Gilboa, E. PTC INT. Appl. WO 044648, A1, 2006.
    • (b) Perlman, N.; Gilboa, E. PTC INT. Appl. WO 044648, A1, 2006.
  • 65
    • 38849173469 scopus 로고    scopus 로고
    • NAr reaction since a negative charge can be delocalized on the two nitrogen atoms in the ring. Position 4, alternatively, is less reactive since there is little directing effect from the aldehyde group as it is already hydrogen bonded to the amine hydrogen at position 6.
    • NAr reaction since a negative charge can be delocalized on the two nitrogen atoms in the ring. Position 4, alternatively, is less reactive since there is little directing effect from the aldehyde group as it is already hydrogen bonded to the amine hydrogen at position 6.
  • 66
    • 38849192148 scopus 로고    scopus 로고
    • The disubstituted product, 4-chloro-2,6-bis(methylamino)pyrimidine-5- carbaldehyde, was isolated in 76% yield
    • The disubstituted product, 4-chloro-2,6-bis(methylamino)pyrimidine-5- carbaldehyde, was isolated in 76% yield.
  • 68
    • 38849083699 scopus 로고    scopus 로고
    • 1H NMR and ESI-mass spectral data strongly suggest the bicyclic product analogous to 24a-c.
    • 1H NMR and ESI-mass spectral data strongly suggest the bicyclic product analogous to 24a-c.
  • 69
    • 0346786657 scopus 로고    scopus 로고
    • For reviews see: a
    • For reviews see: (a) Suzuki, A. J. Organomet. Chem. 1999, 576, 147-168.
    • (1999) J. Organomet. Chem , vol.576 , pp. 147-168
    • Suzuki, A.1
  • 72
    • 38849131064 scopus 로고    scopus 로고
    • Diederich, F, Stang, P. J, Eds, Wiley-VCH: New York, Chapter 2
    • (d) Suzuki, A. Metal-Catalyzed Cross-Coupling Reactions; Diederich, F., Stang, P. J., Eds.; Wiley-VCH: New York, 1998; Chapter 2.
    • (1998) Metal-Catalyzed Cross-Coupling Reactions
    • Suzuki, A.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.