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Volumn 61, Issue 42, 2005, Pages 9955-9960

Synthesis of azaphenanthridines via anionic ring closure

Author keywords

Anionic ring closure; Lithiation; Pyridines

Indexed keywords

6 MORPHOLINO 10 AZAPHENANTHRIDINE; 6 MORPHOLINO 7 AZAPHENANTHRIDINE; 6 MORPHOLINO 8 AZAPHENANTHRIDINE; 6 MORPHOLINO 9 AZAPHENANTHRIDINE; PHENANTHRIDINE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 24944474804     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tet.2005.08.051     Document Type: Article
Times cited : (27)

References (24)
  • 13
    • 24944462196 scopus 로고    scopus 로고
    • note
    • When 4a was heated in neat morpholine at 225°C for 1 h, 6 was produced in 78% isolated yield, see Section 4 for details.
  • 17
    • 0037184766 scopus 로고    scopus 로고
    • At that time there was only a single report in the in the literature describing an unselective ortho-lithiation of 3-cyanopyridine: A.A. Pletnev, Q. Tian, and R.C. Larock J. Org. Chem. 67 2002 9276
    • (2002) J. Org. Chem. , vol.67 , pp. 9276
    • Pletnev, A.A.1    Tian, Q.2    Larock, R.C.3
  • 19
    • 0037244546 scopus 로고    scopus 로고
    • For a recent review of heterocyclic boronic acids see: E. Tyrrell, and P. Brookes Synthesis 4 2004 469
    • (2004) Synthesis , vol.4 , pp. 469
    • Tyrrell, E.1    Brookes, P.2
  • 20
    • 0348048805 scopus 로고    scopus 로고
    • Recently the addition of CuI was reported to be crucial in the coupling of other pyridylboronic derivatives: (a) P.B. Hodgson, and F.H. Salingue Tetrahedron Lett. 45 2004 685
    • (2004) Tetrahedron Lett. , vol.45 , pp. 685
    • Hodgson, P.B.1    Salingue, F.H.2
  • 23
    • 24944435731 scopus 로고    scopus 로고
    • note
    • Alternative synthesis of 7 from 3-bromo-2-chloropyridine, see Section 4 for details.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.