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Volumn 51, Issue 52, 2010, Pages 6882-6885

Richter cyclization and co-cyclization reactions of triazene-masked diazonium ions

Author keywords

Cinnolines; Domino reaction; Richter reaction; Triazenes

Indexed keywords

4 BROMOCINNOLINE; CINNOLINE; CINNOLINONE; DIAZONIUM COMPOUND; INDAZOLE DERIVATIVE; NUCLEOPHILE; SOLVENT; TRIAZENE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 78650678610     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2010.10.122     Document Type: Article
Times cited : (47)

References (33)
  • 5
    • 49049094808 scopus 로고
    • Elderfield, R. C., Ed.; Wiley: New York
    • (e) Jacobs, T. L. In Heterocyclic Compounds; Elderfield, R. C., Ed.; Wiley: New York, 1957; Vol. 6, p 136
    • (1957) Heterocyclic Compounds , vol.6 , pp. 136
    • Jacobs, T.L.1
  • 17
    • 85030582992 scopus 로고    scopus 로고
    • Pub. Online March, Doi 10.1007/s11030-010-9235-8
    • (c) Bui, C. T.; Flynn, B. L. Mol. Divers. Pub. Online March 2010, Doi 10.1007/s11030-010-9235-8.
    • (2010) Mol. Divers.
    • Bui, C.T.1    Flynn, B.L.2
  • 28
    • 85030572594 scopus 로고    scopus 로고
    • For a previous report on the use of H2SO4 in the diazotization of 2- alkynylanilines 1 to give 4-cinnolinones, see Ref. 7f
    • For a previous report on the use of H2SO4 in the diazotization of 2- alkynylanilines 1 to give 4-cinnolinones, see Ref. 7f .
  • 30
    • 85030591114 scopus 로고    scopus 로고
    • note
    • 4, and concentrated under reduced pressure. The crude product was purified by column chromatography over silica gel to give 5.
  • 31
    • 85030573383 scopus 로고    scopus 로고
    • See Supplementary data
    • See Supplementary data.
  • 32
    • 85030578700 scopus 로고    scopus 로고
    • note
    • 2/MeOH 40:1, 20:1, 10:1) to give 18e and 18f. In the case of 18g, the product decomposed during chromatography, giving mostly 16f (hydrolysis). Accordingly, 18g could only be isolated in crude form.
  • 33
    • 85030577421 scopus 로고    scopus 로고
    • Tetrabutylammonium bromide can also be used but co-eluted with a number of products during column chromatography.
    • Tetrabutylammonium bromide can also be used but co-eluted with a number of products during column chromatography.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.