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Volumn , Issue 16, 2011, Pages 2567-2578

Palladium-catalyzed construction of polycyclic heterocycles by an alkyne insertion and direct arylation cascade

Author keywords

fused ring systems; palladium; polycycles; ring closure; tandem reaction

Indexed keywords

ALKYNE INSERTIONS; ARYL GROUP; ARYLATIONS; CASCADE CYCLIZATION; CASCADE REACTIONS; CATALYTIC AMOUNTS; CESIUM CARBONATES; FUSED-RING SYSTEM; GOOD YIELD; HETEROARENES; HETEROCYCLES; PALLADIUM ACETATE; POLYCYCLES; RING CLOSURES; TANDEM REACTION; THIOPHENE RING;

EID: 80051550540     PISSN: 00397881     EISSN: 1437210X     Source Type: Journal    
DOI: 10.1055/s-0030-1260098     Document Type: Article
Times cited : (11)

References (44)
  • 1
    • 7044235263 scopus 로고    scopus 로고
    • For recent reviews on cascade reactions, see:, Tietze L F., Chem. Rev. 1996 96 115
    • (1996) Chem. Rev. , vol.96 , pp. 115
    • Tietze, L.F.1
  • 24
    • 80051545237 scopus 로고    scopus 로고
    • For reactions including alkyne insertion and C-H activation
    • For reactions including alkyne insertion and C-H activation, see
  • 35
    • 23944434406 scopus 로고    scopus 로고
    • A portion of this study (Table 1, Table 2: entries 2, 3, 6, 11, 12; Table 4: entries 1 and 7) has already been reported in a preliminary communication, see:, Ohno H, Yamamoto M, Iuchi M, Tanaka T, Angew. Chem. Int. Ed. 2005 44 5103
    • (2005) Angew. Chem. Int. Ed. , vol.44 , pp. 5103
    • Ohno, H.1    Yamamoto, M.2    Iuchi, M.3    Tanaka, T.4
  • 39
    • 80051548198 scopus 로고    scopus 로고
    • 3 (2 equiv) as the base stereoselectively gave the monocyclic product 13b in 94% yield (Scheme 4). Scheme 4
    • 3 (2 equiv) as the base stereoselectively gave the monocyclic product 13b in 94% yield (Scheme 4). Scheme 4.
  • 40
    • 80051544305 scopus 로고    scopus 로고
    • A similar result was obtained with malonate congener 19c, which produced diyne 21 in 69% yield (Scheme 5). Scheme 5
    • A similar result was obtained with malonate congener 19c, which produced diyne 21 in 69% yield (Scheme 5). Scheme 5.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.