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Volumn , Issue 4, 2011, Pages 517-520

Electrophilic cyclization of buta-1,3-diynylarenes: Synthesis of precursors of (z)-3-ene-1,5-diyne systems fused to heterocycles

Author keywords

alkynes; electrophilic cyclization; enediynes; heterocycles

Indexed keywords

2 ETHYNYL 3 IODO BENZOTHIOPHENE DERIVATIVE; BENZOFURAN DERIVATIVE; BENZOTHIOPHENE DERIVATIVE; BUTA 1,3 DIYNYL ARENE DERIVATIVE; FUSED HETEROCYCLIC RINGS; INDOLE DERIVATIVE; POLYCYCLIC AROMATIC HYDROCARBON DERIVATIVE; UNCLASSIFIED DRUG;

EID: 79951853317     PISSN: 09365214     EISSN: 14372096     Source Type: Journal    
DOI: 10.1055/s-0030-1259547     Document Type: Article
Times cited : (24)

References (52)
  • 1
    • 84890980591 scopus 로고    scopus 로고
    • Diederich, F.; Stang, P. J.; Tykwinski, R. R., Eds.; Wiley-VCH: Weinheim
    • (a) Larock, R. C. In Acetylene Chemistry; Diederich, F.; Stang, P. J.; Tykwinski, R. R., Eds.; Wiley-VCH: Weinheim, 2005, 51-99.
    • (2005) Acetylene Chemistry , pp. 51-99
    • Larock, R.C.1
  • 2
    • 77949291633 scopus 로고    scopus 로고
    • and references cited therein
    • (b) Mehta, S.; Larock, R. C. J. Org. Chem. 2010, 75, 1652; and references cited therein.
    • (2010) J. Org. Chem. , vol.75 , pp. 1652
    • Mehta, S.1    Larock, R.C.2
  • 41
    • 79951855821 scopus 로고    scopus 로고
    • note
    • 3, 400 MHz, TMS as reference).
  • 44
    • 79951857623 scopus 로고    scopus 로고
    • note
    • It was determined by TLC that O-benzyl-2-(dodeca-1,3- diynyl)phenol reacts with ICl in MeCN in similar way giving benzofuran 3i with iodochlorinated triple bond.
  • 49
    • 79951854021 scopus 로고    scopus 로고
    • note
    • 4, and concentrated under reduced pressure to yield the crude product, which was purified by column chromatography on silica gel using pentane (for 2a,b,d,e,g) or cyclohexane-EtOAc (2c,f) as the eluent.
  • 50
    • 79951857993 scopus 로고    scopus 로고
    • note
    • 9OSI: C, 43.92; H, 2.76; S, 9.77. Found: C, 43.85; H, 2.69; S, 9.61.
  • 51
    • 79951853265 scopus 로고    scopus 로고
    • note
    • 4, and concentrated under reduced pressure to yield the crude product, which was purified by column chromatography on silica gel using pentane (for 4a,c,d,h,i) or cyclohexane-EtOAc (for 4b,e-g) as the eluent.
  • 52
    • 79951857856 scopus 로고    scopus 로고
    • note
    • 18OSSi: 298.0848; found: 298.0845.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.