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Volumn 20, Issue 4, 2009, Pages 423-426

Yb(OTf)3-catalyzed synthesis of pyrroles under solvent-free conditions

Author keywords

Diketone; Hydrazide; Pyrroles; Solvent free conditions; Ytterbium (III) triflate

Indexed keywords


EID: 60349118594     PISSN: 10018417     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cclet.2008.12.046     Document Type: Article
Times cited : (12)

References (32)
  • 10
    • 0004267670 scopus 로고
    • Wiley, New York
    • Jones A. Pyrroles (1990), Wiley, New York
    • (1990) Pyrroles
    • Jones, A.1
  • 32
    • 60349107099 scopus 로고    scopus 로고
    • Selected data of 3a: Mp 143 °C; 1H NMR (300 MHz, CDCl3, δ ppm, 8.08 (s, 1 H, 7.77 (s, 1 H, 5.80 (s, 2 H, 5.77 (s, 2 H, 2.13 (s, 6 H, 2.11 (s, 3 H, 2.07 (s, 6 H, 1.71 (s, 3 H, 13C NMR (75 MHz, CDCl3, δ ppm, 175.0, 169.0, 127.5, 104.3, 103.6, 20.3, 18.3, 11.0, 10.8. IR (νmax (KBr, 3243, 3207, 2926, 1678, 1534, 1268, 1012, 751, 670, 571 cm-1. MS (EI) m/z, 152 (M, 65, 109, 94, 48. Elemental analysis calcd. for C8H12N2O: C, 63.13; H, 7.95. Found: C, 63.09; H, 7.97. 3i: Mp 144-146 °C; 1H NMR (300 MHz, CDCl3, δ ppm, 8.69 (s, 1 H, 7.37-6.86 (m, 10 H, 6.23 (d, J, 3.78 Hz, 1H, 6.01 (d, J, 3.24 Hz, 4.67 (s, 2 H, 2.16 (s, 3 H, 13C NMR (75 MHz, CDCl3, δ ppm, 167.2, 156.5, 133.0, 132.9, 130.7, 128.2, 127.7, 127.3, 126.6, 122.3, 114.3, 106.9, 105.7, 66.8, 11.0. IR (νmax KBr
    • 3O: C, 73.63; H, 5.45. Found: C, 73.65; H, 5.43.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.