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Volumn 74, Issue 15, 2009, Pages 5395-5404

Reactivity of allenylphosphonates toward salicylaldehydes and activated phenols: Facile synthesis of chromenes and substituted butadienes

Author keywords

[No Author keywords available]

Indexed keywords

ADDITION PRODUCTS; ALLENYLPHOSPHONATE; CHEMICAL EQUATIONS; CHROMENES; FACILE SYNTHESIS; GOOD YIELD; HORNER-WADSWORTH-EMMONS REACTION; INTERCONVERSION; NMR SPECTROSCOPY; ORGANOCATALYST; P-C BOND CLEAVAGE; PEG-400; PHOSPHONATES; REACTION CONDITIONS; SALICYL ALDEHYDE; SINGLE CRYSTAL X-RAY CRYSTALLOGRAPHY; THEORETICAL CALCULATIONS;

EID: 68049101356     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo900896v     Document Type: Article
Times cited : (57)

References (95)
  • 1
    • 0036126987 scopus 로고    scopus 로고
    • Selected recent reviews: (a) Bates, R. W.; Satcharoen, V. Chem. Soc. Rev. 2002, 31, 12.
    • Selected recent reviews: (a) Bates, R. W.; Satcharoen, V. Chem. Soc. Rev. 2002, 31, 12.
  • 5
    • 22944485617 scopus 로고    scopus 로고
    • (e) Ma, S. Chem. Rev. 2005, 105, 2829.
    • (2005) Chem. Rev , vol.105 , pp. 2829
    • Ma, S.1
  • 10
    • 53849119893 scopus 로고    scopus 로고
    • Some recent references (2008): (a) Guo, H.; Qian, R.; Guo, Y.; Ma, S. J. Org. Chem. 2008, 73, 7934.
    • Some recent references (2008): (a) Guo, H.; Qian, R.; Guo, Y.; Ma, S. J. Org. Chem. 2008, 73, 7934.
  • 33
    • 4544276732 scopus 로고    scopus 로고
    • Biological activity: (a) Hoffmann-Röder, A.; Krause, N. Angew. Chem., Int. Ed. 2004, 43, 1196.
    • Biological activity: (a) Hoffmann-Röder, A.; Krause, N. Angew. Chem., Int. Ed. 2004, 43, 1196.
  • 34
    • 4544320494 scopus 로고    scopus 로고
    • Krause, N, Hashmi, A. S. K, Eds, Wiley-VCH: Weinheim
    • (b) Krause, N., Hashmi, A. S. K., Eds.; Modern Allene Chemistry; Wiley-VCH: Weinheim, 2004.
    • (2004) Modern Allene Chemistry
  • 68
    • 0034075324 scopus 로고    scopus 로고
    • Selected references on the utility of organophosphonates: (a) Iorga, B.; Eymery, F.; Savignac, P. Synthesis 2000, 576.
    • Selected references on the utility of organophosphonates: (a) Iorga, B.; Eymery, F.; Savignac, P. Synthesis 2000, 576.
  • 87
    • 68049102646 scopus 로고    scopus 로고
    • In the reactions using 5-chlorosalicylaldehyde and 2-hydroxy acetophenone, although reaction mixture showed products similar to 19 as the major components, we were able to isolate only the chromenes I and II, probably because of the ease of dehydration, Chemical Equation Presented
    • In the reactions using 5-chlorosalicylaldehyde and 2-hydroxy acetophenone, although reaction mixture showed products similar to 19 as the major components, we were able to isolate only the chromenes I and II, probably because of the ease of dehydration. (Chemical Equation Presented)
  • 91
    • 68049106798 scopus 로고    scopus 로고
    • A small quantity of (Z)-chromenol (III) could also be isolated from the reaction performed at the lower temperature of 80°C using 9d, salicylaldehyde, and DBU as the base. At higher temperatures we could not detect this compound. (Chemical Equation Presented)
    • A small quantity of (Z)-chromenol (III) could also be isolated from the reaction performed at the lower temperature of 80°C using 9d, salicylaldehyde, and DBU as the base. At higher temperatures we could not detect this compound. (Chemical Equation Presented)
  • 92
    • 68049099712 scopus 로고    scopus 로고
    • 1H NMR δ 1.71 (s, 3H), 1.79 (s, 3H), 6.19 (d, J = 8.0 Hz, 1H), 6.37 (d, J = 8.0 Hz, 1H), 6.75-7.06 (m, 4H)].
    • 1H NMR δ 1.71 (s, 3H), 1.79 (s, 3H), 6.19 (d, J = 8.0 Hz, 1H), 6.37 (d, J = 8.0 Hz, 1H), 6.75-7.06 (m, 4H)].
  • 95
    • 0032546126 scopus 로고    scopus 로고
    • The allenylphosphonate complex IV reacts smoothly with salicylaldehyde in the presence of sodium hydride to give chromene (V) by internal HWE reaction in good yield as a crystalline solid. See: Müller, T. J. J; Ansorge, M. Tetrahedron 1998, 54, 1457, Chemical Equation Presented
    • The allenylphosphonate complex IV reacts smoothly with salicylaldehyde in the presence of sodium hydride to give chromene (V) by internal HWE reaction in good yield as a crystalline solid. See: Müller, T. J. J; Ansorge, M. Tetrahedron 1998, 54, 1457. (Chemical Equation Presented)


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.