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Volumn 128, Issue 11, 2006, Pages 3789-3799

Molecular wires comprising π-extended ethynyl- and butadiynyl-2,5- diphenyl-1,3,4-oxadiazole derivatives: Synthesis, redox, structural, and optoelectronic properties

Author keywords

[No Author keywords available]

Indexed keywords

BUTADIENE; CRYSTAL STRUCTURE; CRYSTALLOGRAPHY; CYCLIC VOLTAMMETRY; SYNTHESIS (CHEMICAL); X RAYS;

EID: 33645386777     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja0577600     Document Type: Article
Times cited : (106)

References (80)
  • 1
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    • Trost B. M., Fleming, I., Eds.; Pergamon Press: Oxford
    • (a) Sonogashira, K. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Eds.; Pergamon Press: Oxford, 1991; vol. 3, p 521.
    • (1991) Comprehensive Organic Synthesis , vol.3 , pp. 521
    • Sonogashira, K.1
  • 45
    • 0034676530 scopus 로고    scopus 로고
    • Unsymmetrically substituted 1,3-buladiynes have been efficiently synthesized via Pd-catalyzed cross-coupling of 1,3-diynylzines (Negishi, E.; Hata, M.; Xu, C. Org. Lett. 2000, 2, 3687)
    • (2000) Org. Lett. , vol.2 , pp. 3687
    • Negishi, E.1    Hata, M.2    Xu, C.3
  • 50
    • 0003865998 scopus 로고    scopus 로고
    • Hypercube, Inc.
    • -1) indicated that 4a had the smallest net charge (-0.148) on the terminal sp carbon atom, compared with those of 4-fluorophenylacetylene (-0.157). TMSA (-0.198), and 4-(phenylethynyl) phenylacetylene (-0.163): i.e., 4a was the most acidic of these four compounds.
    • (2000) HyperChem, Version 6.03
  • 51
    • 0000122004 scopus 로고    scopus 로고
    • We make this comparison because the less acidic TMSA (Lewis, J.; Raithby, P. R.; Wong, W.-Y. J. Organomet. Chem. 1998, 556, 219), 4- fluorophenylacetylene, and 4-(phenylethynyl)phenylacetylene have been cross-coupled with 2,7-dibromofluorenone under similar conditions,
    • (1998) J. Organomet. Chem. , vol.556 , pp. 219
    • Lewis, J.1    Raithby, P.R.2    Wong, W.-Y.3
  • 52
    • 0034086555 scopus 로고    scopus 로고
    • (Ipaktschi, J.; Hosseinzadeh, R.; Schlaf, P.; Eckert, T. Helv. Chim. Acta 2000, 83, 1224). In addition, the acetylides of 4 and the diacetylides of 8 were less reactive to nucleophilic reactions with ketones and aldehydes than were standard alkyl and aryl acetylenes, which may also be because of the higher acidity of these OXD acetylenes (hence lower nucleophilicity of their derived acetylides).
    • (2000) Helv. Chim. Acta , vol.83 , pp. 1224
    • Ipaktschi, J.1    Hosseinzadeh, R.2    Schlaf, P.3    Eckert, T.4
  • 53
    • 1842534269 scopus 로고    scopus 로고
    • (Kreher, D.; Batsanov, A. S.; Wang, C.; Bryce, M. R. Org. Biomol. Chem. 2004, 2, 858). Self-coupling of 8a, in the absence of an aromatic halide, gave the tetrayne analogue of 9 in 40% yield: details will be published separately.
    • (2004) Org. Biomol. Chem. , vol.2 , pp. 858
    • Kreher, D.1    Batsanov, A.S.2    Wang, C.3    Bryce, M.R.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.