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Volumn 37, Issue 7, 2008, Pages 784-785

Synthesis and properties of cyclic [5]meta-phenyleneacetylene and its corresponding cyclophane polyone, [25](1,3)cyclophanedecaone

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EID: 49149107418     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2008.784     Document Type: Article
Times cited : (11)

References (27)
  • 1
    • 0000963686 scopus 로고    scopus 로고
    • For reviews of PAMs, see: a
    • For reviews of PAMs, see: a) J. S. Moore, Ace. Chem. Res. 1997, 30, 402.
    • (1997) Ace. Chem. Res , vol.30 , pp. 402
    • Moore, J.S.1
  • 5
    • 0001038640 scopus 로고
    • For reviews of cyclic polyketones, see: a
    • For reviews of cyclic polyketones, see: a) M. B. Rubin, Chem. Rev. 1975, 75, 177.
    • (1975) Chem. Rev , vol.75 , pp. 177
    • Rubin, M.B.1
  • 11
    • 49149118282 scopus 로고    scopus 로고
    • 1c
    • 1c
  • 12
    • 49149113760 scopus 로고    scopus 로고
    • For the synthesis of 3-8, see Supporting Information which is available electronically on the CSJ-Journal Web site; http://www.csj.jp/journals/chem- lett/.
    • For the synthesis of 3-8, see Supporting Information which is available electronically on the CSJ-Journal Web site; http://www.csj.jp/journals/chem- lett/.
  • 17
    • 49149097457 scopus 로고    scopus 로고
    • For the absorption and emission data of 3 and related compounds, see Supporting Information.
    • For the absorption and emission data of 3 and related compounds, see Supporting Information.
  • 18
    • 0029769640 scopus 로고    scopus 로고
    • For [4]CMPA (4PAM), see: T. Kawase, N. Ueda, H. R. Darabi, M. Oda, Angew. Chem., Int. Ed. Engl. 1996, 35, 1556.
    • For [4]CMPA (4PAM), see: T. Kawase, N. Ueda, H. R. Darabi, M. Oda, Angew. Chem., Int. Ed. Engl. 1996, 35, 1556.
  • 19
    • 85065249692 scopus 로고    scopus 로고
    • For [6]CMPA (6PAM), see: a) H. A. Staab, K. Neunhoeffer, Synthesis 1974, 424.
    • For [6]CMPA (6PAM), see: a) H. A. Staab, K. Neunhoeffer, Synthesis 1974, 424.
  • 23
    • 0000766630 scopus 로고    scopus 로고
    • The n-π* transitions of benzil and related α-diketones vary in position with a change in the dihedral angle between the carbonyl groups, and a twisted conformation with a dihedral angle of 90° between two carbonyl groups results in the shortest absorption maximum. In contrast, s-trans-α-diketones have a pronounced conjugation, indicating a bathochromic shift: N. J. Leonard, A. J. Kresge, M. Oki, J. Am. Chem. Soc. 1955, 77, 5078, and references cited therein
    • The n-π* transitions of benzil and related α-diketones vary in position with a change in the dihedral angle between the carbonyl groups, and a twisted conformation with a dihedral angle of 90° between two carbonyl groups results in the shortest absorption maximum. In contrast, s-trans-α-diketones have a pronounced conjugation, indicating a bathochromic shift: N. J. Leonard, A. J. Kresge, M. Oki, J. Am. Chem. Soc. 1955, 77, 5078, and references cited therein.
  • 24
    • 49149091535 scopus 로고    scopus 로고
    • Crystal data for 4: formula C40H20O2; fw 532.59; crystal system, monoclinic; space group, P21/n, 14, a, 12.866(2, b, 12.488(3, c, 18.245(3)Å; β, 106.76(1)°; V, 2797.9(5)Å3; Z, 4; Dc, 1.264g cm-3; number of observation (1 > 3.00σ1, 2θ < 54.99°, 3150; R1 =0.045, WA2 =0.1697. Crystallographic data for 4 and 913 have been deposited with Cambridge Crystallographic Data Centre as supplementary publication no CCDC 299150 and CCDC 688483, respectively
    • 13 have been deposited with Cambridge Crystallographic Data Centre as supplementary publication no CCDC 299150 and CCDC 688483, respectively.
  • 25
    • 49149113262 scopus 로고    scopus 로고
    • For the structure and special data of 9, see Supporting Information.
    • For the structure and special data of 9, see Supporting Information.
  • 26
    • 49149123471 scopus 로고    scopus 로고
    • For the MO calculations of 5, see Supporting Information.
    • For the MO calculations of 5, see Supporting Information.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.