메뉴 건너뛰기




Volumn , Issue 7, 1996, Pages 1055-1081

Extremely strong, uncharged auxiliary bases; monomeric and polymer-supported polyaminophosphazenes (P2-P5)

Author keywords

Deprotonation; Hindered bases; Phosphazene bases; Polymer supported bases; Uncharged auxiliary bases

Indexed keywords


EID: 33749144042     PISSN: 09473440     EISSN: None     Source Type: Journal    
DOI: 10.1002/jlac.199619960705     Document Type: Article
Times cited : (355)

References (152)
  • 23
    • 33749118940 scopus 로고
    • J. Gen. Chem. (USSR) 1984, 54, 2405-2409.
    • (1984) J. Gen. Chem. (USSR) , vol.54 , pp. 2405-2409
  • 45
    • 2342618115 scopus 로고
    • WO 93/18001, 1993
    • [14n] T. F. Braish (Pfizer Inc.), WO 93/18001, 1993 [Chem. Abstr. 1994, 120, 54448s].
    • (1994) Chem. Abstr. , vol.120
    • Braish, T.F.1
  • 46
  • 47
    • 33749157861 scopus 로고    scopus 로고
    • A number of these bases are commercially available by Fluka Chemie AG, Switzerland
    • [14p] A number of these bases are commercially available by Fluka Chemie AG, Switzerland.
  • 50
  • 56
    • 3142649251 scopus 로고
    • J. Gen. Chem. (USSR) 1982, 52, 1779-1787.
    • (1982) J. Gen. Chem. (USSR) , vol.52 , pp. 1779-1787
  • 64
    • 33749128989 scopus 로고
    • J. Gen. Chem. (USSR) 1988, 58, 1985-1992.
    • (1988) J. Gen. Chem. (USSR) , vol.58 , pp. 1985-1992
  • 71
    • 33749128340 scopus 로고    scopus 로고
    • Commercially available by Fluka Chemie AG, Switzerland
    • Commercially available by Fluka Chemie AG, Switzerland.
  • 75
    • 33749126364 scopus 로고
    • J. Gen. Chem. (USSR) 1976, 46, 2557-2560.
    • (1976) J. Gen. Chem. (USSR) , vol.46 , pp. 2557-2560
  • 77
    • 33749134650 scopus 로고
    • Synthesis 1979, 811-813.
    • (1979) Synthesis , pp. 811-813
  • 79
    • 0026985233 scopus 로고
    • a polymeric base derived from MTBD is commercially available from Fluka Chemie AG, Switzerland
    • [28b] K. Iijima, W. Fukuda, M. Tomoi, J. Macromol. Sci., Pure Appl. Chem. 1992, A 29, 249-261; a polymeric base derived from MTBD is commercially available from Fluka Chemie AG, Switzerland.
    • (1992) J. Macromol. Sci., Pure Appl. Chem. , vol.29 A , pp. 249-261
    • Iijima, K.1    Fukuda, W.2    Tomoi, M.3
  • 80
    • 85085781559 scopus 로고    scopus 로고
    • note
    • [1b]. We feel that the term "sponge" fits better to an insoluble material.
  • 81
    • 33749143456 scopus 로고
    • commercially available by Fluka Chemie AG, Switzerland
    • "Reagent of the Year" 1992; commercially available by Fluka Chemie AG, Switzerland.
    • (1992) Reagent of the Year
  • 84
    • 3042988525 scopus 로고
    • [34] for NH hydrogen gave better results than the corresponding MM2 parameters and were therefore also applied for the phosphazene systems.
    • [34] for NH hydrogen gave better results than the corresponding MM2 parameters and were therefore also applied for the phosphazene systems.
    • (1977) J. Am. Chem. Soc. , vol.99 , pp. 8127-8134
    • Allinger, N.L.1
  • 86
    • 33749120332 scopus 로고    scopus 로고
    • unpublished results
    • M. Keller, R. Link, unpublished results. Unfortunately, the quality of the structure was not sufficient to justify a presentation within this paper.
    • Keller, M.1    Link, R.2
  • 92
    • 33749149278 scopus 로고    scopus 로고
    • Semiempirical and ab initio calculations on proton affinities of phosphazene bases are on the way: I. A. Koppel, R. W. Taft, R. Kurg, T. Rodima, R. Schwesinger
    • Semiempirical and ab initio calculations on proton affinities of phosphazene bases are on the way: I. A. Koppel, R. W. Taft, R. Kurg, T. Rodima, R. Schwesinger.
  • 94
    • 33749152355 scopus 로고
    • Ph. D. Thesis, University of Freiburg
    • C. Hasenfratz, Ph. D. Thesis, University of Freiburg, 1995.
    • (1995)
    • Hasenfratz, C.1
  • 99
    • 85085780747 scopus 로고    scopus 로고
    • note
    • [45] employing the hexafluorophosphate salts.
  • 101
    • 85085780711 scopus 로고    scopus 로고
    • note
    • [9,17].
  • 102
    • 85085782019 scopus 로고    scopus 로고
    • note
    • [9,17,18].
  • 103
    • 85085781016 scopus 로고    scopus 로고
    • note
    • [43] from measurements in benzene or fluorobenzene by UV/Vis-spectroscopically controlled deprotonation of triphenylmethane, 9-phenylxanthene, or tetraphenylporphyrine; details will be published elsewhere.
  • 104
    • 85085782498 scopus 로고    scopus 로고
    • note
    • [50].
  • 107
    • 0001475343 scopus 로고
    • For a discussion of resonance saturation in conjugated hydrocarbon anions see: M. Tolbert, M. E. Ogle, J. Am. Chem. Soc. 1990, 112, 9519-9527.
    • (1990) J. Am. Chem. Soc. , vol.112 , pp. 9519-9527
    • Tolbert, M.1    Ogle, M.E.2
  • 110
    • 33749144322 scopus 로고    scopus 로고
    • note
    • [17]. The value for methyl phenyl sulfoxide has been extrapolated from the values for DMSO and for the corresponding sulfones.
  • 120
  • 132
  • 150
    • 85085781592 scopus 로고    scopus 로고
    • note
    • 6), the names of the authors, and the journal citation.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.