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Volumn 3, Issue 4, 1991, Pages 242-253

Solid angle as steric parameter of acyclic saturated groups

Author keywords

ester conformation; ester hydrolysis; geometric model; steric effects

Indexed keywords

ESTER;

EID: 0026049604     PISSN: 08990042     EISSN: 1520636X     Source Type: Journal    
DOI: 10.1002/chir.530030406     Document Type: Article
Times cited : (18)

References (73)
  • 8
    • 84989563679 scopus 로고
    • (a) Eliel, E. L., Allinger, N. L., Angyal, S. J., Morrison, G. A., eds. Conformational Analysis. Washington DC
    • (1981)
  • 29
    • 0000213815 scopus 로고
    • Simulation and evaluation of chemical synthesis. Congestion: a conformation-dependent function of steric environment at a reaction center. Application with torsional terms to stereoselectivity of nucleophilic additions to ketones
    • (1976) Journal of the American Chemical Society , vol.98 , pp. 8107
    • Wipke, W.T.1    Gund, P.2
  • 31
    • 84989545055 scopus 로고
    • Numerous papers have reported correlations with the Tolman parameter. See, for example, Milstein, D.U.S.P. 4,581,178
    • (1986)
  • 40
    • 0000540975 scopus 로고
    • ∞” in the most spread‐out conformation of R. b. Atomic size is not necessarily characterized by van der Waals radii. Eg. other atomic size parameters were empirically determined to fit a relationship predicting band lengths
    • (1991) J. Am. Chem. Soc. , vol.113 , pp. 3226
    • O'Keeffe, M.1    Brese, N.E.2
  • 41
    • 84989531805 scopus 로고    scopus 로고
    • w(C) = 1.70 Å (see Ref 30).
  • 42
    • 84989566775 scopus 로고    scopus 로고
    • −) will be communicated.
  • 43
    • 84989566734 scopus 로고    scopus 로고
    • x = 0, when X = P and the α‐atom is the metal (case “m = 0”)
  • 44
    • 84989518996 scopus 로고    scopus 로고
    • x values as additional empirical parameters whih turn out to fit with Eq. (1).
  • 45
    • 84989545044 scopus 로고    scopus 로고
    • x is the radius of the terminal atom X, calculated according to Eq. (1) see text].
  • 48
    • 84989566952 scopus 로고    scopus 로고
    • 3 did not hide the further atoms (see 35).
  • 49
    • 84989522965 scopus 로고    scopus 로고
    • max ≈ 120°. Thus: E(θ) = a/[tan(θ − 120) + b = ‐a tan](θ − 30) + b. For R = Me (E = 0), we can calculate θ(Me) = 29.22°. Consequently: E(θ) = −a[tan(θ − 30) − tan(29.22 − 30)] ≈ −a tan[θ − θ(Me)].
  • 67
    • 84989522999 scopus 로고    scopus 로고
    • 3).
  • 72
    • 84989582384 scopus 로고    scopus 로고
    • Paper in preparation.
  • 73
    • 84989548087 scopus 로고    scopus 로고
    • max.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.