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Volumn 128, Issue 14, 2006, Pages 4598-4611

The effect of carbonyl substitution on the strain energy of small ring compounds and their six-member ring reference compounds

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL BONDS; PARAFFINS; PHOSPHORUS; STRAIN; SULFUR;

EID: 33646034346     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja055086g     Document Type: Article
Times cited : (102)

References (49)
  • 1
    • 4143145258 scopus 로고    scopus 로고
    • For recent discussions of the methods for the calculation of ring strain energies, see: (a) Khoury, P. R.; Goddard, J. D.; Tam, W. Tetrahedron 2004, 60, 8103.
    • (2004) Tetrahedron , vol.60 , pp. 8103
    • Khoury, P.R.1    Goddard, J.D.2    Tam, W.3
  • 15
    • 0035810505 scopus 로고    scopus 로고
    • For a recent critical evaluation of the schemes used to calculate intrinsic bond energies (BE) leading to new estimates of the stabilization of cyclopropane due to C-H bond strengthening, see: Exner, K.; Schleyer, P. v. R. J. Phys. Chem. A 2001, 105, 3407.
    • (2001) J. Phys. Chem. A , vol.105 , pp. 3407
    • Exner, K.1    Schleyer, P.V.R.2
  • 20
    • 33646068907 scopus 로고    scopus 로고
    • note
    • f,298= -47.3 kcal/ mol),9e we estimate an SE for oxiranone (based upon an SE for oxirane of 27.25 kcal/mol) of 39 kcal/mol, in excellent with earlier value suggested by Williams using the MP2/6-311G(d,p) method.
  • 23
    • 0141704726 scopus 로고    scopus 로고
    • Gaussian, Inc.: Pittsburgh, PA, See the Supporting Information for the full list of authors
    • (b) Gaussian 03, revision B.05 (SGI64-G03RevB.05); Gaussian, Inc.: Pittsburgh, PA, 2003. See the Supporting Information for the full list of authors.
    • (2003) Gaussian 03, Revision B.05 (SGI64-G03RevB.05)
  • 26
    • 0002146543 scopus 로고
    • Yarkony, D. R., Ed.; World Scientific: Singapore
    • (c) Schlegel, H. B. In Modern Electronic Structure Theory; Yarkony, D. R., Ed.; World Scientific: Singapore, 1995; p 459.
    • (1995) Modern Electronic Structure Theory , pp. 459
    • Schlegel, H.B.1
  • 31
    • 0020091378 scopus 로고
    • For approaches to calculate these two nonobservable contributors, BE and R, which are not directly measurable for molecules of this type, see: (a) Bader, R. F. W.; Tang, T.-H.; Tal, Y.; Biegler-Konig, F. W. J. Am. Chem. Soc. 1982, 104, 946.
    • (1982) J. Am. Chem. Soc. , vol.104 , pp. 946
    • Bader, R.F.W.1    Tang, T.-H.2    Tal, Y.3    Biegler-Konig, F.W.4
  • 40
    • 0030464437 scopus 로고    scopus 로고
    • 2A″ state), resulting in a stabilization energy of 23.1 kcal/mol (G3) due to electron delocalization in the π system. For a discussion, see: Bach, R. D.; Ayala, P. Y.; Schlegel, H. B. J. Am. Chem. Soc. 1996, 118, 12758.
    • (1996) J. Am. Chem. Soc. , vol.118 , pp. 12758
    • Bach, R.D.1    Ayala, P.Y.2    Schlegel, H.B.3
  • 42
    • 33646061837 scopus 로고    scopus 로고
    • note
    • For a description of the details for cyclization of n-hexane to cyclohexane, see ref 1d. For a series of parameters used for cyclization of a variety of substrates at the G2 level, see ref 6c.
  • 47
    • 33646028664 scopus 로고    scopus 로고
    • note
    • f(298) for 3-pentanone and n-pentane are -61.8 and -35.08 kcal/mol, respectively. The reaction energy is very close to that reported in ref 9a (15.5 kcal/mol) based upon a similar exercise.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.