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Volumn 133, Issue 8, 2011, Pages 2342-2345

Oxyallyl Exposed: An Open-Shell Singlet with Picosecond Lifetimes in Solution but Persistent in Crystals of a Cyclobutanedione Precursor

Author keywords

[No Author keywords available]

Indexed keywords

BASIS SETS; CAS-SCF; COUPLED-CLUSTER CALCULATIONS; CRYSTALLINE SOLIDS; DECARBONYLATIONS; DEEP BLUE; ELECTRONIC SPECTRUM; FEMTOSECOND PUMPS; MULTI REFERENCE; OPEN-SHELL; PHOTO-INDUCED; PICOSECONDS;

EID: 79952266044     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja109494b     Document Type: Article
Times cited : (25)

References (51)
  • 23
    • 58149198771 scopus 로고    scopus 로고
    • Reactive Intermediates in Crystals: Form and Function
    • Platz M.S. Jones M. Moss R. Eds.; Wiley: Hoboken, NJ.
    • Campos, L. M.; Garcia-Garibay, M. A. Reactive Intermediates in Crystals: Form and Function. In Reactive Intermediates; Platz, M. S.; Jones, M.; Moss, R., Eds.; Wiley: Hoboken, NJ, 2007.
    • (2007) Reactive Intermediates
    • Campos, L.M.1    Garcia-Garibay, M.A.2
  • 28
    • 0346398382 scopus 로고
    • Irradiation of lumisantonin at 77 K results in a similar transient that could be assigned to oxyallyl: Fisch, M. H.; Richards, J. H. J. Am. Chem. Soc. 1968, 90, 1547
    • (1968) J. Am. Chem. Soc. , vol.90 , pp. 1547
    • Fisch, M.H.1    Richards, J.H.2
  • 29
    • 34247235883 scopus 로고
    • and ref 11a
    • Generation of 2 by irradiation of dione 1 in neat furan gave both alkene 5 (95%) and 6 (5%). Examples involving sterically hindered oxyallyl show that it can be untrappable. Greene, F. D.; Sclove, D. B.; Pazos, J. F.; Camp, R. L. J. Am. Chem. Soc. 1970, 92, 7488 and ref 11a
    • (1970) J. Am. Chem. Soc. , vol.92 , pp. 7488
    • Greene, F.D.1    Sclove, D.B.2    Pazos, J.F.3    Camp, R.L.4
  • 36
    • 84893169025 scopus 로고
    • All CASSCF structures were optimized using GAMESS 2009 (R1): Schmidt, M. W. J. Comput. Chem. 1993, 14, 1347
    • (1993) J. Comput. Chem. , vol.14 , pp. 1347
    • Schmidt, M.W.1
  • 37
    • 79952267868 scopus 로고    scopus 로고
    • See Supporting Information for analysis of the singlet biradical in crystals.
    • See Supporting Information for analysis of the singlet biradical in crystals.
  • 46
    • 0038626673 scopus 로고    scopus 로고
    • These calculations were carried out using UB3LYP/6-31+G(d) as implemented in Gaussian 03:, revision C.02; Gaussian, Inc.: Wallingford, CT.
    • These calculations were carried out using UB3LYP/6-31+G(d) as implemented in Gaussian 03: Frisch, M. J. Gaussian 03, revision C.02; Gaussian, Inc.: Wallingford, CT, 2004.
    • (2004) Gaussian 03
    • Frisch, M.J.1
  • 47
    • 79952273555 scopus 로고    scopus 로고
    • An applied scaling factor of 0.971 was obtained from calculations with 2,4-dimethyl-3-pentanone as a model. See Supporting Information for details.
    • An applied scaling factor of 0.971 was obtained from calculations with 2,4-dimethyl-3-pentanone as a model. See Supporting Information for details.
  • 49
    • 79952258730 scopus 로고    scopus 로고
    • ex = 530 nm were hampered by concomitant photobleaching.
    • ex = 530 nm were hampered by concomitant photobleaching.
  • 51
    • 79952257792 scopus 로고    scopus 로고
    • Diffraction data from a crystal of diketone 1 were solved in the space group Cmca (a = 9.922, b = 6.689, and c = 18.285 Å, α = β = γ = 90°).
    • Diffraction data from a crystal of diketone 1 were solved in the space group Cmca (a = 9.922, b = 6.689, and c = 18.285 Å, α = β = γ = 90°).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.