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Volumn 133, Issue 21, 2011, Pages 8335-8343

The need for enzymatic steering in abietic acid biosynthesis: Gas-phase chemical dynamics simulations of carbocation rearrangements on a bifurcating potential energy surface

Author keywords

[No Author keywords available]

Indexed keywords

ABIETADIENE; CARBOCATIONS; CHEMICAL DYNAMICS; COMPLEX PROCESSES; DIPHOSPHATES; DIRECT DYNAMICS; ELECTRONIC STRUCTURE CALCULATIONS; GASPHASE; GERANYLGERANYL DIPHOSPHATE; METHYL GROUP; MOLECULAR ARCHITECTURE; PINE RESIN; REACTION PATHWAYS; SYNTHASES; TRANSITION STATE STRUCTURE; TWO-PRODUCT;

EID: 79957762465     PISSN: 00027863     EISSN: 15205126     Source Type: Journal    
DOI: 10.1021/ja201730y     Document Type: Article
Times cited : (72)

References (102)
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    • Numbering of abietic acid adopted from ref 3a
    • Numbering of abietic acid adopted from ref 3a.
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    • The 6-31+G(d,p) basis set is not standard in NWChem; it was generated as a composite of the 6-31G(d,p) and the diffuse function from 6-31+G(d) as acquired from the EMSL basis set exchange
    • The 6-31+G(d,p) basis set is not standard in NWChem; it was generated as a composite of the 6-31G(d,p) and the diffuse function from 6-31+G(d) as acquired from the EMSL basis set exchange: Schuchardt, K. L.; Didler, B. T.; Elsethagen, T.; Sun, L.; Gurumoorthi, V.; Chase, J.; Li, J.; Windus, T. L. J. Chem. Inf. Model. 2007, 47, 1045-1052
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    • Explicit basis set specifications used for the calculations herein can be found in the Supporting Information
    • Feller, D. J. Comput. Chem. 1996, 17, 1571-1586 Explicit basis set specifications used for the calculations herein can be found in the Supporting Information.
    • (1996) J. Comput. Chem. , vol.17 , pp. 1571-1586
    • Feller, D.1
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    • Curtiss, L. A.; Raghavachari, K.; Redfern, P. C.; Pople, J. A. J. Chem. Phys. 1997, 106, 1063-1079 For comparisons in terpene related carbocations, see, for example: Hong, Y. J.; Tantillo, D. J. Org. Biomol. Chem. 2010, 8, 4589-4600
    • (1997) J. Chem. Phys. , vol.106 , pp. 1063-1079
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    • For a good overview of the problems associated with B3LYP, see: Kang, J. K.; Musgrave, C. B. J. Chem. Phys. 2001, 115, 11040-11051 For a report suggesting that B3LYP tends to underestimate reaction barriers and overestimate reaction thermochemistry, see: Lynch, B. J.; Fast, P. L.; Harris, M.; Truhlar, D. G. J. Phys. Chem. A 2000, 104, 4811-4815 For reports that indicate B3LYP underestimates the strength of hydrogen bonds, see ref 24 and Zhao, Y.; Tishchenko, O.; Truhlar, D. G. J. Phys. Chem. B 2005, 109, 19046-19051
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    • Kang, J.K.1    Musgrave, C.B.2    Lynch, B.J.3    Fast, P.L.4    Harris, M.5    Truhlar, D.G.6    Zhao, Y.7    Tishchenko, O.8    Truhlar, D.G.9
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    • note
    • Each event was deemed complete at the first time that the interatomic distance in question fell below the distance for the equilibrium structure. For 4, key equilibrium interatomic distances are 1.10 and 1.56 Å for the C16-H18 and C11-C15 bonds, respectively; for 5, these distances are 1.09 and 1.54 Å for the C16-H18 and C1-C15 bonds, respectively; and for 8, these distances are 1.10 and 1.59 Å for the C16-H18 and C3-C15 bonds, respectively. Interatomic distances were printed every 10 fs, which represents the resolution in which the stated times reside.
  • 89
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    • note
    • -1; these frequencies correspond to 11 and 42 fs, respectively.


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