Rates and products of acetolysis of threo-3-aryl-2-butyl brosylates. An experimental approach to the magnitude of rate accelerations attributable to aryl participation in the acetolysis and the stereochemical consequences

Kim, Chang Jung; Brown, Herbert C.

doi:10.1021/ja01043a049

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Comparison Of Biological Qsars By Means Of Rho (ρ) Values1

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1996

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Cited by 10 publications

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“…Another interesting example similar to the above is the solvolysis of X-C 6 H 4 CH 2 CH 2 CH 2 CH 2 Hg + ClO 4 - where the correlation is with σ + with ρ of −0.90(±0.14) 45a. If the action were through four CH 2 bonds, ρ would have to be almost 20 for C 6 H 4 Hg + ClO 4 , according to Table .…”

Section: Comparison Of Biological Qsars By Means Of Rho (ρ) Valuesmentioning

confidence: 74%

Comparative QSAR: Toward a Deeper Understanding of Chemicobiological Interactions

1996

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Section: Comparison Of Biological Qsars By Means Of Rho (ρ) Valuesmentioning

confidence: 74%

Comparative QSAR: Toward a Deeper Understanding of Chemicobiological Interactions

1996

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Substituenteneinfluss bei der massenspektrometrischen Fragmentierung: Untersuchungen an N‐methyl‐β,β′‐diphenyl‐diäthylaminen. 19. Mitteilung über das massenspektrometrische Verhalten von Stickstoffverbindungen

Weibel

Hesse

1973

Helvetica Chimica Acta

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Die beschichteten Alnminiunifolien wurden im Dunkeln durch ein Corotron auf eine Spannung U, aufgeladen. Mittels cines Elektrometers wurde der Spannungsabfall im Dunkeln und bei der Belichtung mit monochromatischem Licht konstanter Intensitat gemessen. Belichtet wurde jeweils 5 Sek. nach dem Aufladen.Summary. Some ditferent substituted N-niethyl-/3,/3'-diphenyl-dicthylaniines (I) were investigated mass spectrometrically. The main fragnicntations and their genesis arc summarized in Scheme 2. Thc molecular ion gcncrates the major fragmentions a (m/e 148) and b (m/e (147 + X)) ; c (m/e 105) is formed from a and d (m/e (104+ X)) from b by further decomposition. The logarithins of the ratios of the relative ion intcnsities a/b, c/a and d/b werc correlated according to the Hammett equation with different substituent constants. Thc following correlation coefficients (at 20ev) were found: r = 0,98 (u+). r = 0,63 (u) and r = 0,96 (5) respectively. On the basis of the above Hammett corrclations, the value of this kind of investigation for the elucidation of mass spectral fragmentation mechanisms is discussed.

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Conformation et reactivite de derives (4.n.0) bicycliques a jonction trans—XXVII

Laureillard

Casadevall

1980

Tetrahedron

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Rates and products of acetolysis of threo-3-aryl-2-butyl brosylates. An experimental approach to the magnitude of rate accelerations attributable to aryl participation in the acetolysis and the stereochemical consequences

Cited by 10 publications

References 1 publication

Comparative QSAR: Toward a Deeper Understanding of Chemicobiological Interactions

Comparative QSAR: Toward a Deeper Understanding of Chemicobiological Interactions

Substituenteneinfluss bei der massenspektrometrischen Fragmentierung: Untersuchungen an N‐methyl‐β,β′‐diphenyl‐diäthylaminen. 19. Mitteilung über das massenspektrometrische Verhalten von Stickstoffverbindungen

Conformation et reactivite de derives (4.n.0) bicycliques a jonction trans—XXVII

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