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Dive into the research topics where Howard S. Bilofsky is active.

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Featured researches published by Howard S. Bilofsky.


Tetrahedron | 1972

The activation enthalpy and entropy for the inversion-rotation process in dibenzylmethylamine

C. Hackett Bushweller; James W. O'Neil; Howard S. Bilofsky

Abstract The temperature dependence of the PMR spectrum of the diastereotopic benzyl protons of dibenzylmethylamine has provided the activation parameters for nitrogen inversion. A method is described to account for the substantial variation in T 2 of the benzyl protons resonances as a function of temperature in the intermediate exchange region.


Journal of the American Chemical Society | 1971

Temperature dependence of the proton nuclear magnetic resonance spectra of copper(I) borane complexes, B3H8- salts, and icosahedral carboranes. Quadrupole-induced spin decoupling. Fluxional behavior

C. Hackett Bushweller; Herbert Beall; Michael Grace; William J. Dewkett; Howard S. Bilofsky


Journal of the American Chemical Society | 1975

Conformational analysis in multisulfur heterocycles. VIII. 3,3:6,6-Bis(tetramethylene)-s-tetrathiane and 3,3:6,6-Bis(pentamethylene)-s-tetrathiane. Slow s-tetrathiane chair-to-twist, chair-to-chair, and twist-to-twist interconversions. X ray crystallographic studies

C. Hackett Bushweller; Geetha Bhat; Leo J. Letendre; Jacques A. Brunelle; Howard S. Bilofsky; Helena Ruben; David H. Templeton; Allan Zalkin


Journal of the American Chemical Society | 1971

Evidence supporting a common transition state for rotation and inversion in tert-butylbenzylmethylamine

C. Hackett Bushweller; James W. O'Neil; Howard S. Bilofsky


Journal of the American Chemical Society | 1970

Acyclic conformational analysis. Direct observation of rotation about the carbon-nitrogen single bond in tert-butyldimethylamine

C. Hackett Bushweller; James W. O'Neil; Howard S. Bilofsky


Tetrahedron Letters | 1972

Direct observation of slow rotation about carbon-phosphorous single bonds. 31P-1H spin-spin coupling as a probe of conformational preference

C. Hackett Bushweller; Jacques A. Brunelle; Warren G. Anderson; Howard S. Bilofsky


Tetrahedron Letters | 1973

Rate processes in n-tert-butyl-n-haloamines

C. Hackett Bushweller; Warren G. Anderson; James W. O'Neil; Howard S. Bilofsky


Tetrahedron Letters | 1972

Barriers to pseudorotation in alkylphosphoranes

C. Hackett Bushweller; Howard S. Bilofsky; E. Wayne Turnblom; Thomas J. Katz


ChemInform | 1975

CONFORMATIONAL ANALYSIS IN MULTISULFUR HETEROCYCLES PART 8, 3,3/6,6-BIS(TETRAMETHYLENE)-S-TETRATHIANE AND 3,3/6,6-BIS(PENTAMETHYLENE)-S-TETRATHIANE, SLOW S-TETRATHIANE CHAIR-TO-TWIST, CHAIR-TO-CHAIR, AND TWIST-TO-TWIST INTERCONVERSION

C. Hackett Bushweller; Geetha Bhat; Leo J. Letendre; Jacques A. Brunelle; Howard S. Bilofsky; Helena Ruben; David H. Templeton; Allan Zalkin


ChemInform | 1971

NMR-NACHWEIS EINES GEMEINSAMEN UEBERGANGSZUSTANDES FUER ROTATION UND INVERSION BEI TERT.-BUTYL-BENZYL-METHYLAMIN

C. Hackett Bushweller; James W. O'Neil; Howard S. Bilofsky

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C. Hackett Bushweller

Worcester Polytechnic Institute

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James W. O'Neil

Worcester Polytechnic Institute

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Jacques A. Brunelle

Worcester Polytechnic Institute

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Allan Zalkin

University of California

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Helena Ruben

University of California

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Herbert Beall

Worcester Polytechnic Institute

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Michael Grace

Worcester Polytechnic Institute

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Warren G. Anderson

Worcester Polytechnic Institute

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William J. Dewkett

Worcester Polytechnic Institute

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