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Han-Wan Tan

University of Utah

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Publication

Featured researches published by Han-Wan Tan.

Journal of the American Chemical Society | 1973

Conformations of saturated cyclic phosphorus heterocycles. II. 5-tert-Butyl-2-amino-1,3,2-dioxaphosphorinanes. Apparent effects of phosphorus-nitrogen vicinal interactions on the conformational energy of amino groups on trivalent phosphorus and the influence of lone pair orientation on 3FHeqP

Wesley G. Bentrude; Han-Wan Tan

Journal of the American Chemical Society | 1975

Conformations of saturated six-membered ring phosphorus heterocycles. III. PMR studies of 2-alkyl- and 2-phenyl-5-tert-butyl-1,3,2-dioxaphosphorinanes

Wesley G. Bentrude; Han-Wan Tan; K. C. Yee

Journal of the American Chemical Society | 1972

Conformations of saturated phosphorus heterocycles. Effect of europium dipivaloylmethane and europium heptafluorodimethyloctanedione on conformational equilibriums of 2-substituted 5-tert-butyl-2-oxo-1,3,2-dioxaphosphorinanes

Wesley G. Bentrude; Han-Wan Tan; K. C. Yee

Journal of the American Chemical Society | 1976

Conformational analysis by lanthanide shift reagents. Application of a topological approach to the study of the conformational equilibriums of 2-substituted 5-tert-butyl-2-oxo-1,3,2-dioxaphosphorinanes

Paolo Finocchiaro; Antonino Recca; Wesley G. Bentrude; Han-Wan Tan; K. C. Yee

Journal of the American Chemical Society | 1977

Free-radical chemistry of organophosphorus compounds. 8. Free-radical Arbuzov reaction stereochemistries and the question of available permutational modes for phosphoranyl radicals

Wesley G. Bentrude; W. Del Alley; Nelson A. Johnson; Masashi Murakami; Koichi Nishikida; Han-Wan Tan

Journal of the American Chemical Society | 1976

Free radical studies of organophosphorus compounds. 7. The stereochemistries of alkoxy and thiyl radical oxidations of phosphines and cyclic phosphites. Possible permutational isomerization modes for phosphoranyl radicals

Wesley G. Bentrude; J. Howard Hargis; Nelson A. Johnson; Tae B. Min; Paul E. Rusek; Han-Wan Tan; Richard A. Wielesek

ChemInform | 1976

Conformations of saturated phosphorus heterocycles. IV. Proton, carbon-13, and phosphorus-31 nuclear magnetic resonance studies of geometrical isomers of 2-Z-4-methyl- and 4-tert-butyl-1,3,2-dioxaphospholanes

Wesley G. Bentrude; Han-Wan Tan

ChemInform | 1976

CONFORMATIONAL ANALYSIS BY LANTHANIDE SHIFT REAGENTS. APPLICATION OF A TOPOLOGICAL APPROACH TO THE STUDY OF THE CONFORMATIONAL EQUILIBRIUMS OF 2-SUBSTITUTED 5-TERT-BUTYL-2-OXO-1,3,2-DIOXAPHOSPHORINANES

Paolo Finocchiaro; Antonino Recca; Wesley G. Bentrude; Han-Wan Tan; K. C. Yee

Tetrahedron Letters | 1975

13C and 31P spectra and the geometries of cis - and trans-2-Z-4-Me-1,3,2-dioxaphospholanes

Han-Wan Tan; Wesley G. Bentrude

Journal of the American Chemical Society | 1974

Evidence for the much greater rate of .beta.-scission involving the tert-butoxy group compared to permutational isomerization in a cyclic tetraalkoxyphosphoranyl radical

Han-Wan Tan; Wesley G. Bentrude

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Wesley G. Bentrude

University of Utah

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K. C. Yee

University of Utah

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Masashi Murakami

Tohoku University

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Koichi Nishikida

University of Tennessee

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Antonino Recca

University of Catania

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Paolo Finocchiaro

University of Catania

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J. Howard Hargis

University of Utah

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