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Donald D. Giannini

California Institute of Technology

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Featured researches published by Donald D. Giannini.

Tetrahedron | 1977

Carbon-13 nuclear magnetic resonance studies of coumarin and related compounds

Kenneth K. Chan; Donald D. Giannini; Anne H. Cain; John D. Roberts; William R. Porter; William F. Trager

Fourier-transform ^(13)C NMR spectra of nine coumarinoid compounds of medicinal interest are reported. All of the carbon resonances are assigned with the aid of various spectral techniques and stable isotopic labeling. The substituent effects on the chemical shifts in several systems are also discussed.

Journal of the American Chemical Society | 1973

Substituent effects in 13C nuclear magnetic resonance spectroscopy. Progesterone, deoxycorticosterone, corticosterone, cortisol, and related steroids.

Norman S. Bhacca; Donald D. Giannini; William S. Jankowski; Manfred E. Wolff

Journal of the American Chemical Society | 1973

Quantitation of long-range effects in steroids by molecular orbital calculations

Peter A. Kollman; Donald D. Giannini; William L. Duax; Stephen Rothenberg; Manfred E. Wolff

Journal of the American Chemical Society | 1977

Natural-abundance nitrogen-15 nuclear magnetic resonance spectroscopy. Steric and electronic effects on nitrogen-15 chemical shifts of piperidines and decahydroquinolines

Rudolf O. Duthaler; Kenneth L. Williamson; Donald D. Giannini; William H. Bearden; John D. Roberts

Journal of the American Chemical Society | 1974

Steric and electronic effects on carbon-13 nuclear magnetic resonance .alpha., .beta., and .gamma. shifts and fluorine-19-carbon-13 coupling constants in 9.alpha.-substituted cortisol derivatives

Donald D. Giannini; Peter A. Kollman; Norman S. Bhacca; Manfred E. Wolff

Journal of the American Chemical Society | 1975

Carbon-13 and Nitrogen-15 Spin-Lattice Relaxation (T_1) and Nuclear Overhauser Enhancement (NOE) Measurements for Acetamide and N,N- Dimethylacetamide

Donald D. Giannini; Ian M. Armitage; Harry Pearson; David M. Grant; John D. Roberts

Proceedings of the National Academy of Sciences of the United States of America | 1974

Carbon-13 nuclear magnetic resonance spectroscopy. Structure of the anticoagulant warfarin and related compounds in solution

Donald D. Giannini; Kenneth K. Chan; John D. Roberts

ChemInform | 1977

Natural-Abundance Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy. Steric and Electronic Effects on Nitrogen-15 Chemical Shifts of Piperidines and Decahydroquinolines

Rudolf O. Duthaler; Kenneth L. Williamson; Donald D. Giannini; William H. Bearden; John D. Roberts

ChemInform | 1974

STERIC AND ELECTRONIC EFFECTS ON CARBON-13 NUCLEAR MAGNETIC RESONANCE ALPHA,BETA, AND GAMMA SHIFTS AND FLUORINE-19-CARBON-13 COUPLING CONSTANTS IN 9ALPHA-SUBSTITUTED CORTISOL DERIVATIVES

Donald D. Giannini; Peter A. Kollman; Norman S. Bhacca; Manfred E. Wolff

ChemInform | 1975

CARBON-13 AND NITROGEN-15 SPIN-LATTICE RELAXATION (T1) AND NUCLEAR OVERHAUSER ENHANCEMENT (NOE) MEASUREMENTS FOR ACETAMIDE AND N,N-DIMETHYLACETAMIDE

Donald D. Giannini; Ian M. Armitage; Harry Pearson; David M. Grant; John D. Roberts

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John D. Roberts

California Institute of Technology

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Norman S. Bhacca

Louisiana State University

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Peter A. Kollman

University of California

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Rudolf O. Duthaler

Novartis

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Harry Pearson

California Institute of Technology

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Ian M. Armitage

University of Minnesota

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Kenneth K. Chan

University of Southern California

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Kenneth L. Williamson

California Institute of Technology

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Stephen Rothenberg

University of Washington

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William L. Duax

Hauptman-Woodward Medical Research Institute

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