C. Altona

Conformational analysis of the sugar ring in nucleosides and nucleotides. New description using the concept of pseudorotation

C. Altona, M. Sundaralingam · Journal of the American Chemical Society · 1972 · 2.1K citations

Life Sciences, Biochemistry, Chemistry +13

The relationship between proton-proton NMR coupling constants and substituent electronegativities—I

C. A. G. Haasnoot, Frank A.A.M. de Leeuw, C. Altona · Tetrahedron · 1980 · 2K citations

Natural Sciences, Chemistry, Medicinal Chemistry +6

Relationship between proton–proton nmr coupling constants and substituent electronegativities. III. Conformational analysis of proline rings in solution using a generalized Karplus equation

C. A. G. Haasnoot, Frank A.A.M. de Leeuw, Harry P. M. de Leeuw et al. · Biopolymers · 1981 · 132 citations

Life Sciences, Biochemistry, Chemistry +17

The Synthetic Utility of Heteroaromatic Azido Compounds. I. Preparation and Reduction of Some 3-Azido-2-substituted Furans, Thiophenes, and Selenophenes.

Salo Gronowitz, Christer Westerlund, A.‐B. Hörnfeldt et al. · Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry · 1975 · 60 citations · Full text

Natural Sciences, Chemistry, Green Chemistry +13

Evidence for twisted norbornanes. X-ray diffraction and valence force-field calculations

C. Altona, M. Sundaralingam · Journal of the American Chemical Society · 1970 · 54 citations

Natural Sciences, Chemistry, Computational Chemistry +9