93 Publications (Page 3 of 4)
1983
Quantum Mechanics in Drug Design: Methods and ApplicationsBoyd, Donald BTherapeutic Innovation & Regulatory Science, vol. 17, (no. 3), pp. 131, 19830700.
| Journal Article
Substituent effects in cephalosporins as assessed by molecular orbital calculations, nuclear magnetic resonance, and kineticsBoyd, Donald BJournal of Medicinal Chemistry, vol. 26, (no. 7), pp. 1013, 19830701.
| Journal Article
1982
Molecular mechanics: The method and its underlying philosophyBoyd, Donald B and Lipkowitz, Kenny BJournal of Chemical Education, vol. 59, (no. 4), pp. 269, 19820401.
| Journal Article
1981
Force field and self‐consistent field calculations on a trans coplanar disulfide: Bis(2‐pyrimidyl)disulfideBoyd, Donald B and Lipkowitz, Kenny BJournal of Computational Chemistry, vol. 2, (no. 3), pp. 333, Autumn (Fall) 1981.
| Journal Article
THEORETICAL STUDIES OF β‐LACTAM ANTIBIOTICSBoyd, Donald BAnnals of the New York Academy of Sciences, vol. 367, (no. 1), pp. 544, May 1981.
| Journal Article
1980
Electronic structures of cephalosporins and penicillins. 11. Parabolic relationships between antibacterial activity of cephalosporins and .beta.-lactam reactivity predicted from molecular orbital calculationsBoyd, Donald B⋅Herron, David K⋅Lunn, W. H. W and Spitzer, Wayne AJournal of the American Chemical Society, vol. 102, (no. 6), pp. 1814, 19800301.
| Journal Article
p.pi.p.pi. Interactions in organic molecules. 3. Theoretical search for a new nonclassical carbonium ion: the .sigma.-allyl cationLipkowitz, Kenny B⋅Larter, Raima M and Boyd, Donald BJournal of the American Chemical Society, vol. 102, (no. 1), pp. 92, 19800101.
| Journal Article
1979
Conformational analogy between .beta.-lactam antibiotics and tetrahedral transition states of dipeptideBoyd, Donald BJournal of Medicinal Chemistry, vol. 22, (no. 5), pp. 537, 19790501.
| Journal Article
Electronic structures of cephalosporins and penicillins. 9. Departure of a leaving group in cephalosporinsBoyd, Donald B and Lunn, W. H. WJournal of Medicinal Chemistry, vol. 22, (no. 7), pp. 784, 19790701.
| Journal Article
Theoretical criteria for predicting biological activity of cephalosporin antibioticsBoyd, Donald B and LUNN, W. H. WThe Journal of Antibiotics, vol. 32, (no. 8), pp. 856, 1979.
| Journal Article
1978
Mapping electron density in molecules. 14. Nonbonded contacts between lone pairs on divalent sulfursBoyd, Donald BThe Journal of Physical Chemistry, vol. 82, (no. 12), pp. 1416, 19780601.
| Journal Article
1977
Approximate relations between orbital SCF energies and total SCF energies in moleculesBoyd, Donald BThe Journal of Chemical Physics, vol. 67, (no. 4), pp. 1788, 1977-08-15.
| Journal Article
MINDO/3 Study of N‐Substituted Monocyclic β‐Lactam StructuresBoyd, Donald BInternational Journal of Quantum Chemistry, vol. 12, (no. S4), pp. 167, 9/12 January 1977.
| Journal Article
Transition State Structures of a Dipeptide Related to the Mode of Action of β -lactam AntibioticsBoyd, DonaldProceedings of the National Academy of Sciences of the United States of America, vol. 74, (no. 12), pp. 5243, 19771201.
| Journal Article
1976
Electronic structures of cephalosporins and penicillins. 5. Optical activity of the penicillin nucleus chromophoresBoyd, Donald B⋅Yeh, Chin-Yah and Richardson, F. SJournal of the American Chemical Society, vol. 98, (no. 20), pp. 6106, 19760901.
| Journal Article
Space-filling molecular models of four-membered rings. Three-dimensional aspects in the design of penicillin and cephalosporin antibioticsBoyd, Donald BJournal of Chemical Education, vol. 53, (no. 8), pp. 483, 19760801.
| Journal Article
1975
ChemInform Abstract: ELECTRONIC STRUCTURES OF CEPHALOSPORINS AND PENICILLINS PART 3, EH AND CNDO/2D ELECTRON DENSITY MAPS OF 7‐AMINO‐3‐CEPHEMBoyd, Donald BChemischer Informationsdienst, vol. 6, (no. 7), pp. no, February 18, 1975.
| Journal Article
Electronic structures of cephalosporins and penicillins. 4. Modeling acylation by the .beta.-lactam ringBoyd, Donald B⋅Hermann, Robert B⋅Presti, David E and Marsh, Max MJournal of Medicinal Chemistry, vol. 18, (no. 4), pp. 417, 19750401.
| Journal Article
1974
Electronic structures of cephalosporins and penicillins. III. EH [extended Hueckel] and CNDO/2D electron density maps of 7-amino-3-cephemBoyd, Donald BThe Journal of Physical Chemistry, vol. 78, (no. 25), pp. 2611, 19741201.
| Journal Article
Sequence and shape of the molecular orbitals of the disulfide hydrogen persulfideBoyd, Donald BThe Journal of Physical Chemistry, vol. 78, (no. 15), pp. 1563, 19740701.
| Journal Article
Structural and spectral properties of the disulfide linkage in proteins and other moleculesBoyd, Donald BInternational Journal of Quantum Chemistry, vol. 8, (no. S1), pp. 19, 17/19 January 1974.
| Journal Article
1973
ChemInform Abstract: KONFORMATIONSABHAENGIGKEIT DER ELEKTRONENENERGIENIVEAUS VON DISULFIDENBoyd, Donald BChemischer Informationsdienst, vol. 4, (no. 8), pp. no, February 20, 1973.
| Journal Article
Electronic structures of cephalosporins and penicillins. 2. Disulfide and .beta.-lactam chromophores. Structure-activity relationsBoyd, Donald BJournal of Medicinal Chemistry, vol. 16, (no. 11), pp. 1199, 19731101.
| Journal Article
Electron redistribution in disulfide bonds under torsionBoyd, Donald BTheoretica Chimica Acta, vol. 30, (no. 2), pp. 150, 1973-06-00.
| Journal Article
1972
ChemInform Abstract: ELEKTRONENDICHTE‐ UND DIPOLMOMENT‐ANALYSE VON VALENZELEKTRONEN‐WELLENFUNKTIONENBoyd, Donald BChemischer Informationsdienst, vol. 3, (no. 12), pp. no, March 21, 1972.
| Journal Article
