Zobrazeno 1 - 10
of 12
pro vyhledávání: '"R. P. Duke"'
Publikováno v:
J. Chem. Soc., Perkin Trans. 2. :668-670
Electric dipole moments show that electronic interactions are greater in methyl- and chloro-pyrazines than in analogous benzene and pyridine compounds.
Publikováno v:
Chemischer Informationsdienst. 4
Autor:
E. E. Mikhlina, K. F. Turchin, R. P. Duke, L. M. Alekseeva, Richard A. Jones, A. D. Yanina, L. N. Yakhontov, Alan R. Katritzky, Yu. N. Sheinker
Publikováno v:
Chemischer Informationsdienst. Organische Chemie. 1
Publikováno v:
Chemischer Informationsdienst. 3
Publikováno v:
Chemischer Informationsdienst. 3
Autor:
F G, HUMPHREY, R P, DUKE
Publikováno v:
Journal of psychiatric social work. 24(2)
Autor:
R. P. Duke, I. D. Blackburne, M. Moreno Manas, Alan R. Katritzky, D. L. Trepanier, M. J. Cook, Roger Scattergood, D. L. Nicol, A. J. Sparrow, A. Y. Jones Richard, A. C. Richards, K. A. F. Record
Publikováno v:
Chemischer Informationsdienst. 4
Publikováno v:
Journal of the Chemical Society D: Chemical Communications. :1308
5-t-Butyldihydro-1,3,5-dithiazine exists with the t-butyl substituent preferentially in the axial position with ΔG250 0·8 ± 0·1 kcal mol–1.
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :332
Computer programs are developed which allow (a) the calculation of ring geometry including vector angles for dipole-moment components and (b) the energy minimisation of bond and torsion angle strain.Conformational equilibria are recalculated for 1-al
Autor:
R. P. Duke, A. Vaciago, Fernando Mazza, J. R. Carruthers, Walter Fedeli, Alan R. Katritzky, Richard A. Jones
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :455
The effects of solvent and of substituents at the piperidine nitrogen and in the benzyl ring on the relative and absolute rates of N-benzylation of piperidines are discussed with the aid of X-ray analysis of the major products from the benzylation of