DOI: 10.1039/A705112C
(Paper)
Reference Section for: J. Chem. Res. (S), 1998, 72-73
Diazepines. Part 30.1 A Comparison between the Extent of Delocalisation of Electrons in a Vinamidine and its Protonated Form. Crystal and Molecular Structure of Two 2,3-Dihydro-1,4-diazepines
(Note: The full text of this document is currently only available in the PDF Version )
Magnus Brisander, Steven G. Harris, Douglas Lloyd, Hamish McNab and Simon Parsons
Abstract
An X-ray study of two 2,3-dihydro-1,4-diazepine bases shows that their vinamidine systems are made up of alternate single and double bonds, in contrast to the derived monocations which contain fully delocalised vinamidinium structures.
References
- Part 29, D. Lloyd, H. McNab and S. Parsons, J. Chem. Res., 1998, preceding paper Search PubMed.
- For a review see D. Lloyd and H. McNab, Adv. Heterocycl. Chem., 1993, 56, 1 Search PubMed.
- D. Lloyd and D. R. Marshall, Chem. Ind. (London), 1972, 335 CAS.
- G. Schwarzenbach and K. Lütz, Helv. Chim. Acta, 1940, 23, 1162 CAS; D. Lloyd, R. H. McDoughall and D. R. Marshall, J. Chem. Soc. (C), 1966, 780 RSC.
- J. P. Declercq, G. Germain and M. Van Meersche, Acta Crystallogr., Sect. B, 1979, 35, 1175 CrossRef.
- H. Zimmer, A. Amer, D. Ho and R. Palmer-Sungail, J. Heterocycl. Chem., 1991, 18, 1501.
- D. Lloyd, K. S. Tucker and D. R. Marshall, J. Chem. Soc., Perkin Trans. 1, 1981, 726 RSC.
- D. Lloyd, H. McNab and D. R. Marshall, Aust. J. Chem., 1977, 30, 365 CAS.
- D. Lloyd, G. Ferguson and B. L. Ruhl, Acta Crystallogr., Sect. C, 1991, 47, 1290 CrossRef.
- G. Ferguson, D. Lloyd, H. McNab, D. R. Marshall, B. L. Ruhl and T. Wieckowski, J. Chem. Soc., Perkin Trans. 2, 1991, 1663 Search PubMed.
- A. J. Blake, H. McNab, L. C. Monahan, S. Parsons and E. Stevenson, Acta Crystallogr., Sect. C, 1996, 52, 2814 CrossRef.