Eclipsed isopropyl conformations of two dimeric hydrazines

Journal of Organic Chemistry

Volumn 61, Issue 14, 1996, Pages 4703-4707

  Nelsen, Stephen F ^a   Ramm, Michael T ^a   Wolff, J J ^a   Powell, Douglas R ^a  

^a UNIVERSITY OF WISCONSIN MADISON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 3342891574     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo9602377     Document Type: Article

References (20)

1. For reviews, see (a) Nelsen, S. F. Molecular Structures and Energetics; Liebman, J. F.; Greenberg, A., Eds.; VCH: Deerfield Beach, FL, 1986; Vol. 3, Ch. 1, p 1. (b) Nelsen, S. F. Advances in Electron Transfer Chemistry; Mariano, P. S., Ed., JAI; Greeenwich, CT, 1993; Vol. 3, p 167.
2. For reviews, see (a) Nelsen, S. F. Molecular Structures and Energetics; Liebman, J. F.; Greenberg, A., Eds.; VCH: Deerfield Beach, FL, 1986; Vol. 3, Ch. 1, p 1. (b) Nelsen, S. F. Advances in Electron Transfer Chemistry; Mariano, P. S., Ed., JAI; Greeenwich, CT, 1993; Vol. 3, p 167.
3. Nelsen, S. F.; Wang, Y.; Powell, D. R.; Hiyashi, R. K. J. Am. Chem. Soc. 1993, 115, 5246.
4. Anderson, J. E.; Lehn, J. M. J. Am. Chem. Soc. 1967, 89, 81.
5. Nelsen, S. F. In Acyclic Organonitrogen Stereodynamics, Lambert, J. B., Takeuchi, Y., Eds., VCH: New York, 1992; Chapter 3, p 89.
6. Nelsen, S. F.; Chen, L.-J. J. Org. Chem. 1995, 60, 3263.
7. Nelsen, S. F.; Chen, L.-J.; Petillo, P. A.; Evans, D. H.; Neugebauer, F. A. J. Am. Chem. Soc. 1993, 115, 10611.
8. Nelsen, S. F.; Wolff, J. J.; Chang, H.; Powell, D, R. J. Am. Chem. Soc. 1991, 113, 7882.
9. (a) Seiler, P.; Weisman, G. R.; Glendening, E. D.; Weinhold, F.; Johnson, V. B.; Dunitz, J. D. Angew. Chem., Int. Ed. Engl. 1987, 26, 1175.
10. (b) Seiler, P.; Dunitz, J. D. Helv. Chim. Acta 1989, 72, 1125.
11. (a) Allinger, N. L. J. Am. Chem. Soc. 1977, 99, 8127.
12. (b) Allinger, N. L.; Yuh, Y. QCPE 1980, 12, 395.
13. (a) Dewar, M. J. S.; Zoebisch, E. G.; Healy, E. F.; Stewart, J. J. P. J. Am. Chem. Soc. 1985, 107, 3902.
14. (b) Our AM1 calculations were carried out using various versions program VAMP: versions 4.40 or 5.0 (on a Stardent 3000 computer), 5.6 (on an IBM RS-6000). Rauhut, G.; Chandrasekhar, J.; Alex, A.; Steinke, T.; Clark, T. VAMP 5.0, Oxford Molecular, Oxford, 1994.
15. Nelsen, S. F.; Wang, Y.; Powell, D. R.; Hayshi, R. K. J. Am. Chem. Soc. 1993, 115, 5246.
16. (a) Saunders, M. J. Am. Chem. Soc. 1987, 109, 3150.
17. 7a and Peter A. Petillo for modifying it to run in our computer environment (VAX 8650 computer) and providing program NEWSEL for preparation and manipulation of its input and output files.
18. Nelsen, S. F.; Ismagilov, R. F.; Chen, L. J.; Brandt, J. L.; Chen, X.; Pladziewicz, J. R. J. Am. Chem. Soc. 1996, 118, 1555.
19. Sheldrick, G. M. SHELEXS86. In Crystallographic Computing 3; Sheldrick, G. M., Krüger, C., Goddard, R., Eds.; 1985, pp 175-189.
20. The author has deposited atomic coordinates for this structure with the Cambridge Crystallographic Data Centre. The coordinates can be obtained, on request, from the Director, Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge, CB2 1EZ, UK.