1) Urea as Leaving Group in the Synthesis of 3-(tert-Butyl)perhydro-1,5,3-dithiazepine
Ulf Wellmar Journal of Heterocyclic Chemistry
National Defense Research Establishment of Sweden, Weapons and Protection Division, department of Energetic Materials, S-147 25 Tumba, Sweden
The new compound -dithiazepine has been synthesized from 3-(tert-Butyl)perhydro-1,3,5-triazin-2-one in 45% yield. In the reaction, urea acts as the leaving group being exchanged for the S-CH2-CH2-S fragment of the product.
- DOI:
http://dx.doi.org/10.1002/jhet.5570350653
2) Vol 55, No. 4, 2001, pp.753-761 HeteroCycles
- DOI:
http://dx.doi.org/10.3987/COM-00-9104
Elzbieta Pomarnacka,* Anita Kornicka, and Franciszek Saczewski
*Department of Chemical Technology of Drug, Medical University of Gdansk, 107 Gen. J. Hallera Str., 80-416 Gdansk, Poland
3) Acta Crystallographica Section E
Structure Reports Online
Volume 57, Part 4 (April 2001) Acta Cryst. (2001). E57, p315-p317
- DOI:
http://dx.doi.org/10.1107/S160053680100407X
T. W. Hambley, T. W. Jackson, M. Kojima, R. B. Knott, R. M. Lambrecht and P. Turner
За ранее спасибо!!!