Ищу следующие статьи:
1. Journal of Heterocyclic Chemistry
Volume 8, Issue 6, pages 1063–1067, December 1971
Configuration and conformation isomerism of azetidines
Robert H. Higgins, Earl Doomes, Norman H. Cromwel
- DOI:
http://dx.doi.org/10.1002/jhet.5570080636
2. Journal of Heterocyclic Chemistry
Volume 26, Issue 6, pages 1659–1663, November/December 1989
The cycloaddition of heterocumulenes to oxetanes in the presence of catalytic amounts of tetraphenylstibonium iodide
Masahiro Fujiwara, Akio Baba, Haruo Matsuda
- DOI:
http://dx.doi.org/10.1002/jhet.5570260628
Заранее благодарю!!!!
