REACTION OF SUBSTITUTED 1,2,8,9-TETRAAZADISPIRO[4.1.4.3]TETRADECA-1,8-DIEN-6-ONES AND 1,2,8,9-TETRAAZADISPIRO[4.1.4.2]TRIDECA-1,8-DIEN-6-ONES WITH CHLORINE
DOI:
https://doi.org/10.1007/7022Keywords:
diazomethane, pyrazolines, cyclopropaneAbstract
Reaction of 4,11-diaryl-1,2,8,9-tetraazadispiro[4.1.4.3]tetradeca-1,8-dien-6-ones and -dispiro-[4.1.4.2]trideca-1,8-dien-6-ones with chlorine gives substituted dispirocyclic compounds containing a 3-chloro-1-pyrazoline fragment which loses nitrogen on heating to give spirocyclic chlorocyclo-propanes.
How to Cite
Molchanov, A. P.; Eremeeva, A. A.; Kopf, J.; Kostikov, R. R. Chem. Heterocycl. Compd. 2008, 44, 435. [Khim. Geterotsikl. Soedin. 2008, 558.]
For this article in the English edition see DOI 10.1007/s10593-008-0060-2