2-Trifluoromethylperimidines with electron-withdrawing groups at the 6(7)-position: a case of extremely hindered annular prototropy

Authors
Filatova, EA Borovlev, IV Pozharskii, AF Starikov, ZA Vistorobskii, NV
Citation
Ea. Filatova et al., 2-Trifluoromethylperimidines with electron-withdrawing groups at the 6(7)-position: a case of extremely hindered annular prototropy, MENDELEEV C, (5), 2000, pp. 178-180
Citations number
12
Categorie Soggetti
Chemistry
Journal title
MENDELEEV COMMUNICATIONS
ISSN journal
09599436 → ACNP
Issue
5
Year of publication
2000
Pages
178 - 180
Database
ISI
SICI code
0959-9436(2000):5<178:2WEGAT>2.0.ZU;2-#
Abstract
In solutions of 6(7)-formyl-, 6(7)-acetyl- and 6(7)-p-toluenesulfonyl-2-tri fluoromethylperimidines in non-polar solvents, both of the NH tautomers wer e detected using H-1 NMR spectroscopy even on heating up to 130 degreesC.