Phthalocyanines and related compounds: XLVI. [4+2]-cycloaddition of tetraazaporphine to dienes of the cyclopentadiene seriesстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 марта 2017 г.
Аннотация:The [4+2]-cycloaddition reaction of unsubstituted tetraazaporphine as the dienophile with a series
of dienes of the cyclopentadiene series gave novel norbornene-condensed tetraazachlorins, tetraazabacteriochlorins, and tetraazaisobacteriochlorins. It was shown that, depending on the type of the diene, the reagent ratio, reaction time, and temperature mono- or bis-adducts are formed. The compounds obtained were characterized by the elemental analyses, electronic absorption spectra, 1H NMR spectra, and mass-spectra.