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2,3a,5,6a‐Tetrapentalene Dications and Tetraamino‐1,3,5,7‐tetrazocine
Author(s) -
Ehrenberg Stefan,
Gompper Rudolf,
Polborn Kurt,
Wagner HansUlrich
Publication year - 1991
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199103341
Subject(s) - delocalized electron , ion , planar , chemistry , salt (chemistry) , reduction (mathematics) , electron delocalization , zinc , crystallography , inorganic chemistry , computational chemistry , mathematics , organic chemistry , computer science , computer graphics (images) , geometry
Salts of the tetraazapentalenediylium ions 1 are readily accessible by reaction of the 3,5‐bis(dialkylamino)‐1,2,4‐triazoles with 1,3‐dichloro‐2‐azavinaamidinium salts. According to theoretical predictions they are best described as largely delocalized, almost planar 8π‐electron systems. Reduction with zinc afforded the 1,3,5,7‐tetrazocines 2 , whose structure corresponds to that of octamethylcyclooctatetraene.