Similarly to pentalene, azulene[¹], and cyclopent[cd]azulene[²], the readily accessible aceheptylene (1)[³] undergoes cycloaddition with activated alkynes to form novel polycyclic systems in a surprisingly simple manner
Wie Pentalen und Azulen[¹] sowie Cyclopent[cd]azulen[²] reagiert das leicht zugängliche Aceheptylen ...
Diphenylketene (2) undergoes [4 + 2] cycloadditions with the s-cis fixed diene (1) to give the dihyd...
Eine überraschend einfache Heptalen-Synthese besteht in der Umsetzung von Azulen (1) mit Acetylendic...
Similarly to pentalene, azulene[¹], and cyclopent[cd]azulene[²], the readily accessible aceheptylen...
Cycloadditions of nonbenzenoid carbo- and heterocyclic conjugated π-electron systems with suitable ...
Like acenaphthylene (1), the isomeric compound cyclopent- [cd]azulene (2) can also undergo 1,2-cyclo...
New conjugated hydrocarbons with five or six annelated rings have been obtained by cycloaddition. Th...
The two lowest homologs of the annulene series, i. e. cyclobutadiene and benzene, are known to under...
The cyclopentacyclononene derivative (3). the first compound to contain this ring system and also th...
Methyl derivatives of the still unknown hydrocarbon (1a) azuleno[8,8a,1,2-def]heptalene (dicyclohept...
Cycloaddition reactions of the azulene system 1 with electron-poor and electron-rich alkynes provide...
Alkyl and aryl derivatives [¹] of cyclopent[cd]azulene (1) exhibit a notable reactivity in cycloadd...
The first non-benzenoid, linearly annelated, tetracyclic system with [4n + 2]-perimeter and [4n]-par...
Wie Pentalen und Azulen[¹] sowie Cyclopent[cd]azulen[²] reagiert das leicht zugängliche Aceheptylen ...
Diphenylketene (2) undergoes [4 + 2] cycloadditions with the s-cis fixed diene (1) to give the dihyd...
Eine überraschend einfache Heptalen-Synthese besteht in der Umsetzung von Azulen (1) mit Acetylendic...
Similarly to pentalene, azulene[¹], and cyclopent[cd]azulene[²], the readily accessible aceheptylen...
Cycloadditions of nonbenzenoid carbo- and heterocyclic conjugated π-electron systems with suitable ...
Like acenaphthylene (1), the isomeric compound cyclopent- [cd]azulene (2) can also undergo 1,2-cyclo...
New conjugated hydrocarbons with five or six annelated rings have been obtained by cycloaddition. Th...
The two lowest homologs of the annulene series, i. e. cyclobutadiene and benzene, are known to under...
The cyclopentacyclononene derivative (3). the first compound to contain this ring system and also th...
Methyl derivatives of the still unknown hydrocarbon (1a) azuleno[8,8a,1,2-def]heptalene (dicyclohept...
Cycloaddition reactions of the azulene system 1 with electron-poor and electron-rich alkynes provide...
Alkyl and aryl derivatives [¹] of cyclopent[cd]azulene (1) exhibit a notable reactivity in cycloadd...
The first non-benzenoid, linearly annelated, tetracyclic system with [4n + 2]-perimeter and [4n]-par...
Wie Pentalen und Azulen[¹] sowie Cyclopent[cd]azulen[²] reagiert das leicht zugängliche Aceheptylen ...
Diphenylketene (2) undergoes [4 + 2] cycloadditions with the s-cis fixed diene (1) to give the dihyd...
Eine überraschend einfache Heptalen-Synthese besteht in der Umsetzung von Azulen (1) mit Acetylendic...
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