Photochemistry of Tetrabenzo[ c,e,i,k ] [1,2,7,8]tetraazacyclododecine in 2‐Propanol

Autor:	Erich Tauer, K. H. Grellmann, Angelika Heinrich
Rok vydání:	1991
Předmět:	Inorganic Chemistry Propanol Solvent chemistry.chemical_compound Azo compound chemistry Chemical reduction Photochemistry Isomerization Cis–trans isomerism Cis trans isomerization
Zdroj:	Chemische Berichte. 124:2053-2057
ISSN:	0009-2940
DOI:	10.1002/cber.19911240929
Popis:	The photochemical properties of the tetraazacyclododecine 1 were investigated. The trans,trans isomer 1tt can be photoisomerized yielding the stable cis,cis isomer 1ee. The isomerization requires two photons and proceeds via the unstable trans,cis isomer 1tc. In nitrogen-purged 2-propanol as solvent 1 yields five stable photoproducts as a result of a number of consecutive photoreduction reactions. Our attempts to convert 1 by light into the tetraazetidine 4 were not successful.
Databáze:	OpenAIRE
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