Photochemically induced [4+2]- versus [3+2]-cycloreversion reaction of hexasubstituted 2,3-diaza-bicyclo[3.1.0]hex-2-enes |
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| Authors: | Günter Ege Karlheinz Gilbert Birgit Hahn |
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| Institution: | Organisch-Chemisches Institut der Universität Im Neuenheimer Feld 270, D-6900 Heidelberg 1 Germany |
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| Abstract: | Hexasubstituted 2,3-diaza-bicyclo3.1.0]hex-2-enes containing large substituents at C-4 and C-6 upon irradiation undergo a novel 4+2]cycloreversion reaction leading to 2,3-diazahexatriens besides the normal 3+2]cycloreversion. |
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