Synthesis and Photochemical Cyclization of a Novel Enyne-CarbodiimideReport as inadecuate




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FB 8 - OC1 Chemie und Biologie, Universität Siegen, Adolf-Reichwein-Strasse, D-57068 Siegen, Germany

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Present address: Facultad de Química, Universidad de Santiago de Compostela, Spain





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Author to whom correspondence should be addressed.



Abstract The triplet sensitized cyclization of enyne-carbodiimide 4 leads to efficient formation of indoloquinoline 5 with concomittant loss of a methyl group. The efficient loss of the methyl group was explained using AM1 semiempirical calculations.

Keywords: Carbodiimides; diradicals; enynes; photocyclization; triplet Carbodiimides; diradicals; enynes; photocyclization; triplet





Author: Michael Schmittel 1,* , David Rodríguez 1,2 and Jens-Peter Steffen 1

Source: http://mdpi.com/



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