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Molecules 2000, 5(12), 1372-1378; doi:10.3390/51201372
Article

Synthesis and Photochemical Cyclization of a Novel Enyne-Carbodiimide

1,* , 1,2 and 1
1 FB 8 - OC1 (Chemie und Biologie), Universität Siegen, Adolf-Reichwein-Strasse, D-57068 Siegen, Germany 2 Present address: Facultad de Química, Universidad de Santiago de Compostela, Spain
* Author to whom correspondence should be addressed.
Received: 21 July 2000 / Accepted: 19 October 2000 / Published: 20 December 2000
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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
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Schmittel, M.; Rodríguez, D.; Steffen, J.-P. Synthesis and Photochemical Cyclization of a Novel Enyne-Carbodiimide. Molecules 2000, 5, 1372-1378.

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