Synthesis and Photochemical Cyclization of a Novel Enyne-Carbodiimide

doi:10.3390/51201372

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

Article

Synthesis and Photochemical Cyclization of a Novel Enyne-Carbodiimide

Michael Schmittel^1,* , David Rodríguez^1,2 and Jens-Peter Steffen¹

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

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MDPI and ACS Style

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

AMA Style

Schmittel M, Rodríguez D, Steffen J-P. Synthesis and Photochemical Cyclization of a Novel Enyne-Carbodiimide. Molecules. 2000; 5(12):1372-1378.

Chicago/Turabian Style

Schmittel, Michael; Rodríguez, David; Steffen, Jens-Peter. 2000. "Synthesis and Photochemical Cyclization of a Novel Enyne-Carbodiimide." Molecules 5, no. 12: 1372-1378.

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