Synthesis and Photochemical Cyclization of a Novel Enyne-Carbodiimide

Molecules

Michael Schmittel¹  David Rodríguez¹ 

[1] ¹FB 8 - OC1 (Chemie und Biologie), Universität Siegen, Adolf-Reichwein-Strasse, D-57068 Siegen, Germany ²Present address: Facultad de Química, Universidad de Santiago de Compostela, Spain

关键词: Carbodiimides;    diradicals;    enynes;    photocyclization;    triplet;   

DOI  :  10.3390/51201372

来源: mdpi

【 摘 要 】

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.

【 授权许可】

CC BY   
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.