... Rep. of Germany. Issue. European Journal of Organic Chemistry. Volume 1999, Issue 4, pages 861–868, April 1999. Additional Information. How to Cite. ... Eur. J. Org. Chem., 1999: 861–868. doi: 10.1002/(SICI)1099-0690(199904)1999:4<861::AID-EJOC861>3.0.CO;2-J. ...