SANOFI-AVENTIS DEUTSCHLAND GMBH
Patent: WO2006/136305 A1, 2006 ;
Location in patent: Page/Page column 40 ;
WO 2006/136305 A1

Katritzky, Alan R.; Khashab, Niveen M.; Haase, Danniebelle N.; Yoshioka, Megumi; Ghiviriga, Ion; Steel, Peter J.
Journal of Organic Chemistry, 2007 , vol. 72, # 18 p. 6742 - 6748