Stereochemical Requirements of Oxidative Cyclizations in Extended Iterative Organoiron-Mediated Routes to Alkaloids

GR Stephenson, C Roe, CE Anson

Index: Pearson, Anthony J.; Fang, Xinqin Journal of Organic Chemistry, 1997 , vol. 62, # 16 p. 5284 - 5292

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Citation Number: 1

Abstract

... The Journal of Organic Chemistry. ... The cis coupling constant for J 4a,10b is 9.3 Hz, which is comparable to the 9 Hz cis coupling observed after a similar oxidative cyclization by Pearson.(7) The benzyl methylene group of 9 changes from a singlet at 4.63 ppm to two doublets ...

~95%

New high affinity H 3 receptor agonists without a basic side...

[Kitbunnadaj, Ruengwit; Hoffmann, Marcel; Fratantoni, Silvina A.; Bongers, Gerold; Bakker, Remko A.; Wieland, Kerstin; El Jilali, Ahmed; De Esch, Iwan J. P.; Menge, Wiro M. P. B.; Timmerman, Henk; Leurs, Rob Bioorganic and Medicinal Chemistry, 2005 , vol. 13, # 23 p. 6309 - 6323]