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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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 ...
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