Sequential 1,2-Addition−Electrocyclic Ring Closures Involving Acyclic α,β-Unsaturated Iminiums:  A Formal [3 + 3] Cycloaddition Strategy to Unique Pyranyl Spirocycles

Richard P. Hsung(University of Minnesota), Letitia J. Yao(University of Minnesota), Christopher D. Morgan(University of Minnesota), Shane J. Degen(University of Minnesota), Hong C. Shen(Roche (China)), Christopher J. Douglas(University of California, Irvine)
The Journal of Organic Chemistry
January 8, 1999
Cited by 89


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