ol7b01898_si_004.cif (80.66 kB)
Download fileTandem Oxidative Dearomatizing Spirocyclizations of Propargyl Guanidines and Ureas
dataset
posted on 21.07.2017, 17:38 by Ravi P. Singh, Jayanta Das, Muhammed Yousufuddin, Delphine Gout, Carl J. LovelyTreatment
of propargyl ureas or guanidines with iodosobenzene diacetate
results in an oxidative tandem amination/etherification dearomatizing
spirocyclization. This transformation leads directly to the complete
framework of the Leucetta alkaloids, spirocalcaridine
A and B.
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