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3,4-Dihydro-2H-9-thia-1,4a-diazafluorene (2b) was found to be an extremely effective catalyst, the reaction with which was faster than that with DMAP.

To create your abstract, type over the instructions in the template box below. Fonts or abstract dimensions should not be changed or altered. γ-Selective allylic substitution reaction with Grignard reagents catalyzed by copper Nheterocyclic carbene complexes and its application to enantioselective synthesis

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A low-valent titanium generated in situ from Ti(O-i-Pr)(4), Me(3)SiCl, and Mg powder in THF reacted with aryl- and alkyl-sulfonamides of aryl and alkyl amines in a reductive N-S/S-O/S-C bond cleaving pathway to provide the corresponding amines and hydrocarbons (and thiols) derived from the sulfonyl moiety. The reagent could also cleave sulfonates to the corresponding alcohols.