An Efficient Double 1,2-Addition Reaction of 2,3-Allenoates with Allyl Magnesium Chloride
The Journal of Organic Chemistry2008Vol. 73(23), pp. 9486–9489
Citations Over TimeTop 18% of 2008 papers
Abstract
In this paper, it was reported that double 1,2-addition reaction of 2,3-allenoates with allyl magnesium chloride at room temperature in the absence of any transition metal catalyst provides an efficient method for the synthesis of tertiary alpha-allenols. The optically active allenol could be prepared from the reaction of the optically active 2,3-allenoate without obvious racemization of the axial chirality. Under different reaction conditions, cyclization reactions of alpha-allenol 2i prepared have been studied for the synthesis of different 2,5-dihydrofuran derivatives.
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