Titanium Chelation in Regioselective Mic
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Stephen J Brocchini; Richard G Lawton
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Article
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1997
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Elsevier Science
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French
โ 564 KB
The site of Michaeladditionof ~-heteroatom substitutedthiols (such as mercaptoethanol)to unsubstituted2, 4-diectoneand 2, 4, 6-trienonesis at the terminal(en)position. This site preferenceis transferred to the (3site when the addition is accomplishedusing Ti+4 complexation. These ~site additionprodu