Lewis acid promoted aldol additions of α
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Anna Bernardi; Silvia Cardani; Cesare Gennari; Giovanni Poli; Carlo Scolastico
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Article
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1985
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Elsevier Science
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French
⚖ 190 KB
MgBr mediated addition of to A'and Methyl &-methylthio propionate silylketene acetal o(,p-alkoxy aldehydes is highly 3,4 syn-selective (18:l). syn-d-methylene$-hydroxy-s-alkoxy esters (6) and (8) are synthesized. We recently reported that I butyIP-dimethylamino propionate, a synthetic equivalent of