Journal of Organic Chemistry p. 2488 - 2501 (1995)
Update date:2022-08-04
Topics:
Beruben, Dov
Marek, Ilane
Normant, Jean F.
Platzer, Nicole
1,1- or n,n-Bismetallic reagents bearing a methoxymethyl ether in the γ position undergo cyclization at room temperature to give monometalated, diastereoselectively substituted cyclopropanes.The nature of the substituents is crucial for this diastereoselection, a ?-chelation between one metal and a properly located unsaturation, as well as 1,2-strain, are proposed to explain the steric outcome of these reactions.
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