76429-74-8Relevant articles and documents
Relevance of Conformational Constraints to the Regioselective Lithiation of Aromatic Diethers. Application to the Convenient Construction of the DEF Tricyclic Subunit of the Austalides
Paquette, Leo A.,Schulze, Matthias M.,Bolin, David G.
, p. 2043 - 2051 (2007/10/02)
The lithiation of 29 and 30 is shown to occur at all three sites with a dissimilar kinetic preference.For the dihydrofuran, reaction at the proton labeled Hβ' operates predominantly; in the dihydropyran example, Hα is the favored sit