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Intramolecular Ti-mediated alkene–amide couplings of a range of N-alk-3-enyl amides fitted with a substituent at the homoallylic position are described. CF 3 -substituted compounds are suitable substrates and bicyclic aminocyclopropanes bearing a CF 3 group can be prepared in this way. Good diastereoselectivities can be observed depending on the substitution pattern, and best results...
The transformation of the benzanilides 1 into 4-arylisochroman-3-acetic acids 8 applying the following sequence of reactions is described. At first, the 3-arylphthalides 3 were obtained via metallation [n-BuLi] of benzanilides 1 and subsequent treatment of the generated bis-lithiated anilides 2 with aromatic aldehydes. Next, the 3-arylphthalides 3 were reduced [LiBH 4 ] to phthalanes 5 and...
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