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Synthesis of homoallylic amines
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A
three-component condensation of aldehydes, benzyl carbamate and
allyltrimethylsilane, which affords corresponding protected homoallylic
amines in excellent yields, is catalyzed by iodine.
P. Phukan, J. Org. Chem., 2004, 69, 4005-4006.

A palladium complex catalyzes two transformations in one pot: formation of
allylsilane from allyl trifluoroacetate using hexamethyldisilane and subsequent
imine allylation. A three-component reaction was developed where preformed
imines were replaced with aldehydes and anisidine. Under these reaction
conditions various aldehydes react smoothly to afford homoallylic amines.
R. E. Grote, E. R. Jarvo, Org. Lett., 2009,
11, 485-488.

A convenient and efficient method for aminobromination of
alkylidenecyclopropanes is reported. This is exemplified in the
stereoselective preparation of N-[(Z)-3-bromobut-3-en-1-yl]-p-toluenesulfonamides
by using p-toluenesulfonamide and N-bromosuccinimide (NBS) as
nitrogen and bromine sources, respectively.
X. Huang, W.-J. Fu,
Synthesis, 2006, 1016-1017.
