Abstract:Background:
In this current work, a new synthesis strategy was developed to obtain 1,3,4-trisubstituted pyrazoles derivatives.
Methods:
A series of 1,3,4-trisubstituted pyrazoles have been prepared via 1,3-dipolar cycloaddition reaction of 3-phenylsydnones with a variety of alkenes derivatives, symmetric and non-symmetric alkynes derivatives, N-phenyl-maleimide, N-benzyl-maleimides and maleic anhydride under conventional manner.
Results:
Moreover, in this work it has been demonstrated that the 4-bromopyraz… Show more
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