Description Cyclopentylzinc bromide is an organozinc reagent that can be used in:The synthesis of polyfunctional indoles by reacting with various aryldiazonium saltsviaFischer indole synthesis.Negishi cross-coupling reactions with various haloarenes in presence of Pd-complex catalyst.The preparation of aryl alkyl ketones by alkylation of arylN-methyl-N-tosyl orN-benzyl-N-(tert-butoxycarbonyl) amide derivatives in the presence of Ni catalyst and imidazolidinylidene ligand.