Reactant for enantioselective synthesis of indoles via palladium-catalyzed kinetic asymmetrical alkylation. Reactant for preparation of N-pyridinyl indolecarboxamides via amidation of aminopyridine derivatives. with indolecarboxylic acid 2 Reactant for preparation of mast cell tryptase inhibitors, starting from indoles; using amidation as the key step 3 Reactant for formation of Michael adducts via Baylis-Hillman reaction 4 Reactant for preparation of indolecarboxamides via haloform cleavage of (trifluoroacetyl)indole with lithium dialkylamides.