It can be used for the reactant in [3+2] annulation reactions，in preparation of inhibitors of mammalian secreted phospholipases A2， teh reactant in Heck reactions,reactant in preparation of indole fatty alcohol derivatives and reactant in methylation reactions Methyl 4-methoxy-2-indolecarboxylate is suitable for use in the production of dyes by Escherichia coli expressing naphthalene dioxygenase (NDO) and toluene dioxygenase (TDO).It is also suitable for use in the production of dyes by E. coli expressing multicomponent phenol hydroxylase (mPH) from Pseudomonas sp. strains KL33 and KL28. It can be used for the reactant in [3+2] annulation reactions，in preparation of inhibitors of mammalian secreted phospholipases A2， teh reactant in Heck reactions,reactant in preparation of indole fatty alcohol derivatives and reactant in methylation reactions Methyl 4-methoxy-2-indolecarboxylate is suitable for use in the production of dyes by Escherichia coli expressing naphthalene dioxygenase (NDO) and toluene dioxygenase (TDO).It is also suitable for use in the production of dyes by E. coli expressing multicomponent phenol hydroxylase (mPH) from Pseudomonas sp. strains KL33 and KL28.