process for the production of acid, 3 - indolpiruvico and its derivatives, their pharmaceutical use

摘要

PCT No. PCT/IT88/00041 Sec. 371 Date Feb. 3, 1989 Sec. 102(e) Date Feb. 3, 1989 PCT Filed Jun. 1, 1988 PCT Pub. No. WO88/09789 PCT Pub. Date Dec. 15, 1988.The present invention is directed to 3-indolepyruvic acid derivatives, compositions and methods of treating central nervous system disturbances due to the presence of an excessive amount of excitatory amino acids.