摘要 |
PCT No. PCT/EP94/00034 Sec. 371 Date Oct. 12, 1995 Sec. 102(e) Date Oct. 12, 1995 PCT Filed Jan. 8, 1994 PCT Pub. No. WO94/17033 PCT Pub. Date Aug. 4, 1994The invention relates to a process for the production of C-substituted diethylenetriamines of general formula <IMAGE> in which R1, R2, R3 and R4 have different meanings. |