| 摘要 |
PCT No. PCT/EP94/03812 Sec. 371 Date Jun. 27, 1996 Sec. 102(e) Date Jun. 27, 1996 PCT Filed Nov. 17, 1994 PCT Pub. No. WO95/14382 PCT Pub. Date Jun. 1, 1995The process of reducing the count of a virus by contacting the virus with (1) the reaction product of a) N-substituted propylenediamines corresponding to formula I:R1-NH-CH2-CH2-CH2-NH2(I) In which R1 is a linear alkyl radical containing 12 to 14 carbon atoms, with b) compounds corresponding to formula II: <IMAGE> (II) in which R2 is an alkyl radical containing 1 to 4 carbon atoms or a hydrogen atom, the molar ratio of a) to b) is 1:1 to 1:2 and the reaction is carried out over a period of 0.5 to 10 hours at 60 DEG C. to 175 DEG C. with elimination of alcohol or water, and optionally, (2) wherein the reaction product is further reacted with ethylene oxide or propylene oxide, and optionally, (3) salt formation of the products obtained in (1) or (2) with inorganic or organic acids.
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