Packing for chromatography and its use for separating water soluble organic compounds.

摘要

A packing for use in chromatography which comprises a cyclic amino-substituted silane compound having the formula (I): wherein R<1>, R<2> and R<3> are the same or different and are each an alkyl having 1 to 5 carbon atoms, an alkoxy having 1 to 3 carbon atoms, hydroxy or a halogen atom in which at least one of R<1>, R<2> and R<3> are an alkoxy group or a halogen atom; R<4> is an omega -piperidino, omega -piperazino or omega -morpholino group which is optionally substituted by a straight chain or branched chain lower alkyl group; n is an integer of from 2 to 10, said compound being grafted onto an inorganic carrier having hydroxyl groups on its surface, and a method for separating water soluble organic compounds by chromatography using said packing.