Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1990-09-10
1992-04-07
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544229, 546 14, 356413, 210656, C07F 702, C07F 710, C02F 128
Patent
active
051030004
ABSTRACT:
A packing for use in chromatography which comprises a cyclic amino-substituted silane compound having the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.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.sup.1, R.sup.2 and R.sup.3 are an alkoxy group or a halogen atom; R.sup.4 is .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 group on its surface, and a method for separating water soluble organic compounds by chromatography using said packing.
REFERENCES:
patent: 4847159 (1989-07-01), Glajch et al.
patent: 4927812 (1990-05-01), Carson et al.
patent: 4948888 (1990-08-01), Greco et al.
Akiyama Shuzo
Kadoya Junichi
Kamada Yutaka
Nakashima Kenichiro
Shimizu Yasumi
Daiso Co. Ltd.
Dees Jos,e G.
Nazario Porfirio
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