发明名称 |
VERFAHREN ZUR HERSTELLUNG VON MIT POLYAZACYCLOALKANEN GEPROPFTEN KIESELSÄUREGELEN UND DEREN VERWENDUNG |
摘要 |
<p>The invention concerns a method for preparing polyazacycloalkanes immobilised on a silica gel from a polyazacycloalkane of formula (A) in which: R1 and R2 represent a hydrogen atom, an alkyl radical, or a [hetero(aryl)]alkyl radical; W1, W2 and W3 represent a radical of formula (B): -[(CT1T2)n-[N(R3)]p-(CT3T4)m]l- such as defined in the description; R3 represents a hydrogen atom, an alkyl radical or a [hetero(aryl)]alkyl radical, provided that the polyazacycloalkane ring of the compound of formula (A) comprises not more than 30 cyclic carbon atoms, and not more than 6 cyclic nitrogen atoms. The invention is characterised in that: (a) the compound of formula (A) is reacted with a compound of formula (C): Z-R4-Si(X1)(X2)(X3), such as defined in the description to form a compound of formula (D); (b) said compound of formula (D) is condensed on the silanol sites of a silica gel to form the immobilised polyazacycloalkane of formula (E); and (c) some ethanol sites having not reacted are, if required, protected by Z', a group protecting the hydroxyl function. The invention is useful for separating oxygen from air.</p> |
申请公布号 |
DE69901161(T2) |
申请公布日期 |
2002.11.28 |
申请号 |
DE1999601161T |
申请日期 |
1999.01.22 |
申请人 |
COMMISSARIAT A L'ENERGIE ATOMIQUE, PARIS;L'AIR LIQUIDE, S.A. POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
发明人 |
MEHDI, AHMAD;DENAT, FRANCK;BARBETTE, FREDERIC;GUILARD, ROGER;LAGRANGE, GILLES |
分类号 |
B01J20/32;B01J45/00;C07F7/18;(IPC1-7):B01J45/00 |
主分类号 |
B01J20/32 |
代理机构 |
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代理人 |
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