发明名称 |
POLYROTAXANE AND PROCESS FOR PRODUCING THE SAME |
摘要 |
A process for producing a polyrotaxane in a high yield and at a satisfactory cost without using a large excess of a pseudopolyrotaxane and/or without using a large excess of an activated reagent. The process for polyrotaxane production comprises: an inclusion step in which acarboxylatedpolyethylene glycol which is a polyethylene glycol carboxylated at each end is mixed with cyclodextrin molecules to obtain a pseudopolyrotaxane which comprises cyclodextrin molecules which include the carboxylated polyethylene glycol in their cavities as if the cyclodextrin molecules are spitted with the carboxylated polyethylene glycol; and a capping step in which the pseudopolyrotaxane is reacted with capping groups having -NH2 or -OH to obtain a polyrotaxane terminated at each end by a -CO-NH-(capping group) or -CO-O-(capping group).
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申请公布号 |
CA2547691(C) |
申请公布日期 |
2012.08.21 |
申请号 |
CA20042547691 |
申请日期 |
2004.11.24 |
申请人 |
THE UNIVERSITY OF TOKYO |
发明人 |
ITO, KOHZO;ARAKI, JUN;ZHAO, CHANGMING |
分类号 |
C08B37/16;C08G65/332;A61L27/18;C08B37/00;C08L5/16;C08L71/02 |
主分类号 |
C08B37/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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