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Patent Searching and Data


Title:
CYCLODEXTRIN HAVING FORMYLATED BRANCH AND PREPARATION THEREOF
Document Type and Number:
Japanese Patent JPH0368602
Kind Code:
A
Abstract:
PURPOSE:To enable the formylation of only the branched part to thereby enable immobilization by reacting a branched cyclodextrin with a guest compd. and oxidizing the reaction product with periodic acid. CONSTITUTION:One mol of a branched cyclodextrin having a branched part comprising a saccharide contg. at least two vicinal OH groups and a cyclic part comprising alpha-, beta-, or gamma-cyclodextrin is mixed with 0.1-0.3mol of a guest compd. and is allowed to stand for 1-24hr at room temp. to cause the branched cyclodextrin to include the guest compd. 0.001-1mol of a periodata is added to the reaction product, which is then treated in an aq. solvent at 0-20 deg.C for 0.5-10hr and, if necessary, washed and purified to give a branched cyclodextrin wherein only the branched part is formylated.

Inventors:
YAMADA TETSUYA
HISAMATSU MAKOTO
MUNECHIKA KAZUO
Application Number:
JP20601089A
Publication Date:
March 25, 1991
Filing Date:
August 09, 1989
Export Citation:
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Assignee:
TAITO KK
International Classes:
C08B37/16; (IPC1-7): C08B37/16
Attorney, Agent or Firm:
Minoru Nakamura (7 outside)