N-GLYCOSIDE TYPE GLYCOLIPIDS AND HOLLOW FIBER TYPE ORGANIC NANOTUBES MADE OF THE SAME

Title:

N-GLYCOSIDE TYPE GLYCOLIPIDS AND HOLLOW FIBER TYPE ORGANIC NANOTUBES MADE OF THE SAME

Document Type and Number:

WIPO Patent Application WO/2004/065399

Kind Code:

A1

Abstract:

It is intended to provide a novel hollow fiber type organic nanotube and a microtube which can be conveniently produced within a short time and are widely usable. An N-glycoside type glycolipid represented by the following general formula (1): G-NHCO-R (1) wherein G represents a sugar residue prepared by removing a hemiacetal hydroxyl group bonded to the anomeric carbon of the sugar; and R represents unsaturated C_10-39 hydrocarbyl. When this N-glycoside type glycolipid is dissolved in water, slowly cooled and then allowed to stand at room temperature, molecules thereof undergo self-accumulation to form a hollow fiber-type organic nanotube which has an average outer diameter of from 70 to 500 nm, an average inner diameter (average diameter of the cavity) of from 40 to 300 nm and a length of from about several hundred nm to several hundred µm.

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Inventors:

KAMIYA SHOKO (JP)
SHIMIZU TOSHIMI (JP)
JUNG JOHN HWA (JP)

Application Number:

PCT/JP2003/016830

Publication Date:

August 05, 2004

Filing Date:

December 25, 2003

Export Citation:

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Assignee:

JAPAN SCIENCE & TECH AGENCY (JP)
NAT INST OF ADVANCED IND SCIEN (JP)
KAMIYA SHOKO (JP)
SHIMIZU TOSHIMI (JP)
JUNG JOHN HWA (JP)

International Classes:

C07H13/06; B82B1/00; B82B3/00; C07H5/04; C07H5/06; (IPC1-7): C07H5/06; B82B1/00

Domestic Patent References:

WO1992017212A1

1992-10-15

Foreign References:

US4683222A	1987-07-28
US5910490A	1999-06-08
JPS62209092A	1987-09-14
EP0285178A2	1988-10-05
JPH11255791A	1999-09-21
EP1186688A1	2002-03-13
JP2000271192A	2000-10-03
JP2002322190A	2002-11-08
EP1186688A1	2002-03-13

Other References:

YANG B. ET AL: "Effective shortening in length of glycolipid nanotubes with high axial ratios", CHEMISTRY LETTERS, vol. 32, no. 12, 2003, pages 1146 - 1147, XP002978012
See also references of EP 1609796A4
TETRAHEDRON LETTERS, vol. 32, no. 12, 1991, pages 1557 - 1560
CARBOHYDRATE RESEARCH, vol. 324, 2000, pages 97 - 106
CHEMICAL ABSTRACTS, vol. 126, no. 14, 1997, pages 754
TSUJIMOTO ET AL.: "Synthesis and Enzyme Hardening of Microfibers Utilizing Vegetable Oils and Fats", POLYMER SOCIETY ANNUAL MEETING ABSTRACT, vol. 51, pages 305
POLYMER REPRINTS, JAPAN, vol. 51, no. 2, 2002

Attorney, Agent or Firm:

Shimoda, Akira (Kyobashi-Nichiei Biru 3-4, Kyobashi 3-chom, Chuo-ku Tokyo, JP)

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