Merck
CN

C4892

Sigma-Aldrich

γ-环糊精

≥98%

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别名:
Schardinger γ-Dextrin, 环八淀粉, 环麦芽八糖
经验公式(希尔记法):
C48H80O40
CAS号:
分子量:
1297.12
Beilstein:
78740
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

生物来源

microbial

检测方案

≥98%

形式

powder

technique(s)

HPLC: suitable

溶解性

1 M NH4OH: 50 mg/mL

SMILES string

[H][C@]1(O[C@H](COC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@@H]2[C@@H](COC(C)=O)O[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O

InChI

1S/C48H80O40/c49-1-9-33-17(57)25(65)41(73-9)82-34-10(2-50)75-43(27(67)19(34)59)84-36-12(4-52)77-45(29(69)21(36)61)86-38-14(6-54)79-47(31(71)23(38)63)88-40-16(8-56)80-48(32(72)24(40)64)87-39-15(7-55)78-46(30(70)22(39)62)85-37-13(5-53)76-44(28(68)20(37)60)83-35-11(3-51)74-42(81-33)26(66)18(35)58/h9-72H,1-8H2/t9-,10-,11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48-/m1/s1

InChI key

GDSRMADSINPKSL-HSEONFRVSA-N

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一般描述

γ-环糊精是一种环状低聚糖,含有八个通过α-1,4-糖苷键连接的葡萄糖单元。它可在水溶液中能与各种有机分子形成主客体复合物或包合物。因此,环糊精广泛用于食品和制药行业,用于敏感精细化学品的包合。

应用

γ-环糊精可用作:
  • 催化剂,通过硝酮与苯乙烯和肉桂酸酯的1, 3-偶极子环加成反应合成取代异恶唑烷。
  • 有机配体,通过生物相容性金属离子合成基于环糊精的金属有机框架。
  • 反应物,在存在NaH的条件下,通过烯丙基卤化物的过烯丙基化,合成O-过烯丙基化环糊精。

特点和优势

  • 绿色环保
  • 无生物毒性
  • 可生物降解

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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Takaaki Harada et al.
The journal of physical chemistry. B, 115(5), 1268-1274 (2011-01-05)
Diamide linked γ-cyclodextrin (γ-CD) dimers are used to capture curcumin and suppress its decomposition in water. In this study, succinamide and urea linked γ-CD dimers joined through the C6(A) carbon on each γ-CD are used. The γ-CD dimers, 66γCD(2)su and
A K Mishra et al.
International journal of biological macromolecules, 49(4), 504-512 (2011-06-22)
The synthesis of chitosan-graft-γ-cyclodextrin (Ch-g-γ-CD) using persulfate/ascorbic acid redox system was done and characterized by FTIR, XRD, TGA and SEM/EDX. The optimum yield of the copolymer was obtained using 16×10(-3) M γ-cyclodextrins (γ-CD), 2.8×10(-2) M ascorbic acid (AA), 1.8×10(-2) M
Jin Wang et al.
Macromolecular rapid communications, 33(13), 1143-1148 (2012-04-12)
A polypseudorotaxane (PPR) comprising γ-cyclodextrin (γ-CD) as host molecules and poly(N-isopropylacrylamide) (PNIPAM) as a guest polymer is prepared via self-assembly in aqueous solution. Due to the bulky pendant isopropylamide group, PNIPAM exhibits size-selectivity toward self-assembly with α-, β-, and γ-CDs.
Bin Chen et al.
Chemical communications (Cambridge, England), 48(45), 5638-5640 (2012-04-26)
Novel supramolecular hydrogels were formed between pyrene-terminated poly(ethylene glycol) star polymers and γ-cyclodextrin (γ-CD), through the inclusion complexation of dimers of the pyrene terminals with γ-CD, where γ-CD was directly used as a supramolecular cross-linking reagent without any modification.
Jong S Park et al.
Chemical communications (Cambridge, England), 47(16), 4736-4738 (2011-03-17)
We describe a novel anisotropic supramolecular gel made of cyclodextrin-dye, in which physical gelation is completed by lithium salt. Rheological experiment reveals the elastic behaviors of the hydrogel, and high ionic conductivity represents a good mobility of ions inside the

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