253197
二苯并-24-冠醚-8
98%
别名:
2,3,14,15-二苯并-1,4,7,10,13,16,19,22-八氧环二十四-2,14-二烯, 6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n]-1,4,7,10,13,16,19,22-octaoxacyclotetracosane
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经验公式（希尔记法）:
C24H32O8
化学文摘社编号:
分子量:
448.51
Beilstein:
1693744
EC 号:
MDL编号:
UNSPSC代码:
12352005
PubChem化学物质编号:
NACRES:
NA.22
方案
98%
mp
103-105 °C (lit.)
官能团
ether
SMILES字符串
C1COCCOc2ccccc2OCCOCCOCCOc3ccccc3OCCO1
InChI
1S/C24H32O8/c1-2-6-22-21(5-1)29-17-13-25-9-10-27-15-19-31-23-7-3-4-8-24(23)32-20-16-28-12-11-26-14-18-30-22/h1-8H,9-20H2
InChI key
UNTITLLXXOKDTB-UHFFFAOYSA-N
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一般描述
二苯并-24-冠8-醚是一种大环化合物，可与金属离子形成络合物增强其溶解性和反应性，在有机合成中有多种功能。也用作各种有机反应的相转移催化剂，包括有机碳酸酯的合成与酚的烷基化反应。
应用
二苯并-24-冠-8可作为transporter，用于合成噻唑基单支和三支轮烷。也用作共溶剂和相转移催化剂，配合氟化铯建立更高效的有机合成无水氟化体系。
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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Most attributes of the bulk materials, especially in the solid-state, are directly dictated by a manner by which the molecules are ordered. Thus, it is expected that the possibility of controlling these structural orders would allow predominating some particular physical
Mateusz Woźny et al.
Dalton transactions (Cambridge, England : 2003), 48(19), 6546-6557 (2019-04-24)
[2]rotaxanes composed of a dibenzo-24-crown-8 wheel (DB24C8) and an axle containing two metal-complexing tetraazamacrocyclic units linked with a p-xylylene bridge, coordinating the same or different metal ions (Ni and/or Cu) are described. A symmetric di-Ni rotaxane crystallizes in the monoclinic
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A type of dual-emission probe with highly recognizable luminescence-response to pH has been designed. For the prepared core-shell polymeric hydrogel nanoparticles probe (Eu(DBM)3Phen doped polystyrene (PS)-co-poly(N-isopropylacrylamide)(PNIPAM)/FITC), the red emission of inner encapsulated europium complexes Eu(DBM)3Phen is remained in the hydrophobic
Tao Han et al.
Organic letters, 8(6), 1069-1072 (2006-03-10)
[reaction: see text] A novel triptycene-based bis(crown ether) host (1) incorporating two dibenzo-24-crown-8 ether moieties has been synthesized. It can form not only a new bis[2]pseudorotaxane with dibenzylammonium salts but also stable clip-shaped complexes with paraquat derivatives. Moreover, the complexation
Travis B Gasa et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(1), 106-116 (2008-12-17)
Paraquat bis(hexafluorophosphate) undergoes stepwise dissociation in acetone. All three species-the neutral molecule, and the mono- and dications-are represented significantly under the experimental conditions typically used in host-guest binding studies. Paraquat forms at least four host-guest complexes with dibenzo[24]crown-8. They are
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