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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所有图片(1)
About This Item
经验公式（希尔记法）:
C24H32O8
CAS号:
分子量:
448.51
Beilstein:
1693744
EC號碼:
MDL號碼:
分類程式碼代碼:
12352005
PubChem物質ID:
NACRES:
NA.22
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一般說明
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。
應用
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。
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
其他客户在看
Nozar Moradi et al.
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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
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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
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
Jian-Min Zhao et al.
The Journal of organic chemistry, 73(17), 6800-6806 (2008-08-05)
The triptycene-based macrotricyclic host containing two dibenzo-[24]-crown-8 moieties has been found to form stable 1:1 or 1:2 complexes in different complexation modes with different functional paraquat derivatives and secondary ammonium salts in solution and in the solid state. Consequently, the
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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