所有图片(1)
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
经验公式（希尔记法）:
C24H32O8
CAS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
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质量水平
检测方案
98%
mp
103-105 °C (lit.)
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。
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
法规信息
新产品
Nozar Moradi et al.
Analytica chimica acta, 1108, 118-128 (2020-03-31)
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
Hou Liu et al.
Talanta, 211, 120755-120755 (2020-02-20)
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
T Gallagher et al.
Acta crystallographica. Section B, Structural science, 47 ( Pt 3), 362-368 (1991-06-01)
The crystal structures of the dipotassium and the mixed sodium/potassium picrate complexes with the crown ether dibenzo-24-crown-8 (DB24C8) were solved and found to be nearly identical. (I): NaK-pic2(DB24C8), [NaK(C6H2N3O7)2(C24H32O8)]. Mr = 966.8, triclinic, P1, a = 8.164 (2), b =
Zhi-Jun Ding et al.
The Journal of organic chemistry, 76(6), 1910-1913 (2011-02-16)
A novel [2]pseudorotaxane was successfully constructed by the complexation of dibenzo[24]-crown-8 (DB24C8) derivative bearing terpyridine moiety (1) with lanthanide ion (Tb(3+)) and fullerene-containing ammonium salt (2), exhibiting the controlled photophysical behaviors as a reversible luminescent lanthanide switch in the presence
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