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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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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化驗
98%
mp
103-105 °C (lit.)
官能基
ether
SMILES 字串
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 密鑰
UNTITLLXXOKDTB-UHFFFAOYSA-N
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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
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
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
Chhanda Mukhopadhyay et al.
Organic & biomolecular chemistry, 10(7), 1434-1439 (2012-01-04)
"Three methylene spacer" bis(benzimidazolium) derivatives act as a new template for threading dibenzo-24-crown-8 into [2]pseudorotaxanes. In this Article we sought to unveil the difference in the extent of threading of various "three methylene spacer" bis-benzimidazolium moieties based on differences in
Frédéric Coutrot et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(21), 5186-5190 (2009-02-21)
Molecular machines boarding now! Molecular machines containing dibenzo[24]crown-8 (DB24C8) and based on an anilinium and a pyridinium amide station have been prepared. The DB24C8 shuttles upon variation of pH and interacts differently with the pyridinium amide station depending on its
Lei Fang et al.
Journal of the American Chemical Society, 131(20), 7126-7134 (2009-05-08)
A versatile synthetic strategy, which was conceived and employed to prepare doubly threaded, bistable [c2]daisy chain compounds, is described. Propargyl and 1-pentenyl groups have been grafted onto the stoppers of [c2]daisy chain molecules obtained using a template-directed synthetic protocol. Such
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