259764
对甲苯磺酸酐
97%
别名:
4-甲基苯磺酸酐, 4-甲苯磺酸酐, 对甲苯磺酰基4-甲苯磺酸酯, 对甲苯磺酰酐, 对甲苯磺酸酐, 甲苯-4-磺酸酸酐, （4-甲苯基）磺酰基 4-甲苯磺酸酯
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关于此项目
线性分子式:
(CH3C6H4SO2)2O
化学文摘社编号:
分子量:
326.39
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
223-926-9
Beilstein/REAXYS Number:
2223702
MDL number:
产品名称
对甲苯磺酸酐, 97%
InChI key
PDVFSPNIEOYOQL-UHFFFAOYSA-N
InChI
1S/C14H14O5S2/c1-11-3-7-13(8-4-11)20(15,16)19-21(17,18)14-9-5-12(2)6-10-14/h3-10H,1-2H3
SMILES string
Cc1ccc(cc1)S(=O)(=O)OS(=O)(=O)c2ccc(C)cc2
assay
97%
form
solid
mp
121-127 °C (lit.)
functional group
tosylate
Quality Level
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Application
以 p -甲苯磺酸酐为试剂，研究了钯催化的烯丙基醇与 n-丙烯酸丁酯的烯丙基烯化反应 。
General description
p -甲苯磺酸酐作为亲电物种在原位活化 2-脱氧-糖半缩醛 ，与亲核受体发生立体选择性反应得到 β-异构体 。
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Naofumi Tsukada et al.
Chemical communications (Cambridge, England), (19)(19), 2404-2405 (2003-11-01)
Various allylic alcohols reacted with n-butyl acrylate in the presence of p-toluenesulfonic anhydride and palladium catalysts to yield the corresponding n-butyl 2,5-dienoates with high regioselectivity.
John Paul Issa et al.
Journal of the American Chemical Society, 136(15), 5740-5744 (2014-03-29)
The efficient and stereoselective construction of glycosidic linkages remains one of the most formidable challenges in organic chemistry. This is especially true in cases such as β-linked deoxy-sugars, where the outcome of the reaction cannot be controlled using the stereochemical
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