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41024-91-3 - Pentaethylene glycol di-p-toluenesulfonate, 95% - Pentaethylene glycol di-p-tosylate - 3,6,9,12-Tetraoxatetradecane-1,14-diyl di-p-toluenesulfonate - L14369 - Alfa Aesar

L14369 Pentaethylene glycol di-p-toluenesulfonate, 95%

CAS Number
41024-91-3
Synonyms
Pentaethylene glycol di-p-tosylate
3,6,9,12-Tetraoxatetradecane-1,14-diyl di-p-toluenesulfonate

Size Price ($) Quantity Availability
1g 22.50
5g 55.60
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Pentaethylene glycol di-p-toluenesulfonate, 95%

MDL
MFCD00012204

Chemical Properties

Formula
C24H34O10S2
Formula Weight
546.66
Flash Point
>110°(230°F)
Density
1.260
Refractive Index
1.5225
Sensitivity
Hygroscopic
Solubility
Not miscible or difficult to mix in water.

Applications

Pentaethylene glycol di-p-toluenesulfonate is used in the preparation of calix[4]arenes, calix[5]arenes, and crown ethers. It is also used in the preparation of 3?-formylbenzo-18-crown-6 by undergoing coupling reaction with 2,3-dihydroxybenzaldehyde.

Notes

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. It is hygroscopic in nature.

Literature References

Hong-Seok Kim.; Ii-Chun Kwon.; Jun-Hyeak Choi. Synthesis of crown ethers containing a thiazole subcyclic unit.  Journal of Heterocyclic Chemistry. 1999 36 (5), 1285-1289.

Chuqiao Tu.; Dazhan Liu.; Kazimierz Surowiec.; David W. Purkiss.; Richard A. Bartsch. Di-ionizable p-tert-butylcalix[4]arene-1,2-crown-5 and -crown-6 compounds in the cone conformation: synthesis and alkaline earth metal cation extraction. Org. Biomol. Chem. 2006, 4 (11), 2938-2944.

Other References

Beilstein
3599245
Harmonized Tariff Code
2909.49
TSCA
No

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