ChemInform Abstract: N<sub>2</sub>O<sub>4</sub> Chemisorbed onto n‐Propylsilica Kryptofix 21 and Kriptofix 22 as Two New Functional Polymers for the Fast Oxidation of Urazoles and 1,4‐Dihydropyridines.

Chehardoli, Gholamabbas; Zolfigol, Mohammad Ali; Ghaemi, Ezat; Madrakian, Elaheh; Niknam, Khodabakhsh; Mallakpour, Shadpour

doi:10.1002/chin.201248029

Cited by 1 publication

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“…Therefore, the same strategy was applied using silica-supported functional crown ethers, such as the commercially available Kryptofix 21 and Kryptofix 22, making the oxidation system heterogeneous. 142 The biggest advantage of this solid-supported oxidant is the easy workup by filtration, the enhanced stability of the active species, and the possibility to recover the solid support and retreat it with a N 2 O 4 gas stream. The main drawback is the excessive cost of these tailored reagents.…”

Section: Chemical Reviewsmentioning

confidence: 99%

Triazolinediones as Highly Enabling Synthetic Tools

et al. 2016

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Triazolinediones (TADs) are unique reagents in organic synthesis that have also found wide applications in different research disciplines, in spite of their somewhat "exotic" reputation. In this review, we offer two case studies that demonstrate the possibilities of these versatile and reliable synthetic tools, namely, in the field of polymer science as well as in more recently emerging applications in the field of click chemistry. As the general use of triazolinediones has always been hampered by the limited commercial and synthetic availability of such reagents, we also offer a review of the available TAD reagents, together with a detailed discussion of their synthesis and reactivity. This review thus aims to serve as a practical guide for researchers that are interested in exploiting and further developing the exceptional click-like reactivity of triazolinediones in various applications.

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Section: Chemical Reviewsmentioning

confidence: 99%