2012
DOI: 10.1021/ja302537j
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Silver-Catalyzed Formal Inverse Electron-Demand Diels–Alder Reaction of 1,2-Diazines and Siloxy Alkynes

Abstract: A highly effective silver-catalyzed formal inverse electron-demand Diels-Alder reaction of 1,2-diazines and siloxy alkynes has been developed. The reactions provide ready access to a wide range of siloxy naphthalenes and anthracenes, which are formed in good to high yields, under mild reaction conditions, using low catalyst loadings.

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Cited by 78 publications
(57 citation statements)
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“…According to the literatures, the Diels-Alder cyclization reactions relied on Lewis acidity of the catalysts to a great extent [52][53][54][55][56][57]. Lewis acid site were able to activate enone dienophiles by lowering the activation barrier in the Diels-Alder reactions of enones [55].…”
Section: Catalytic Conversion Of Soybean Oilmentioning
confidence: 99%
“…According to the literatures, the Diels-Alder cyclization reactions relied on Lewis acidity of the catalysts to a great extent [52][53][54][55][56][57]. Lewis acid site were able to activate enone dienophiles by lowering the activation barrier in the Diels-Alder reactions of enones [55].…”
Section: Catalytic Conversion Of Soybean Oilmentioning
confidence: 99%
“…illustrates the chemical route of the DAR inv of 1,2-diazine 23 and siloxy alkyn 24 to the silyl-protected 2-naphthol (modified from Turkmen 53 ).…”
Section: Methodsmentioning
confidence: 99%
“…An example for a silver-catalyzed reaction phthalazines 23 and siloxy alkynes 24, reacting under loss of nitrogen to silylprotected 2-naphthols 26 53 is shown in Scheme 5.…”
Section: Synthesis Of Triazine Componentsmentioning
confidence: 99%
“…[2] Herein, we describe the discovery and development of a formal [2+2+2] cycloaddition of siloxy alkynes with phthalazines, a process that had not been previously described for either 1,2-diazines or electron-rich alkynes. [3][4][5][6][7] This effort has not only afforded heterocyclic products with a unique pentacyclic ring system but has also enabled the identification of a novel chemotype that inhibits glycolytic ATP production by direct blockage of glucose uptake in CHO-K1 cells. As a result of the prevalence of the Warburg effect in many human cancers, such compounds may prove useful in the development of new therapeutics which target reprogrammed energy metabolism of rapidly proliferating cells.…”
mentioning
confidence: 99%