WebMay 2, 1994 · The alkylation of ambident anions of 2-oxopyridincs has been studied extensively, for 2- alkoxypyridines2 and N-alkyl-2-pyridones3 are valuable synthetic … Web图4 2-甲基吡啶衍生物的铱催化不对称烯丙基烷基化反应[11]Fig.4 Ir-catalyzed asymmetric allyl alkylation of 2-methylpyridine derivatives. ...
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WebSep 11, 2024 · ABSTRACT. A series of novel triazolothione, thiadiazole, triazole-functionalized furo/thieno[2,3-b]pyridine derivatives 9a–l, respectively, were prepared starting from 2 (1H) pyridone 3 through selective O/S-alkylation followed by Thorpe–Ziegler cyclization to form furo/thieno[2,3-b]pyridine derivatives 6.Compounds 6 on reaction with … WebHere we report the regioselective O -alkylation of 2-pyridones by TfOH-catalyzed carbenoid insertion. In the catalytic system, alkylation of 2-pyridone was achieved with … key box codes
N - vs. O -alkylation in the mitsunobu reaction of 2-pyridone
Web4-Benzyloxy-2(1H)-pyridone may be used for the synthesis of novel 2-pyridone derivatives. It may be used for the alkylation of the pyridine nitrogen under mild and anhydrous conditions, via reaction with n -Bu 4 I and KOBu- t .† WebUpon alkylation of pyrido [2,1-b ] [1,3,4]oxadiazines, ring opening may occur. Compound 160 (7:1 diastereomeric mixture) reacted with allyltrimethylsilane in a nucleophilic alkylation process in the presence of TiCl 4 yielding compound 161 with a diastereomeric ratio of 6.7:1. WebDec 7, 2024 · Here we report the regioselective O-alkylation of 2-pyridones by TfOH-catalyzed carbenoid insertion. In the catalytic system, alkylation of 2-pyridone was achieved with unprecedented... key box battery