2017
DOI: 10.1016/j.tetlet.2017.05.036
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CDI-promoted direct esterification of P(O)-OH compounds with phenols

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Cited by 23 publications
(19 citation statements)
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“…44 31 P NMR (CDCl 3 ):  = 1.1 ppm; m/z 141 [M + H] + H 3 PO 4 : 31 P NMR (DMSO-d 6 ):  = -0.06 ppm. 31 P NMR (CDCl 3 ):  = 0 ppm}. This kind of dealkylation was observed by us during alcoholyses.…”
Section: Paper Synthesis Table 1 Direct Esterification Of Monobutylph...mentioning
confidence: 57%
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“…44 31 P NMR (CDCl 3 ):  = 1.1 ppm; m/z 141 [M + H] + H 3 PO 4 : 31 P NMR (DMSO-d 6 ):  = -0.06 ppm. 31 P NMR (CDCl 3 ):  = 0 ppm}. This kind of dealkylation was observed by us during alcoholyses.…”
Section: Paper Synthesis Table 1 Direct Esterification Of Monobutylph...mentioning
confidence: 57%
“…29 The esterification of P-acids, especially that of phosphinic acids, is a hot topic. Xiong and Tang together with co-workers elaborated the esterification of phosphinic acids applying coupling agents, such as N,N′-carbonyl diimidazole 30,31 or uronium-based salts, 30,32 or using cyclic diaryliodonium salts as the reactant, leading to diphenylation. 33 Our group has experience in the microwave (MW)-assisted direct esterification of P-acids.…”
Section: Paper Synthesismentioning
confidence: 99%
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“…also elaborated efficient esterifications of phosphinic acids with alcohols. They applied copper catalyst or activating agents [25][26][27].…”
Section: Possible Syntheses Of Phosphinates With Stress On the Mw-assmentioning
confidence: 99%
“…Dhawan 等 [23] 在 2010 年, 陈建添等 [28] 备磷酸混酯的研究中发现, 氯化硅(SiO 2 -Cl) (Scheme 14) [32] 和对甲苯磺酸-硅藻土复合材料(p-TsOH-Celite) [33] 均表现出较高的非均相催化活性, 特别是后者, 两种反 应底物磷酸二苯酯和乙醇的物质的量比仅为 1∶1, 反 应可以顺利进行(Scheme 15), 上述两种方法操作简单、 条件温和且转化效率高, 在室温~40 ℃条件下反应 10~40 min, 即可高效得到目标产物, 分离产率高达 96%. 近年来, 熊碧泉和唐课文课题组先后报道了将 Cu 催化的 Chan-Lam 类型的偶联反应 [37] 、N,N'-羰基二咪唑 (CDI) [38] 、脲阳离子盐 [39] 以及 N,N'-二环己基碳二亚胺 (DCC) [40] 催化的酯化反应, 应用于芳基、烷基磷酸混酯 的制备中, 然而, 反应活性较低, 结果也不尽如人意. [42] .…”
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