Selective Methylation of NH-Containing Heterocycles and Sulfonamides Using N,N-Dimethylformamide Dimethylacetal Based on Calculated pK a Measurements

Selective Methylation of NH-Containing Heterocycles and Sulfonamides Using N,N-Dimethylformamide Dimethylacetal Based on Calculated pK a Measurements
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基于计算的 pKa 测量,使用 N,N-二甲基甲酰胺二甲缩醛选择性甲基化含 NH 杂环和磺酰胺

DOI:
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发表时间:
2013
期刊:
Synlett : Accounts and Rapid Communications in Synthetic Organic Chemistry
影响因子:
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通讯作者:
Ryan D. R. Greenwood
Ryan D. R. Greenwood
中科院分区:
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文献类型:
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作者:
G. Fairley;C. Hall;Ryan D. R. Greenwood

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研究了N,N-二甲基甲酰胺-二甲缩醛(DMF-DMA)作为一种合适的氨基和杂环甲基化试剂。利用反应阵列和计算的pKa测量,可以整理更多的有用信息,以确定各种底物的最佳反应条件。
Abstract The use of N,N-dimethylformamide dimethylacetal (DMF-DMA) as a suitable methylating agent for the methylation of NH-containing groups and heterocycles has been investigated. Use of ReactArray and calculated pK a measurements have allowed additional helpful information to be collated to determine optimum reaction conditions for a variety of substrates.