Direct Methenylation of 4-Alkylpyridines Using Eschenmoser’s Salt
Direct Methenylation of 4-Alkylpyridines Using Eschenmoser’s Salt
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使用 Eschenmoser 盐直接甲基化 4-烷基吡啶
DOI:
10.1055/a-1916-5335
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发表时间:
2022
期刊:
影响因子:
2
通讯作者:
Pigge, F. Christopher
中科院分区:
文献类型:
--
作者:
Shivers, Grant N.;Tun, Soe L.;McLean, Shay L.;Pigge, F. Christopher
4-Alkylpyridines are converted into conjugated 1,1-disubstituted alkenyl pyridines (vinyl pyridines) upon treatment with excess ethyl chloroformate, triethylamine, and Eschenmoser’s salt. The reaction proceeds under mild conditions via alkylidene dihydropyridine intermediates.