Facile and selective synthesis of chloronicotinaldehydes by the Vilsmeier reaction
作者： B. Gangadasu , P. Narender , S. Bharath Kumar , M. Ravinder , B. Ananda Rao
DOI: 10.1016/J.TET.2006.06.026
关键词:
摘要: … A DMF solution of enamide was added to the excess Vilsmeier reagent (7 equiv) initially prepared from DMF and POCl 3 /diphosgene/triphosgene. The reaction mixture was held at …
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