A modular approach to α,β-unsaturated N-aryl ketonitrones
摘要:
A modular approach to alpha,beta-unsaturated N-aryl ketonitrones has been developed. Specifically, condensation of anilines and enals followed by alkylation of the resulting alpha,beta-unsaturated imines provided N-allyl anilines, which were subjected to oxidation with Oxone (R) to form alpha,beta-unsaturated N-aryl ketonitrones. This modular approach is general and provides rapid access to diversely substituted alpha,beta-unsaturated N-aryl ketonitrones with a single purification step in good yields. (c) 2012 Elsevier Ltd. All rights reserved.
Hydrocyanation of Unsaturated Imines Using Potassium Hexacyanoferrate(II) as a Cyanide Source
作者:Zheng Li、Fei Wen、Jingya Yang
DOI:10.1002/cjoc.201400635
日期:2014.12
γ‐unsaturated α‐aminonitriles by a one‐pot two‐step procedure using potassium hexacyanoferrate(II) as a cyanide source and benzoyl chloride as a promoter under catalyst‐free condition is described. The advantages of this protocol are the use of a nontoxic, nonvolatile and inexpensive cyanatingagent, no use of transition metal catalysts, high yield and simple work‐up procedure.