126400-65-5Relevant articles and documents
Nmp-based ionic liquids: Recyclable catalysts for both hetero-Michael addition and Knoevenagel condensation in water
Yang, Pengkun,Liu, Yawei,Chai, Ling,Lai, Zhenzhen,Fang, Xiaomin,Liu, Baoying,Zhang, Wenkai,Lu, Minghua,Xu, Yuanqing,Xu, Hao
supporting information, p. 1060 - 1067 (2018/05/23)
A series of novel N-methyl piperidine (Nmp)-based ionic liquids with 1,2-propanediol group are synthesized and used as catalysts for both hetero-Michael addition of α,β-unsaturated amides and Knoevenagel condensation at room temperature in water; and all the examined substrates could be transformed into corresponding products in good to excellent yields. Meanwhile IL-catalyzed hetero-Michael addition of α,β-unsaturated amides in water has not been reported in the previous literatures. Additionally, the catalyst is recyclable for the two reactions. This finding provides a green catalyst for both hetero-Michael addition of α,β-unsaturated amides and Knoevenagel condensation in water.
Synthesis of methoxy-2-quinolones via Pummerer-type cyclization of N-aryl-N-methyl-3-(phenylsulfinyl)propionamides
Toda,Sakagami,Goan,Simakata,Saitoh,Horiguchi,Sano
, p. 1854 - 1861 (2007/10/03)
The thionium ions 10 generated by Pummerer reaction of N-aryl-N-methyl-3-(phenylsulfinyl)propionamides 4 caused not only an electrophilic cyclization reaction producing 2-quinolones 8, but also the formation of the vinyl sulfides 5 and 6 in favor of the l
