112825-83-9Relevant articles and documents
Reaction of 2-Nitroenamines and 2-Nitroalkenyl Sulfides with Ethyl Isocyanoacetate. A Novel Synthesis of 1-Hydroxypyrazoles
Uno, Hidemitsu,Kinoshita, Tomohito,Matsumoto, Koji,Murashima, Takashi,Ogawa, Takuji,Ono, Noboru
, p. 570 - 581 (2007/10/03)
We have show that 1-hydroxypyrazoles can be prepared easily and regioselectively from the reaction of nitroenamines with ethyl isocyanoacetate. α,β-Unsaturated aci-nitronates are formed in the reaction and are then hydrolysed to give the products by quenching with acid.