85220-10-6Relevant articles and documents
Reactions of 3-Substituted Pyrazolin-5-ones with Isocyanates
Mitsuhashi, Keiryo,Takayanagi, Hisashi,Matsuno, Sin-ichi,Tanaka, Kiyoshi
, p. 1389 - 1392 (2007/10/02)
The reaction sites of 3-substituted pyrazolin-5-ones and their O- and N-blocked analogues toward various isocyanates were investigated. 3-Methyl and 3-ethoxycarbonylpyrazolin-5-ones gave the corresponding 1-carbamoylpyrazolinones, whereas the O-alkylpyraz