920338-72-3Relevant articles and documents
Reduction of substituted spiro[cyclopropane-3-(1-pyrazolines)] to spiro[cyclopropane-3-pyrazolidines] and 1-(2-aminoethyl)cyclopropylamine derivatives
Kostyuchenko,Shulishov,Korolev,Dokichev,Tomilov
, p. 2562 - 2570 (2007/10/03)
Raney nickel-catalyzed hydrogenation of 5-substituted spiro[cyclopropane-3- (1-pyrazoline)]-5-carboxylates occurs with N-N bond cleavage with simultaneous cyclocondensation to give 3-aminopyrrolidin-2-ones containing a spirocyclopropane fragment. The pres