18_Practical Syntheses of Both Enantiomers of Cyclopropylglycine and of Methyl 2-Cyclopropyl-2-(N-Boc-imino)acetate.

Practical Syntheses of Both Enantiomers of Cyclopropylglycine and of Methyl 2-Cyclopropyl-2-(N-Boc-imino)acetate. Larionov, O. V.; de Meijere, A. Adv. Synth. Cat. 2006, 348, 1071–1078.