117767-34-7Relevant articles and documents
Amidrazones 11. Rearrangement of 1-Allyl-substituted-4,5-dihydro-1-methyl-1H-pyrazolium Bromides
Smith, Richard F.,Dennis, Lisa A.,Ryan, William J.
, p. 415 - 417 (2007/10/02)
1-Methyl-2-(2-propenyl)-3-pyrazolidinimine (5) was obtained by treatment of 3-amino-4,5-dihydro-1-methyl-1-(2-propenyl)-1H-pyrazolium bromide (4) with ethanolic sodium ethoxide.Similar treatment of the analogous 2-(2-butenyl) and 2-(3-phenyl-2-propenyl)-substituted salts 12 and 15 gave 1-methyl-2-(1-methyl-2-propenyl)-3-pyrazolidinimine (13) and 1-methyl-2-(1-phenyl-1-propenyl)-3-pyrazolidinimine (16) respectively.