Chemistry of Heterocyclic Compounds p. 324 - 327 (1983)
Update date:2022-08-03
Topics:
Gorin, B. I.
Golubeva, G. A.
Sviridova, L. A.
Dovgilevich, A. V.
Bundel', Yu. G.
The reaction of 1-acetyl-2-phenyl-4-methylpyrazolidine with imminium salts leads to the formation of 3-methyl-1,2,3,4-tetrahydropyrimido<1,2-a>-10-methylenedimethylimminium chloride, the alkaline hydrolysis of which gives 3-methyl-1,2,3,4-tetrahydropyrimido<1,2-a>-10-aldehyde.Similar reactions with 1-propionyl and 1-phenylacetyl derivatives leads to nonformylated indolization products.The relative reactivities of the imminium were studied.
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(1983)
