Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 2551 - 2554 (1990)
Update date:2022-08-10
Topics:
Mustafin, A. G.
Gataullin, R. R.
Abdrakhmanov, I. B.
Khalilov, L. M.
Tolstikov, G. A.
The cyclization of 2-alkenylarylamines in polyphosphoric acid (PPA) with 1,2 and 1,3 shifts of the α-alkyl substituent of the alkenyl fragment leads to the formation of indoline and indane compounds.Cis- and trans-stereoisomers of 2-methyl-4-ethyl-1-aminoindane formed without displacement of the α-substituents as well as 2-methyl-2-propylindoline are obtained from 2-(1'-methyl-2'-pentenyl)aniline.
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