Chemistry of Heterocyclic Compounds p. 191 - 194 (1987)
Update date:2022-07-29
Topics:
Degutis, Yu. A.
Shachkus, A. A.
When derivatives of 1,2,3,9a-tetrahydro-9H-imidazo<1,2-a>indol-2-one or 1-carbamoylmethyl-2-methylene-2,3-dihydroindole are reacted with lithium aluminium hydride, derivatives of 1,2,3,9a-tetrahydro-9H-imidazo<1,2-a>indole are formed.Under the same conditions 1-(N-phenylcarbamoylmethyl)-2-methylene-2,3-dihydroindole is not cyclized to an imidazo<1,2-a)indole.When treated with proton acids imidazo<1,2-a>indoles are converted to 3H-indolium salts.Opening of the imidazolidine ring is also found when imidazo<1,2-a>indole is acylated with benzoyl chloride.
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Doi:10.1021/ic801836k
(2009)Doi:10.1016/S0040-4039(00)85430-1
(1986)Doi:10.1016/S0040-4039(00)87791-6
(1986)Doi:10.1039/b821534k
(2009)Doi:10.1002/anie.202107860
(2021)Doi:10.1021/ja00258a063
(1987)
