Title Synthesis and reactions of 1-amino-1,5,6,10b-tetrahydroimidazo- [2,1-a]isoquinolin-2(3H)-ones /
Authors Solovjova, Joana ; Martynaitis, Vytas ; Holzer, Wolfgang ; Mangelinckx, Sven ; De Kimpe, Norbert ; Šačkus, Algirdas
DOI 10.3998/ark.5550190.0010.606
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Is Part of Arkivoc.. Gainesville : ARKAT USA. 2009, vol. 2009, iss. 6, p. 48-62.. ISSN 1551-7004. eISSN 1551-7012
Keywords [eng] ring annelation ; isoquinolines ; 1-amino-1,5,6,10b-tetrahydroimidazo[2,1-a]isoquinolin- 2(3H)-ones, hydrazides ; 1,3,4-oxadiazoles
Abstract [eng] 1-Amino-1,5,6,10b-tetrahydroimidazo[2,1-a]isoquinolin-2(3H)-ones, as previously unknown ring-annelated isoquinolines with a 3-aminoimidazolidin-4-one scaffold, were selectively prepared upon reacting 2-carbamoylmethyl- or 2-ethoxycarbonylmethyl-3,4- dihydroisoquinolinium salts with hydrazine hydrate. Acylation of the primary amino group with benzoyl chlorides, followed by reductive ring cleavage of the annelated 4-imidazolidinone ring and final cyclodehydration of the N,N’-diacylhydrazines resulted in the synthesis of 1-methyl-2- (5-aryl-[1,3,4]oxadiazol-2-ylmethyl)-1,2,3,4-tetrahydroisoquinolines which are of interest due to their potential use as bioisosteres of biologically active N-aryl-2-(1-methyl-3,4-dihydro-1Hisoquinolin- 2-yl)acetamides.
Published Gainesville : ARKAT USA
Type Journal article
Language English
Publication date 2009
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