[en] Chemical preparation of quinolines, 4-isopropyl-2-methylthioquinoline in particular, is carried out for the first time by means of lithium 3,3-dimethylallenide addition to phenylisothiocyanate followed by alkylation of lithium thiolate obtained by methyl iodide to produce 1-aza-1,3,4-triene. The latter converts to the above-mentioned quinoline due to exothermal reaction which starts at 40 deg C. The structure of quinoline prepared is confirmed by IR spectroscopy and 1H, 13C NMR data. 2 refs
Journal
Izvestiya Akademii Nauk. Rossijskaya Akademiya Nauk. Seriya Khimicheskaya; ISSN 1026-3500; 
; CODEN IASKEA; (no.12); p. 3024-3025
; CODEN IASKEA; (no.12); p. 3024-3025
[en] Principally new way of chinolines synthesis (2-methyl-tio-4-ethylchinoline) through reaction of lithified 2-butyne with phenylisothiocyanate and methyl iodine in one stage with approximately 70% output is found. The scheme of the reaction progress is presented and the process kinetics is studied
Journal
Doklady Akademii Nauk - Rossijskaya Akademiya Nauk; ISSN 0869-5652; ; CODEN DAKNEQ; v. 353(1); p. 64-65
; CODEN DAKNEQ; v. 353(1); p. 64-65
[en] Reaction of lithiated alkoxyanllenes and alkylacetylenes with organic isothiocyanates results (after intermediates alkylation) in 2,3-disubstituted pyrroles and 2,3-disubstituted pyrroles and 2,3-dihydropyridines. Key intermediates of this reaction are 1,3,4-azatrienes
Journal