Heterocycles p. 2353 - 2364 (2011)
Update date:2022-08-02
Topics:
Music, Irena
Vercek, Bojan
Spiro-2-oxazolines containing 3,4-dihydroquinoxalin-2(1H)-one, 3,4-dihydrobenzoquinoxalin-2(1H)-one, 1,2-dihydropyrido[2,3-b]pyrazin-3(4H)- one or 5,6-dihydropteridin-7(8H)-one moiety were prepared by heating of aromatic or heteroaromatic diamines with 2-benzoylamino-3-chloropropenoic acid in the presence of triethylamine. Treatment of spiro-2-oxazolines with MeI or EtBr using Bu4NHSO4 and K2CO3 introduced the methyl or ethyl group on the lactam nitrogen atom.
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(2011)Doi:10.1039/c9sc02670c
(2019)Doi:10.1039/c1ob06051a
(2011)Doi:10.1039/c1nj20577c
(2011)Doi:10.1021/ol202721h
(2011)