Journal
MENDELEEV COMMUNICATIONS
Volume 25, Issue 5, Pages 329-331Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mencom.2015.09.002
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- Russian Foundation for Basic Research [15-03-08195A]
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Cyclization of 5-arylalk-4-ynals with o-aminobenzylamine or o-aminobenzyl alcohol in DMSO under the sequential action of NH4Br and KOH affords (E)-1-arylmethylidene-1,2,3,3 a,4,5-hexahydropyrrolo[1,2-a]quinazolines or (E)-1-arylmethylidene-1,2,3,3a-tetrahydro-5H-pyrrolo-[1,2-a][3,1]benzoxazines;the latter without substituents in the 3-position easily isomerize into the corresponding 2-arylmethyl-1-(2-hydroxymethylphenyl)pyrroles.
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