Synthesis of benzo[ d ]pyrrolo[2,1- b ][1,3]oxazines by intramolecular cyclization of 2,4-dioxabutanoic acids 2-(hydroxymethyl)phenylamides

A. A. Maslivets; M. V. Dmitriev; O. P. Tarasova; A. N. Maslivets

doi:10.1134/S1070428017050244

Synthesis of benzo[d]pyrrolo[2,1-b][1,3]oxazines by intramolecular cyclization of 2,4-dioxabutanoic acids 2-(hydroxymethyl)phenylamides

作者: Maslivets A.A.¹, Dmitriev M.V.¹, Tarasova O.P.¹, Maslivets A.N.¹
隶属关系:
1. Perm State National Research University
期: 卷 53, 编号 5 (2017)
页面: 793-795
栏目: Short Communications
URL: https://bakhtiniada.ru/1070-4280/article/view/216289
DOI: https://doi.org/10.1134/S1070428017050244
ID: 216289

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(Z)-4-Aryl-N-[2-(2-hydroxymethyl)phenyl]-2,4-dioxo-3-[3-oxo-3,4-dihydroquinoxalin-2(1Н)-ylidene]butanamide heated in Dowthem A at 200°С quickly underwent cyclization into 3а-aryl-2-hydroxy-3-(3-oxo-3,4-dihydroquinoxalin-2-yl)-3a,5-dihydro-1H-benzo[d]pyrrolo[2,1-b][1,3]oxazin-1-ones.