152034-50-9Relevant academic research and scientific papers
Five-membered 2,3-dioxo heterocycles: XCVIII.* [4 + 2]-cycloaddition of alkyl vinyl ethers to 3-aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4- triones. A new synthetic approach to heteroanalogs of 13(14→8)-abeo steroids
Stepanova,Aliev,Maslivets
, p. 1762 - 1767 (2014/08/05)
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with alkyl vinyl ethers according to the [4 + 2]-cycloaddition pattern with formation of substituted (1S*,16R*)- and (1R*,16R*)-16-alkoxy-14- aryl-3,15-dioxa-10-azatetracyclo[8.7.0.01,13.04,9
Five-membered 2,3-dioxo heterocycles: LXXXVIII.* Reaction of 3-aroylpyrrolo[1,2-d][1,4]benzoxazine- 1,2,4(4H)-triones with N,N'-dicyclohexylcarbodiimide under thermolysis conditions
Maslivets, V. A.,Maslivets, A. N.
, p. 1233 - 1237,5 (2020/10/15)
Thermolysis of 3-aroylpyrrolo[1,2-d][1,4]benzoxazine-1,2,4(4H)-triones generates aroyl(2-oxo-1,4- benzoxazin-3-yl)ketenes which react as dienes at the aroylketene fragment in [4 + 2]-cycloaddition at the C=N bond of N,N'-dicyclohexylcarbodiimide with form
Sulfamic acid as an effective catalyst in solvent-free synthesis of β-enaminoketone derivatives and X-ray crystallography of their representatives
Xia, Min,Wu, Bin,Xiang, Guo-Feng
, p. 1268 - 1278 (2008/09/18)
Two types of β-enaminoketone derivatives of 3-(2-oxo-2-arylethylidene) -3,4-dihydro-1H-quinoxalin-2-ones and 3-(2-oxo-2-arylethylidene)-3,4-dihydro- benzo[1,4]oxazin-2- ones were effectively and conveniently prepared in good to excellent yields under solv
