Reactions of 2-(methoxyimino)benzen-1-ones with α-alkylethoxycarbonylmethylene(triphenyl)phosphoranes
作者:Demetrios N Nicolaides、Daman R Gautam、Konstantinos E Litinas、Christos Manouras、Konstantina C Fylaktakidou
DOI:10.1016/s0040-4020(01)00942-5
日期:2001.11
The title 2-(methoxyimino)benzen-1-ones react with α-alkylethoxycarbonylmethylene(triphenyl)phosphoranes to give 2H-[b][1,4]benzoxazine derivatives along with benzoxazole and indole derivatives. Reaction mechanisms to explain the formation of products obtained are suggested.
标题2-(甲氧基亚氨基)苯并-1-酮与α-烷基乙氧基羰基亚甲基(三苯基)正膦反应,得到2 H- [ b ] [1,4]苯并恶嗪衍生物以及苯并恶唑和吲哚衍生物。建议了反应机理以解释所得产物的形成。
Bezergiannidou-Balouctsi, Catherine; Litinas, Konstantinos E.; Malamidou-Xenikaki, Elizabeth, Liebigs Annalen der Chemie, 1993, # 11, p. 1175 - 1178
作者:Bezergiannidou-Balouctsi, Catherine、Litinas, Konstantinos E.、Malamidou-Xenikaki, Elizabeth、Nicolaides, Demetrios N.
DOI:——
日期:——
1-8H-pyrano[3,2-g]benzoxazol-8-ones from 7-methoxyimino-4-methylchromene-2,8-dione
作者:Demetrios N. Nicolaides、Catherine Bezergiannidou-Balouctsi、Konstantinos E. Litinas、Elizabeth Malamidou-Xenikaki、Demetrios Mentzafos、Aris Terzis
DOI:10.1016/s0040-4020(01)91229-3
日期:1993.1
7-Methoxyimino-4-methylchromene-2,8-dione 3, easily prepared from the quinone 1 reacts thermally with methylaromatics 5(a–g), benzyl derivatives 13(a–c), halo derivatives 14(a–c) to give mainly oxazolocoumarins. Products 8(a–d) are obtained from 5(a–d), 13(a–c). Compound 9 is obtained from 5(a–c) and 13(a–c), compounds 15(a–c) are obtained from 14(a–c), the aminophenol 10 and coumarin 16 are obtained