130716-49-3Relevant academic research and scientific papers
Alkaline earth metal catalyzed cascade, one-pot, solvent-free, and scalable synthesis of pyranocoumarins and benzo[b]pyrans
Yaragorla, Srinivasarao,Saini, Pyare Lal,Singh, Garima
supporting information, p. 1649 - 1653 (2015/03/14)
Ca(OTf)2 catalyzed, cascade, one-pot, conjugate addition and annulation of various nucleophiles to the α,β-unsaturated carbonyl compounds for the synthesis of biologically potent pyranocoumarins and benzo[b]pyrans has been illustrated. This one
Preparation of 5-oxo-5,6,7,8-tetrahydro-4H-benzo-[b]-pyran derivatives in ionic liquids
Li, Qiang,Hu, Xueyuan,Li, Wei,Yang, Fei,Yang, Xiaoian,Sun, Lili,Zhou, Liping,Qi, Junsheng,Yu, Yu
experimental part, p. 331 - 333 (2009/06/18)
A novel preparation of 5-oxo-5,6,7,8-tetrahydro-4H-benzo-[b]-pyran derivatives promoted by lnCI3·4H2O/TMSCI in ionic liquid ([bmin]BF4) is described. The preparative procedure presented in this paper is operationally simple and environmentally friendly. The reaction media and catalyst used can be recovered and reused for at least four times without loss in the catalytic activity. This method is promising for a mass-production process.
CHARACTERISTICS OF HETEROCYCLIZATION OF TRIKETONES OF THE 2-(3-OXOPROPYL)CYCLOHEXANE-1,3-DIONE SERIES WITH HYDROXYLAMINE HYDROCHLORIDE
Markova, L. I.,Kazarinova, T. D.,Yudovich, L. M.,Karchenko, V. G.
, p. 178 - 183 (2007/10/02)
A rearrangement that leads to the formation of mixtures of 2,4- and 2,3-diarylsubstituted 5-oxotetrahydroquinoline oximes was observed in the heterocyclization of oxo 1,5-diketones of the 2-(3-oxopropyl)cyclohexane-1,3-dione series, as well as in the recy
