@article { author = {Sadeghi, B.}, title = {Silica supported boron trifluoride nanoparticles(BF3-SiO2 NPs): An efficient and reusable catalyst for one-pot synthesis of benzo[a]xanthene-11-onederivatives}, journal = {Scientia Iranica}, volume = {21}, number = {3}, pages = {708-714}, year = {2014}, publisher = {Sharif University of Technology}, issn = {1026-3098}, eissn = {2345-3605}, doi = {}, abstract = {Silica supported boron trifluoride nanoparticles(BF3-SiO2 NPs) as a mild solid acid catalyst has been used for an improved and rapid one-pot synthesis of benzo[a]xanthene-11-onederivatives using EtOH as a reaction medium. This Michael addition of various aromatic aldehydes with 2-naphtholand dimedone is very simple and the products are isolated with a .......}, keywords = {Silica supported boron trifluoride nanoparticles,dimedone,2-Naphthol,aromatic aldehydes,xanthenes}, url = {https://scientiairanica.sharif.edu/article_3508.html}, eprint = {https://scientiairanica.sharif.edu/article_3508_b4d3cb346d1c59a7914967bb431fe774.pdf} }