One step synthesis of 14-alkyl- or aryl-14H-dibenzo[a,j]xanthenes using sodium hydrogen sulfate as catalyst
โ Scribed by Zahed Karimi-Jaberi; Mohammed M. Hashemi
- Book ID
- 106213999
- Publisher
- Springer Vienna
- Year
- 2008
- Tongue
- English
- Weight
- 75 KB
- Volume
- 139
- Category
- Article
- ISSN
- 0026-9247
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๐ SIMILAR VOLUMES
## Abstract magnified image Silica supported sodium hydrogen sulfate (NaHSO~4~ยทSiO~2~) or amberlystโ15 acts as an efficient heterogeneous catalyst for the preparation of 14โalkyl and arylโ14โHโdibenzo[__a__,__j__]xanthenes with various aldehydes and ฮฒโnaphthol in dichloroethane solvent in excellen
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a โFull Textโ option. The original article is trackable v
A mild, efficient, and environment friendly method has been developed for the synthesis of 14-alkyl or aryl-14H-dibenzo [a, j]xanthenes by condensation of 2-naphthol and aldehydes in the presence of a catalytic amount of indium(III) triflate (2 mol%) in water at 100 โข C. Different types of aromatic