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Journal:   ORGANIC CHEMISTRY RESEARCH   MARCH 2016 , Volume 2 , Number 1; Page(s) 20 To 27.
 
Paper: 

Efficient Solvent Free Synthesis Of 12-Aryl-8, 9, 10, 12-Tetrahydrobenzo[α]- Xanthen-11-Ones And 3H-Spiro[Isobenzofuran-1, 9'-Xanthen]-3-One Derivatives Using Cobalt Hydrogensulfate As A Green, Heterogeneous And Reusable Catalyst

 
 
Author(s):  Eshghi H.*, Eftekhar M., Rahimizadeh M., Hassanpour M., Bakavoli M.
 
* DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCES, FERDOWSI UNIVERSITY OF MASHHAD, MASHHAD 91775-1436, IRAN
 
Abstract: 
Cobalt hydrogensulfate is an efficient catalyst for the condensation of b-naphthol, aromatic aldehydes and 5, 5-dimethyl-1, 3-cyclohexanedione at 120oC to afford 9, 9-dimethyl-12-phenyl-8, 10, 11, 12-tetrahydro-9-H-benzo [a] xanthen-11-one derivatives in high yields. Also, polycondensation reactions of phenols with phthalic anhydride were carried out in the presence of cobalt hydrogensulphate under solvent-free conditions. Simple and convenient procedure, high conversion, reusability of catalyst, easy purification and short reaction time are the advantageous features of this method.
 
Keyword(s): COBALT HYDROGENSULFATE, HETEROGENEOUS AND REUSABLE CATALYST, XANTHENE DERIVATIVES, SOLVENT FREE
 
 
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APA: Copy

ESHGHI, H., & EFTEKHAR, M., & RAHIMIZADEH, M., & HASSANPOUR, M., & BAKAVOLI, M. (2016). EFFICIENT SOLVENT FREE SYNTHESIS OF 12-ARYL-8, 9, 10, 12-TETRAHYDROBENZO[α]- XANTHEN-11-ONES AND 3H-SPIRO[ISOBENZOFURAN-1, 9'-XANTHEN]-3-ONE DERIVATIVES USING COBALT HYDROGENSULFATE AS A GREEN, HETEROGENEOUS AND REUSABLE CATALYST. ORGANIC CHEMISTRY RESEARCH, 2(1), 20-27. https://www.sid.ir/en/journal/ViewPaper.aspx?id=573539



Vancouver: Copy

ESHGHI H., EFTEKHAR M., RAHIMIZADEH M., HASSANPOUR M., BAKAVOLI M.. EFFICIENT SOLVENT FREE SYNTHESIS OF 12-ARYL-8, 9, 10, 12-TETRAHYDROBENZO[α]- XANTHEN-11-ONES AND 3H-SPIRO[ISOBENZOFURAN-1, 9'-XANTHEN]-3-ONE DERIVATIVES USING COBALT HYDROGENSULFATE AS A GREEN, HETEROGENEOUS AND REUSABLE CATALYST. ORGANIC CHEMISTRY RESEARCH. 2016 [cited 2022May28];2(1):20-27. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573539



IEEE: Copy

ESHGHI, H., EFTEKHAR, M., RAHIMIZADEH, M., HASSANPOUR, M., BAKAVOLI, M., 2016. EFFICIENT SOLVENT FREE SYNTHESIS OF 12-ARYL-8, 9, 10, 12-TETRAHYDROBENZO[α]- XANTHEN-11-ONES AND 3H-SPIRO[ISOBENZOFURAN-1, 9'-XANTHEN]-3-ONE DERIVATIVES USING COBALT HYDROGENSULFATE AS A GREEN, HETEROGENEOUS AND REUSABLE CATALYST. ORGANIC CHEMISTRY RESEARCH, [online] 2(1), pp.20-27. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573539.



 
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