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Salehi, P., Khodaei, M.M., Zolfigol, M.A. and Keyvan, A. (2002) Solvent-Free Crossed Aldol Condensation of Ketones with Aromatic Aldehydes Mediated by Magnesium Hydrogensulfate. Chemical Monthly, 133, 1291-1295.
https://link.springer.com/article/10.1007%2Fs007060200107?LI=true

has been cited by the following article:

• TITLE: Sodium-Modified Fluorapatite: A Mild and Efficient Reusable Catalyst for the Synthesis of α,α’-Bis(Substituted Benzylidene) Cycloalkanones under Conventional Heating and Microwave Irradiation

  AUTHORS: Bahija Mounir, Fathallaah Bazi, Abddelfetah Mounir, Mohamed Zahouily, Hamid Toufik

  KEYWORDS: Green Chemistry, α, α’-Bis(Substituted Benzylidene) Cycloalkanones, Microwaves Irradiation, Conventional Heating, Aqueous Media, Fluorapatite Activated by Sodium Nitrate (Na/FAP)

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.8 No.2, May 10, 2018

  ABSTRACT: A versatile and environmentally friendly method for α,α’-bis(substituted ben-zylidene) cycloalkanones has been developed using a heterogeneous catalysis technology. We have synthesized a series of the α,α’-bis(substituted benzylidene) cycloalkanones, a biologically important class of compounds, via the cross aldol condensation between arylaldehydes and cycloketones using sodium-modified fluorapatite (Na/FAP) as a highly efficient solid catalyst under conventional heating in aqueous media and solventless conditions under microwave. Catalyst reuse, ease of separation of the pure product, and high yields are some of the unique features of this process. Shorter reaction times (4 - 7 min) and higher yields (80% - 94%) were achieved under microwave irradiation conditions.