Solvent-free

Rateb, N. M., and H. F. Zohdi, "An atom efficient, solvent-free, green synthesis of chalcones under grinding", Synth. Commun. , vol. 39, pp. 2789–2794, 2009. syn_comm_39_2789_09.pdf
Metwally, N. H., N. M. Rateb, and H. F. Zohdi, "A simple and green procedure for the synthesis of 5-arylidene-4-thiazolidinones by grinding", Green Chemistry Letters and Reviews, vol. 4, pp. 225-228 , 2011. green_chem_lett__reviws_4_225_11.pdf
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