Research Article
Barium Dichloride as a Powerful and Inexpensive Catalyst for the Pechmann Condensation without Using Solvent
Table 3
Synthesis of some coumarin derivatives based on Pechmann condensation using barium dichloride at 100°C under solvent-free conditions.
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aIdentified by comparison with authentic samples and their spectral data. bRefers to isolated yields. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
