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</svg>-Promoted Solvent-Free Synthesis of Benzoxazoles, Benzimidazoles, and Benzothiazole Derivatives

<table>FT-IR spectra of silica-supported sodium hydrogen sulphate.</table>

Journal of Chemistry

fig1

Figure 1

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</svg>-Promoted Solvent-Free Synthesis of Benzoxazoles, Benzimidazoles, and Benzothiazole Derivatives 

Journal of Chemistry

- -Promoted Solvent-Free Synthesis of Benzoxazoles, Benzimidazoles, and Benzothiazole Derivatives

Figure 1

--Promoted Solvent-Free Synthesis of Benzoxazoles, Benzimidazoles, and Benzothiazole Derivatives