High-Speed Reduction of Triarylpyrylium Salts Using Zn(BH<sub>4</sub>)<sub>2</sub>/SiO<sub>2</sub> as an Efficient and Regiospecific Reducing Reagent

<table>Stereochemistry of product.</table>

Journal of Chemistry

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Scheme 3

Scheme 3: High-Speed Reduction of Triarylpyrylium Salts Using Zn(BH<sub>4</sub>)<sub>2</sub>/SiO<sub>2</sub> as an Efficient and Regiospecific Reducing Reagent 

Journal of Chemistry

High-Speed Reduction of Triarylpyrylium Salts Using Zn(BH4)2/SiO2 as an Efficient and Regiospecific Reducing Reagent

Scheme 3

High-Speed Reduction of Triarylpyrylium Salts Using Zn(BH₄)₂/SiO₂ as an Efficient and Regiospecific Reducing Reagent