The synthesis of a N-SO3H rich functionalized magnetic catalyst based on silica and its efficiency in the synthesis of spiroindeno1,2-bquinoxaline-pyran derivatives

Key Points

• The integration of an N-SO3H functionalized magnetic catalyst improves synthesis efficiency.
• A new approach leveraging silica as a base enhances catalytic activity during reactions.
• Synthesis of spiroindeno[1,2-b]quinoxaline-pyran derivatives demonstrates robust yields and selectivity.
• Implications suggest significant advancements in catalytic processes for complex organic compounds.