PPh3-Mediated synthesis of multifunctional indolin-3-one derivatives from 2-(ethynyl)nitrobenzenes and aryl ketones

Key Points

• To develop a straightforward method for synthesizing multifunctional indolin-3-one derivatives from specific chemical precursors.
• Utilized PPh3 as a catalyst in the synthesis process.
• Employed 2-alkynylnitrobenzenes and dibenzoylmethanes as starting materials.
• Conducted reactions under mild conditions to optimize yields.
• Successfully synthesized indolin-3-one derivatives with yields ranging from moderate to excellent.
• Demonstrated the effectiveness of PPh3 as a catalyst in the reaction.
• Highlighted the versatility of the method for various substrates.