Streamlined Synthesis: Enhancing the Leimgruber-Batcho Indole Route for One-Pot Tandem Production of 2,3-Unsubstituted Indoles

Aim:This study aims to create a new one-pot synthesis method for substituted indoles, focusing on efficiency, by-product reduction, and comparative advantages over conventional Leimgruber-Batcho reactions. Methods:Researchers optimized a one-pot synthesis strategy for maximum yield, reduced by-products, and resource utilization, comparing it to traditional Leimgruber-Batcho reactions, ensuring a sustainable, environmentally friendly approach. Results:The one-pot synthesis method efficiently produced substituted indoles with reduced environmental impact, yielding more than conventional reactions, shortened reaction times, and aligning with green chemistry principles. Conclusions:The one-pot synthesis method for substituted indoles, using 2-nitrotoluenes and dimethylformamide dimethyl acetal, is a significant advancement in the field, offering improved efficiency, environmental sustainability, and higher yields compared to conventional methods, making it a more resource-effective and economically viable option.