Facile and Direct Synthesis of 1-Phenyl-Substituted β-Benzofused Oxygen Heterocycles from Benzoxaboroles and Salicylaldehydes under Amine Catalysis

Key Points

• The research aims to develop a simple method for creating 1-phenyl-substituted β-benzofused oxygen heterocycles.
• Utilized stable benzoxaboroles and salicylaldehydes in reactions under amine catalysis.
• Conducted metal-free synthesis focusing on structural diversity.
• Employed catalytic amounts of amine to facilitate reactions.
• Successfully synthesized various β-benzofused oxygen heterocycles with good yield, indicating effectiveness of the method.
• Demonstrated the method's efficiency in producing structurally diverse compounds with minimal resources.