p-Toluenesulfonic acid-catalyzed metal-free formal [4 + 1] heteroannulation via NH/OH/SH functionalization: One-pot access to 2-aryl/hetaryl/alkyl benzazole derivatives

p-Toluenesulfonic acid-catalyzed metal-free formal [4 + 1] heteroannulation via NH/OH/SH functionalization: One-pot access to 2-aryl/hetaryl/alkyl benzazole derivatives

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 73, Issue 7, 16 February 2017, Pages 879-887

Abhijeet Srivastava, Gaurav Shukla, Maya Shankar Singh,