H5PW10V2O40@VOx/SBA-15-NH2 catalyst for the solventless synthesis of 3-substituted indoles

H5PW10V2O40@VOx/SBA-15-NH2 was prepared, characterized, and introduced as an effective catalyst for the one-pot synthesis of 3-substituted indoles. The catalyst could be easily separated without noticeable reduction in activity.156