Ultrasound-mediated radical cascade reactions: fast synthesis of functionalized indolines from 2-(((N-aryl)amino)methyl)acrylates - Hornink, Milene Macedo; Nascimento, Vinicius Rodrigues do; Couto, Julia Lacerda; Santos, Caroline Souza; Andrade, Leandro Helgueira (Ultrasonics Sonochemistry, 2021)