10.1021/jo3014287.s002 Yongmei Zhao Yongmei Zhao Yanmiao Wu Yanmiao Wu Jiong Jia Jiong Jia Dongju Zhang Dongju Zhang Chen Ma Chen Ma One-Pot Synthesis of Benzo[1,4]thiazin-3(4<i>H</i>)‑ones and a Theoretical Study of the S–N Type Smiles Rearrangement Mechanism American Chemical Society 2012 Type mechanism derivative type Synthesi Theoretical Study MechanismBenzo tandem reaction Rearrangement Smiles rearrangement Benzo SR 2012-10-05 00:00:00 Journal contribution https://acs.figshare.com/articles/journal_contribution/One_Pot_Synthesis_of_Benzo_1_4_thiazin_3_4_i_H_i_ones_and_a_Theoretical_Study_of_the_S_N_Type_Smiles_Rearrangement_Mechanism/2480578 Benzo­[1,4]­thiazin-3­(4<i>H</i>)-one derivatives are conveniently prepared in one pot via a Smiles rearrangement (SR) tandem reaction. In order to understand the reaction, we present here a theoretical study on the S–N type SR mechanism.