The reactions of 3‐Butyl‐1,2‐diphenylphosphindole with dimethyl acetylenedicarboxylate

• Main Authors: Alan N. Hughes, Kitti Amornraksa, Siriporn Phisithkul, Vichai Reutrakul
• Other Authors: Lakehead University
• Format: Article
• Published: 2018
• Subjects: Chemistry
• Online Access: https://repository.li.mahidol.ac.th/handle/123456789/10858
• Institution: Mahidol University

Unlike 1,2,5‐triphenylphosphole, 3‐butyl‐1,2‐diphenylphosphindole reacts smoothly with two molecules of dimethyl acetylenedicarboxylate to give the phosphindole oxide, a yellow adduct and a colourless adduct. The case of the reaction is taken to indicate less lone pair interaction with the π‐system...