Isolable Phosphonioacetylides as Strong Neutral Carbon Donors with Variable Steric Demand and Tunable Donor Properties

Key Points

• The study aims to explore the properties of phosphonioacetylides as carbon donors and establish design principles for their stabilization.
• Investigated the thermal and hydrolysis stability of phosphonioacetylides.
• Analyzed the steric demand and tuning of donor properties through various modifications.
• Phosphonioacetylides exhibit strong neutral carbon donor characteristics.
• Stabilization and tunability of these compounds were successfully achieved, indicating potential applications.