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The rate of palladium-catalyzed amination of unactivated aryl chlorides is accelerated by sterically hindered chelating alkyl phosphines, ie, 1,1'-bis(di-tert-butylphosphino)ferrocene.
Hanh Nho Nguyen,; Xiaohua Huang,; Stephen L. Buchwald. The First General Palladium Catalyst for the Suzuki-Miyaura and Carbonyl Enolate Coupling of Aryl Arenesulfonates. J. Am. Chem. Soc.. 2003, 125 (39), 11818-11819.
Fawn N. Blanco,; Laura E. Hagopian,; William R. McNamara,; James A. Golen,; Arnold L. Rheingold,; Chip Nataro. Anodic Electrochemistry of Free and Coordinated 1,1-Bis(di-tert-butylphosphino)ferrocene. Organometallics. 2006, 25 (18), 4292-4300.
Hazard Statements: H302-H315-H319-H335
Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c
Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant