Taming of Low‐Valent Arsenic Compounds and Transfer of Nascent As <sub>2</sub> Facilitated by a Frustrated Lewis Pair
Abstract
Abstract The first examples of frustrated Lewis pair (FLP)‐stabilized compounds with formal oxidation states of arsenic ranging from −1 to +1 have been synthesized. These chelates include the metalated arsinidenyl As(─I) anion in FLP{As─K} ( 1 ), which provides access to the parent FLP‐stabilized arsinidene, As(+I)─H, in FLP{As─H} ( 3 ), and a diatomic arsenic(0) allotrope within FLP{As─As}FLP ( 5 ). Irradiation of the As 2 complex 5 represents an unprecedented method for the generation of nascent diarsenic, As 2 nasc , which shows triple‐bond like reactivity with a diene and selective As 2 unit insertion into metal‐metal bonds under mild conditions.
Article Details
Authors (4)
Ludwig Zapf
Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta T6G 2G2, Canada
Gábor Balázs
Institute of Inorganic Chemistry
Manfred Scheer
Institute of Inorganic Chemistry
Eric Rivard
Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta T6G 2G2, Canada