Carbon–hydrogen bond activation a C-H activation. Carbon–hydrogen bond activation Carbon–hydrogen bond functionalization (C–H functionalization) is a type of reaction in which a carbon–hydrogen bond is cleaved and replaced with a carbon-X bond (where X is usually carbon, oxygen, or nitrogen). The term usually implies that a transition metal is involved in the C-H cleavage process. Reactions classified by the term typically involve the hydrocarbon first to react with a metal catalyst to create an organometallic complex in which the hydrocarbon is coordinated to the inner-sphere of a metal, either via an intermediate "alkane or arene complex" or as a transition state leading to
Edna (given name) closely related etymologically to the name Eden. Edna (given name) Edna () is a female given name originating from several languages. In Hebrew, it means "pleasure". Various women named Edna are referenced in the Old Testament apocryphal books Jubilees (where the wives of Enoch, Methuselah, and Terah are all so named) and Tobit. The name Edna may also be an Anglicized form of the Irish and Scottish name Eithne, meaning "kernel" in Gaelic. This was a very popular girl's name in the United States in the early 20th century, but has since become unfashionable. It is also a very rare