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2.6.4.B Applications of Product Subclass 4 in Organic Synthesis

DOI: 10.1055/sos-SD-002-00315

Poli, R.; Smith, K. M.Science of Synthesis, (20032309.

Alkylchromium(III) compounds are involved in the large-scale commercial polymerization of ethene and propene. Well-defined complexes that mimic the activity and selectivities of the commercial catalyst have been obtained.[‌117‌] An application of group 6 al­kyl and aryl complexes that has been successfully applied to organic synthesis is the addition reaction to car­bon­yl compounds (see Sections and Other chromium-based systems have been developed for single-electron-transfer chemistry,[‌118‌] oxidation of alkanes via hy­dro­gen atom abstraction,[‌119‌] and asymmetric ring opening of meso-ep­ox­ides.[‌120‌] Although these latter systems are of interest for synthetic organic chemistry, they do not involve the formation of direct CrC bonds, and consequently these applications are not treated here.[‌121‌]