Research speed reading in 2021. Chemistry is a science major with cience and engineering. The main research directions are chemical synthesis, new energy materials, preparation and modification of special coatings. 1895-39-2, Name is Sodium 2-chloro-2,2-difluoroacetate, molecular formula is , belongs to benzoxazole compound. In a document, author is Ramakrishna, Kankanala, Safety of Sodium 2-chloro-2,2-difluoroacetate.
Distal C-H bond functionalization of heterocycles remained extremely challenging with covalently attached directing groups (DG). Lack of proper site for DG attachment and inherent catalyst poisoning by heterocycles demand alternate routes for site selective functionalization of their distal C-H bonds. Utilizing non-productive coordinating property to hold the heterocycle into the cavity of a template system in a host-guest manner, we report distal C-H alkylation (C-5 of quinoline and thiazole, C-7 of benzothiazole and benzoxazole) of heterocycles. Upon complexation with heterocyclic substrate, nitrile DG in template directs the metal catalyst towards close vicinity of the specific distal C-H bond of the heterocycles. Our hypothesized pathway has been supported by various X-ray crystallographically characterized intermediates.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem