Product Details of 894086-00-1. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-(di-tert-Butylphosphino)-1′,3′,5′-triphenyl-1’H-1,4′-bipyrazole, is researched, Molecular C32H35N4P, CAS is 894086-00-1, about Kilogram-Lab-Scale Oxindole Synthesis via Palladium-Catalyzed C-H Functionalization. Author is Kiser, E. Jason; Magano, Javier; Shine, Russell J.; Chen, Michael H..
A scalable method for the preparation of 2,3-dihydro-1-[1-(benzyloxycarbonyl)-4-piperidinyl]-2-oxoindoline-5-carboxylic acid Me ester, a key intermediate en route to a serine palmitoyl transferase inhibitor, is presented. A three-step, chromatog.-free route has been designed that takes advantage of Buchwald’s palladium-catalyzed C-H functionalization to cyclize an α-chloroacetanilide to form the five-membered ring. This process has been successfully carried out in our kilogram laboratory facility on 10-kg scale in 76% yield.
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