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Published TCIMAIL newest issue No.197 | Notice of Discontinuing the Use of Password-Protected Compressed Files | Various analytical charts can be searched on each product detail page and Product Document Search (The kinds of analytical charts differ by product)
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Pd-Catalyzed ortho-Acylation of Acetanilide with Aldehyde through Direct C-H Bond Activation
Wang and Li et al. have reported a Pd catalyzed direct ortho-acylation of acetanilides with aldehydes affording the o-acyl acetanilides. In this study, Pd(OCOCF3)2 gave the best result as a Pd catalyst for the coupling reaction in the presence of tert-butyl hydroperoxide. They have proposed that it is effective to form the palladacycle intermediate when a highly cationic Pd(II) species, Pd(OCOCF3)2 is used;" it easily dissociates into a trifluoroacetate anion and a cationic Pd(II) species compared with that of Pd(OAc)2.
