Catalytic removal of tert-butyldimethylsilyl (TBS) ether by PVP-I
摘要:
A mild, efficient and rapid protocol the deprotection of alcoholic TBDMS ethers using PVP-1 as catalyst in methanol, the procedure of deprotection of various TBDMS ethers were found to be very convenient, easy work-up, high yielding. (C) 2019 Elsevier Ltd. All rights reserved.
Palladium-Catalyzed Selective Amino- and Alkoxycarbonylation of Iodoarenes with Aliphatic Aminoalcohols as Heterobifunctional O,N-Nucleophiles
作者:László Kollár、Attila Takács、Csilla Molnár、Andrew Kovács、László T. Mika、Péter Pongrácz
DOI:10.1021/acs.joc.2c02712
日期:2023.4.21
heteroaromatic substrates and numerous related nucleophiles were tested under optimized conditions, providing moderate to good yields of the target compounds. Reactions of serinol and 1,3-diamino-2-propanol as model trifunctional compounds showed particularly high chemoselectivity on amide ester products. Considering the coordinative properties of the applied nucleophiles, a rational catalytic cycle was proposed