Two N-benzyl imines are designed to allow for carbon-carbon bond formations at the aminated benzylic positions. Direct benzylic arylation reactions of N-benzylxanthone imine with aryl chlorides proceed under palladium catalysis in the presence of cesium hydroxide, yielding the corresponding benzhydrylamine derivatives. Alkylation reactions of N-benzyldi-1-naphthyl ketone imine with alkyl halides in the presence of potassium tert-butoxide afford the corresponding 1-phenylalkylamines in high yields. Conjugate addition of N-benzyldi-1-naphthyl ketone imine is also described. (C) 2009 Elsevier Ltd. All rights reserved.
FORMULATIONS CAPABLE OF REACTING WITH OR REMOVAL OF MOLECULAR OXYGEN
申请人:Finite Research Ltd
公开号:EP3924160A1
公开(公告)日:2021-12-22
[EN] FORMULATIONS CAPABLE OF REACTING WITH OR REMOVAL OF MOLECULAR OXYGEN<br/>[FR] FORMULATIONS CAPABLES DE RÉAGIR AVEC OU D'ÉLIMINER L'OXYGÈNE MOLÉCULAIRE
申请人:LI SHENSHEN
公开号:WO2020154728A1
公开(公告)日:2020-07-30
A composition includes a polymer, a functional component, and an oxidation catalyst. The functional component may be an oxidizable additive or a precursor thereof. The oxidizable additive includes an organic moiety including a first carbon atom (C1) attached to a hydrogen (H), a first group having a conjugated unit (a double bond, a triple bond, an aromatic ring); a second group having a heteroatom (including C=N, N=O, C=O, an O, a N, a fragment having at least three heteroatoms (including a N) within a spatial distance of 4Å from C1); and a third group (hydrogen, alkyl group, aromatic group, a double bond, a triple bond, and a heteroatom). The C1 may be attached to a strong mesomeric electron-donating group and a strong mesomeric electron-withdrawing group; or to a conjugated group and a mesomeric group. The functional component may be derived from a recycled plastic article.
Palladium-Catalyzed Benzylic Arylation of <i>N</i>-Benzylxanthone Imine
作者:Takashi Niwa、Hideki Yorimitsu、Koichiro Oshima
DOI:10.1021/ol802070d
日期:2008.10.16
The direct benzylicarylation of N-benzylxanthone imine with aryl chloride proceeds under palladium catalysis, yielding the corresponding coupling product. The product is readily transformed to benzhydrylamine. Taking into consideration that the imine is readily available from benzylic amine, the overall transformation represents a formal cross-coupling reaction of aryl halide with alpha-aminobenzyl