Rh-Catalyzed annulations of N-methoxybenzamides with ketenimines: synthesis of 3-aminoisoindolinones and 3-diarylmethyleneisoindolinones with strong aggregation induced emission properties
Nucleophilic perfluoroalkylation of diaryldisulfides with perfluorocarboxylate salts
作者:Nicolas Roques
DOI:10.1016/s0022-1139(00)00374-2
日期:2001.2
A new industrial and economical route to trifluoromethyl aryl sufides by thermal decarboxylation of trifluoroacetate salts has been recently developed. The possibility of generalising this reaction of “trifluorodecarboxylation” to RfCO2K (Rf: CCl3, CF2Cl, CF3CF2, CF3CF2CF2) in order to synthesise RfSAr has been studied. Thus, the reaction was effective with RfCO2K (Rf=CCl3, CF3CF2) and a new route
最近已经开发了通过三氟乙酸盐的热脱羧制备三氟甲基芳基硫化物的新的工业和经济途径。为了合成R f SAr,已经研究了将“三氟脱羧”反应合成为R f CO 2 K(R f:CCl 3,CF 2 Cl,CF 3 CF 2,CF 3 CF 2 CF 2)的可能性。因此,该反应在R f CO 2 K(R f = CCl 3,CF 3 CF 2),并简要举例说明了制备芳基五氟乙基硫化物CF 3 CF 2 SAr的新途径。
DIPEPTIDE PIPERIDINE DERIVATIVES
申请人:OncoArendi Therapeutics S.A.
公开号:US20190300525A1
公开(公告)日:2019-10-03
The disclosure relates to pharmaceutical compositions, to methods of preparing such compositions, and to methods for using such compositions for treating or preventing a disease or condition associated with arginase activity.
Chemoselective Reduction of Azlactones Using Schwartz’s Reagent
作者:Danielle L. J. Pinheiro、Eloah P. Ávila、Gabriel M. F. Batista、Giovanni W. Amarante
DOI:10.1021/acs.joc.7b00820
日期:2017.6.2
Highly chemoselective addition of Schwartz’s reagent to widely available azlactones is described. This method allows the preparation of challenged functionalized α-amino aldehydes, in good to high isolated yields at room temperature, after only 2 min reaction. The presence of sensitive functionalities or electronic factors does not compromise the potential of the method. The use of an excess of the
Catalyst free decarboxylative trichloromethylation of aldimines
作者:Eloah P. Ávila、Isabella F. de Souza、Alline V. B. Oliveira、Vinicius Kartnaller、João Cajaiba、Rodrigo O. M. A. de Souza、Charlane C. Corrêa、Giovanni W. Amarante
DOI:10.1039/c6ra23936f
日期:——
A catalystfree decarboxylative trichloromethylation of imines to afford different trichloromethyl sulfonyl and sulfinyl amines has been presented. Only DMSO as a solvent at room temperature was necessary to provide the corresponding products in good to high isolated yields. A highly diastereoselective version was carried out, leading to the sulfinylimine with good yield and near perfect diastereoselectivity
When the reaction of aldehydes with alkali metal trihaloacetates is carried out in the presence of a highly polar aprotic solvent (DMF, DMSO), novel organic alkali metal carbonates, which are precursors of pyrethroid insecticides, are formed in high yields and at a high rate. Novel sulfonates and dihalophosphites, derived from these carbonates have also been claimed.