The Direct Synthesis of Imines, Benzimidazoles and Quinoxalines from Nitroarenes and Carbonyl Compounds by Selective Nitroarene Hydrogenation Employing a Reusable Iron Catalyst
作者:Christoph Bäumler、Rhett Kempe
DOI:10.1002/chem.201801525
日期:2018.6.26
robust and reusable iron catalyst, which permits the selective hydrogenation of nitroarenes in the presence of hydrogenation‐sensitive functional groups. Based on the selectivity pattern observed, the directiron‐catalyzed synthesis of imines and benzimidazoles from nitroarenes and aldehydes becomes feasible. In addition, we introduce the directsynthesis of quinoxalines from nitroarenes and diketones
[EN] METHODS FOR PREPARING ALKYLFURANS<br/>[FR] PROCÉDÉS DE PRÉPARATION D'ALKYLFURANNES
申请人:MICROMIDAS INC
公开号:WO2014151100A1
公开(公告)日:2014-09-25
Provided herein are methods for preparing alkylfurans, such as 2,5-dialkylfurans and 2-alkylfurans. Furfural or 5-alkylfurfural can be reacted with aniline or diaminobenzene, or derivatives thereof, to form the corresponding imine, which can be reduced to form alkylfurans and to regenerate the aniline or diaminobenzene, or derivatives thereof. The alkylfuran may be, for example, 2,5-dimethylfuran or 2-methylfuran.
Perhydrofuro[3,2-c]-, perhydropyrano[3,2-c]-, and 4-ethoxy-2-(5-R-furan-2-yl)tetrahydroquinolines. Synthesis and transformations
作者:F. I. Zubkov、V. P. Zaitsev、A. M. Piskareva、M. N. Eliseeva、E. V. Nikitina、N. M. Mikhailova、A. V. Varlamov
DOI:10.1134/s1070428010080142
日期:2010.8
furo[3,2-c]quinolines, pyrano-[3,2-c]quinolines, and 4-ethoxyquinolines were synthesized by the imino Diels-Alder (Povarov) reaction. Cycloadditions of these compounds with maleic, citraconic, and dibromomaleic anhydrides, as well as with acryloyl, methacryloyl, and cinnamoyl chlorides led to the formation of substituted epoxyisoindolo[2,1-a]-quinolines and -quinolinecarboxylic acids. Oxidation of the
通过氢化合成了部分氢化的2- [5-甲基(溴,硝基)呋喃-2-基]取代的呋喃[3,2- c ]喹啉,吡喃-[3,2- c ]喹啉和4-乙氧基喹啉。亚氨基Diels-Alder(Povarov)反应。这些化合物与马来酸酐,柠康酸酐和二溴马来酸酐以及丙烯酰,甲基丙烯酰和肉桂酰氯的环加成反应导致形成取代的环氧异吲哚并[2,1- a ]-喹啉和-喹啉羧酸。完成了加合物中双C = C键的氧化,羧基的酯化和7-氧杂双环庚烯片段的芳构化。
Structure–activity relationship study of homoallylamines and related derivatives acting as antifungal agents
作者:Fernando D. Suvire、Maximiliano Sortino、Vladimir V. Kouznetsov、Leonor Y. Vargas M、Susana A. Zacchino、Uriel Mora Cruz、Ricardo D. Enriz
DOI:10.1016/j.bmc.2005.10.036
日期:2006.3
The synthesis, in vitro evaluation, and structure-activity relationship studies of homoallylamines and related derivatives acting as antifungalagents are reported. Among them, compounds N-(4-bromophenyl)-N-(2-furylmethyl)amine and N-(4-chlorophenyl)-N-(2-furylmethyl)amine reported here exhibited remarkable antifungal activity against dermatophytes. Theoretical calculations allow us to determine the