نتایج جستجو برای: n aryl 310 dihydroacridin 12h ones
تعداد نتایج: 1105722 فیلتر نتایج به سال:
Ozonation of N-aryl-cyclic amines in organic solvents gave N-aryl-lactams regioselectively. In particular, 4-(4-aminophenyl)-morpolin-3-one, a key intermediate in the preparation of factor Xa inhibitors, was obtained in fair yields. The method represents an alternative approach for the lactamization of tertiary N-arylic substrates and is based on a "metal-free" introduction of the carbonyl func...
Herein, we report a ruthenium‐catalyzed ketone directed ortho‐arylation wherein the addition of bidentate NC‐type ligand, most effectively 2‐(o‐tolyl) pyridine, significantly enhances C‐H arylation reaction. Various aryl‐alkyl ketones, including cyclic, aliphatic, and heterocyclic ones, are competent substrates, arylboronic acid esters were used as aryl sources. However, substitution with OMe C...
The C-C coupling of N,N'-bis(5-norbornene-2,3-dicarboximide) (3) and N,N'-bis(7-oxa-5-norbornene-2,3-dicarboximide) (6) with aryl and heteroaryl iodides gave under reductive Heck conditions the C-aryl(hetaryl), substituted N,N'-bistricyclic imides 7a-f and 8a,b. The fused spiro-1,3-indandionolylpyrrolidine compounds, 9, 10 and 11 were also obtained from ninhydrine, sarcosine and 3 or 6 via [3+2...
A series of N-aryl-β-alanine derivatives and diazobenzenesulfonamides containing aliphatic rings were designed, synthesized, and their binding to carbonic anhydrases (CA) I, II, VI, VII, XII, and XIII was studied by the fluorescent thermal shift assay and isothermal titration calorimetry. The results showed that 4-substituted diazobenzenesulfonamides were more potent CA binders than N-aryl-β-al...
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