Efficient and recyclable Cu2(BPDC)2(DABCO)-catalyzed direct amination of activated sp3 C H bonds by N–H heterocycles

New Trends in Oxidative Functionalization of Carbon–Hydrogen Bonds: A Review

“…Polynuclear metal complexes containing voluminous organic [63,66,118,119,[129][130][131]186,[213][214][215][216][217][218][234][235][236][237][238][239][240][241] or siloxane [221][222][223][224][225][226][227][228] ligands are also very efficient in oxidations of organic compounds including saturated hydrocarbons with peroxides. For example, dinuclear copper complex 11 [221,224] and hexairon complex 15 (for the structure, see Figure 9) affording the products of cyclohexane oxidation in a very high yield of 46% (see Figure 10 [226]) can be considered as "inorganic models of methane monooxygenases."…”

“…During the past several decades, many metals have been studied in catalytic activation and functionalization of carbon-hydrogen bonds. The reader is directed to selected recent examples with gold [123], cobalt [124][125][126] chromium [127], copper [128][129][130][131] iron [132][133][134][135], iridium [136], manganese [137][138][139], molybdenum [140], nickel [141], osmium [142][143][144][145][146][147][148], palladium [149][150][151], rhenium [152], rhodium [153,154], ruthenium [155,156], and vanadium [157,158].…”

DABCO‐modified super‐paramagnetic nanoparticles as an efficient and water‐compatible catalyst for the synthesis of pyrano[3,2‐c:5,6‐c']dichromene‐6,8‐dione derivatives under mild reaction conditions

“…Super‐paramagnetic iron oxide nanoparticles were prepared according to our previously reported paper . SPIONs were synthesized by co‐precipitation of Fe 2 O 3 and FeO in basic conditions.…”

“…SPIONs were then coated by tetraethyl orthosilicate according to a previously reported method to form SPION@SiO 2. SPION@SiO 2 nanoparticles were functionalized by (3‐chloropropyl)trimethoxysilane. For this purpose, 10 mmol of (3‐chloropropyl)trimethoxysilane in 30 ml of EtOH was added drop‐wise to a vigorous stirring solution of 25 mg of Fe 3 O 4 @SiO 2 nanoparticles in 30 ml EtOH/H 2 O (1:2) and HCl (pH 4).…”

“…1,4‐Diazabicyclo[2.2.2] octane (DABCO) is a very common base, which is used as a catalyst in various reactions . Continuing our previous efforts in the immobilization of the catalysts on nanoparticles for the synthesis of reusable catalysts on one hand, and the synthesis of biologically active organic compounds on the other hand, in this report a novel catalyst is introduced for the synthesis of pyrano[3,2‐ c :5,6‐ c ']dichromene‐6,8‐dione derivatives.…”