Results 51 to 60 of about 29,722,087 (208)
Journal of Saudi Chemical Society, 2017 Mechanistic insights into the selective C–H terminal activation of n-pentane with tungsten allyl nitrosyl complex reported by Legzdins were gained by employing density functional theory with B3LYP hybrid functional.
Richmond Lee +6 more
doaj +1 more source
, 2005 To understand the mechanism of anion assistance in palladium-catalyzed H-H, C-H, C-C and C-Cl bond activation, several mechanistic pathways for oxidative addition of Pd and ...
Bickelhaupt, F.M. +2 more
core +1 more source
, 2018 A metal-free thiolation reaction between pentafluorobenzene and disulfides by C–H, C–F bond activation and C–S bond formation is reported.
Zijian Liu, Nianfa Yang, Kunbing Ouyang
core +1 more source
Unusual C–H Bond Activation and C(sp3)–C(sp3) Bond Formation at an Fe(II) Bis(amide) Carbene Complex [PDF]
, 2020 Treatment of (IMes)Fe(NTMS2)2 with 4 equiv of methanesulfonyl chloride (MsCl = MeSO2Cl) resulted in a complex reaction sequence involving substitution of two TMS groups for Ms, followed by the unexpected C(sp3)-H bond activation of Ms and subsequent C ...
Wong, Anthony +3 more
core +1 more source
, 2018 Reported is a tandem palladium-catalyzed Heck/regioselective C(sp3)?H activation reaction for the divergent synthesis of spiro- and fused-cyclopropanated indolines from N-methallylated 2-bromoarylamides. The regioselectivity of the C?H bond activation in
Da Sol Chung +9 more
core +1 more source
Beilstein Journal of Organic Chemistry, 2011 An efficient synthesis of 1,3-diaryl-4-halo-1H-pyrazoles was achieved. The synthesis involves the [3 + 2] dipolar cycloaddition of 3-arylsydnones and 2-aryl-1,1-dihalo-1-alkenes. The process proceeds smoothly in moderate to excellent yields. 1,3-Diaryl-4-
Yiwen Yang +4 more
doaj +1 more source
Transition-Metal-Catalyzed C–C Bond Macrocyclization via Intramolecular C–H Bond Activation
, 2023 Macrocycles are commonly synthesized via late-stage macrolactamization and macrolactonization. Strategies involving C–C bond macrocyclization have been reported, and examples include the transition-metal-catalyzed ring-closing metathesis and ...
Lu, Ming-Zhu +5 more
core +1 more source
Reactivity of bromoselenophenes in palladium-catalyzed direct arylations
Beilstein Journal of Organic Chemistry, 2017 The reactivity of 2-bromo- and 2,5-dibromoselenophenes in Pd-catalyzed direct heteroarylation was investigated. From 2-bromoselenophene, only the most reactive heteroarenes could be employed to prepare 2-heteroarylated selenophenes; whereas, 2,5 ...
Aymen Skhiri +3 more
doaj +1 more source
Manganese-catalyzed allylation via sequential C–H and C–C/C–Het bond activation
, 2017 Manganese-catalyzed sequential C–H and C–C/C–Het bond activation to synthesize allylic alcohols, allylated arenes, functionalized cyclopentenes and skipped dienes is reported.
Felix J. R. Klauck +2 more
core +1 more source
Syntheses of Benzo[]Chromen-6-ones by Palladium Catalyzed C–H Bond Activation using Diazonium Salts
Natural Product Communications, 2017 An efficient palladium catalyzed C-H bond activation for the synthesis of benzo[ c ]chromen-6-ones using diazonium salts is described. In the presence of Pd(OAc) 2 , dppp, PivOH and K 2 CO 3 , the diazonium salt can be transformed into the product ...
Liang-Zhu Huang +4 more
doaj +1 more source