نتایج جستجو برای: Homogenous catalysts

تعداد نتایج: 43488  

Journal: :iranian journal of catalysis 2015
rajesh singh renu bala robita duvedi sahil kumar

amidoalkyl-2-naphthols as synthetic intermediates play an important role in medicinal chemistry due to their remarkable biological and many pharmacological properties. owing to the versatile biological activities, industrial and synthetic applications of these compounds, introduction of an alternative methodology is urgent in synthetic organic chemistry. low yield and harsh reaction conditions ...

Journal: :iranian journal of catalysis 2016
rajesh k. singh shikha sharma akshdeep sandhar manpreet saini sahil kumar

1,5-benzodiazepines are regarded as one of the most important classes of heterocyclic compounds as privileged structures and have vast range of applications in the field of medicine and chemistry. they are therefore attractive synthetic targets for organic and medicinal chemist. the current review article mainly covers the multicomponent green chemistry approaches for the synthesis of 1,5-benzo...

1,5-benzodiazepines are regarded as one of the most important classes of heterocyclic compounds as privileged structures and have vast range of applications in the field of medicine and chemistry. They are therefore attractive synthetic targets for organic and medicinal chemist. The current review article mainly covers the multicomponent green chemistry approaches for the synthesis of 1,5-benzo...

Journal: :Chemical communications 2015
Y Wang Y Nie W Ding S G Chen K Xiong X Q Qi Y Zhang J Wang Z D Wei

The Co nanoparticles encapsulated inside Co and nitrogen co-doped carbon catalysts with small particle size and homogenous distribution of Co NPs were elaborately synthesized, which exhibit evidently outstanding activity and stability toward ORR/HER.

1,5-benzodiazepines are regarded as one of the most important classes of heterocyclic compounds as privileged structures and have vast range of applications in the field of medicine and chemistry. They are therefore attractive synthetic targets for organic and medicinal chemist. The current review article mainly covers the multicomponent green chemistry approaches for the synthesis of 1,5-benzo...

2011
F Dean Toste

The past decade has witnessed a remarkable growth in the number of organic reactions that are catalyzed by homogeneous gold complexes. Many of the early reported reactions took advantage of the propensity of gold complexes to serve as excellent catalysts for reactions that proceed through π-activation of carbon–carbon multiple bonds. Subsequently, the reactivity paradigms available for gold com...

Journal: :international journal of nanoscience and nanotechnology 2008
z. ahmadi sh. afshar l. vafaee a. salehi

in this work, tio2 /sio2 (pure anatase), and tio2 /sio2 (anatase/rutile) nano-photocatalysts are prepared by using sol-gel method and control of acidity. the particles size is calculated using scheerer, s equation and is estimated to be around 7-15 nm. in order to improve the photocatalytic activity of tio2 /sio2 ,1% (wt) platinum particles are loaded on both catalysts using photoreductive meth...

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