727405-73-4Relevant articles and documents
Preparation and characterization of copper/polysulfonamide complex immobilized on geraphene oxide as a novel catalyst for the synthesis of pyrimido[1,2-a]benzimidazoles
Shekarlab, Nayereh,Ghorbani-Vaghei, Ramin,Alavinia, Sedigheh
, (2020/07/24)
Copper–polysulfonamide complex immobilized on geraphene oxide as a novel heterogeneous catalyst (GO@PSA-Cu) was synthesized and the structure and morphology of catalyst were characterized with various analytical techniques such as Fourier-transform infrar
Preparation method of medical intermediate dihydrobenzo[4,5]imidazo[1,2-a]pyrimidine derivative
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Paragraph 0047-0049, (2020/07/02)
The invention discloses a preparation method of a medical intermediate, namely a dihydrobenzo[4,5]imidazo[1,2-a]pyrimidine derivative, belonging to the technical field of biological medicines. The method comprises the following steps: taking aromatic alde
An efficient and practical synthesis of benzazolo[2,1-b]quinazolinones and triazolo[2,1-b]quinazolinones catalyzed by nano-sized NS-C4(DABCO-SO3H)2)·4Cl
Goli-Jolodar, Omid,Shirini, Farhad
, p. 2275 - 2286 (2017/10/30)
In this study, 4,4′-(butane-1,4-diyl)bis(1-sulfo-1,4-diazabicyclo[2.2.2]octane-1,4-diium)tetrachloride (NS-C4(DABCO-SO3H)2)·4Cl is used as a nano-sized Br?nsted acid catalyst for the efficient and preferment synthesis of b