16231-98-4Relevant academic research and scientific papers
Efficient and Clean Aldol Condensation Catalyzed by Sodium Carbonate in Water
Zhang, Ze,Dong, Ya-Wei,Wang, Guan-Wu
, p. 966 - 967 (2003)
Efficient and environmentally friendly synthesis of chalcone and azachalcone was performed by aldol condensation of aldehydes with ketones in pure water catalyzed by sodium carbonate. In this convenient methodology, side reactions were avoided and thus high yields were achieved.
Chalcone-derived thiosemicarbazones and their zinc(II) and gallium(III) complexes: Spectral studies and antimicrobial activity
Silva, Jeferson G. Da,Perdigao, Camila C. H.,Speziali, Nivaldo L.,Beraldo, Heloisa
, p. 385 - 401 (2013)
Chalcone-derived 3-phenyl-1-pyridin-2-ylprop-2-en-1-one thiosemicarbazone (HPyCTPh) (1), 3-(4-chlorophenyl)-1-pyridin-2-ylprop-2-en-1-one thiosemicarbazone (HPyCT4ClPh) (2), 3-(4-bromophenyl)-1-pyridin-2-ylprop-2-en-1- one thiosemicarbazone (HPyCT4BrPh) (
Synthesis of azachalcones, their α-amylase, α-glucosidase inhibitory activities, kinetics, and molecular docking studies
Saleem, Faiza,Kanwal,Khan, Khalid Mohammed,Chigurupati, Sridevi,Solangi, Mehwish,Nemala, Appala Raju,Mushtaq, Maria,Ul-Haq, Zaheer,Taha, Muhammad,Perveen, Shahnaz
, (2020/12/09)
Diabetes being a chronic metabolic disorder have attracted the attention of medicinal chemists and biologists. The introduction of new and potential drug candidates for the cure and treatment of diabetes has become a major concern due to its increased pre
Coordination-driven self-assembly of anthraquinone-based metal-organic cages for photocatalytic selective [2 + 2] cycloaddition
Cui, Yong,Jiang, Hong,Jin, Yao,Liu, Yan,Tang, Xianhui,Zhang, Wenqiang
supporting information, p. 8533 - 8539 (2021/06/28)
Visible-light-promoted [2 + 2] cycloaddition provides a straightforward and efficient way to produce cyclobutanes, which are the core skeleton in commercial pharmaceuticals and fine chemicals. However, the control of the conformation to producesyn-head-to
An Efficient Cyclic Di-AMP Based Artificial Metalloribozyme for Enantioselective Diels–Alder Reactions
Qi, Qianqian,Lv, Shuting,Hao, Min,Dong, Xingchen,Gu, Youkun,Wu, Peizhe,Zhang, Wenyue,Chen, Yashao,Wang, Changhao
, p. 4417 - 4424 (2020/06/17)
The diverse structures of nucleic acids as scaffolds have brought the significant advancement for DNA-based enantioselective catalysis, yet RNA-based enantioselective catalysis is lacking investigation. Herein, we report a small, natural RNA of cyclic di-AMP (c-di-AMP) and Cu2+ ions assemble into an artificial metalloribozyme (c-di-AMP·Cu2+), that could effectively catalyze the enantioselective Diels–Alder reactions with up to 80 percent ee. The enantioselective catalytic performance of c-di-AMP·Cu2+ has been studied by thorough investigations of different metal cofactors, c-di-AMP/Cu2+ molar ratios, additives, buffers and c-di-AMP analogues. In addition, the assembly of c-di-AMP·Cu2+ gives rise to 300-fold and 5-fold rate acceleration compared to the uncatalyzed reaction and Cu2+ ions, respectively. This work provides a simple and efficient strategy to construct the RNA-based catalysts that would expand the current nucleic acids-based catalysis and might hint the possible catalytic RNA in primordial chemistry.
Synthesis, characterization and biological application of pyrazolo[1,5-a]pyrimidine based organometallic Re(I) complexes
Bhatt, Bhupesh S.,Pandya, Juhee G.,Patel, Mohan N.,Pathak, Chandramani,Vaidya, Foram U.,Varma, Reena R.
, p. 957 - 969 (2020/10/02)
The neutral rhenium(I) complexes (I-VI) of type [ReCl(CO)3Ln] {where L1 = 7-phenyl-5-(pyridin-2-yl)pyrazolo[1,5-a] pyrimidine, L2 = 7-(4-bromophenyl)-5-(pyridin-2-yl)pyrazolo[1,5-a]pyrimi- dine, L3 =
Design and development of a heterogeneous catalyst for the michael addition of malononitrile to 2-enoylpyridines: Influence of the primary amide decorated framework on catalytic activity and selectivity
Markad, Datta,Khullar, Sadhika,Mandal, Sanjay K.
supporting information, p. 12547 - 12554 (2019/10/11)
For the Michael addition of malononitrile to 2-enoylpyridines, we report the first heterogeneous catalyst, {[Zn2(2-bpbg)(fum)2]·4H2O·EtOH}n (1) (where 2-bpbg = N,N′-bis(2-pyridylmethyl)-1,4-diaminobutane-N,N′-di
Design, synthesis, pharmacological evaluation and DNA interaction studies of binuclear Pt(II) complexes with pyrazolo[1,5-a]pyrimidine scaffold
Lunagariya, Miral V.,Thakor, Khyati P.,Waghela, Bhargav N.,Pathak, Chadramani,Patel, Mohan N.
, (2018/01/22)
Substituted pyrazolo[1,5-a]pyrimidine ligands were synthesized by cyclization, using 3-(thiophen-2-yl)-1H-pyrazol-5-amine with substituted enones (3-phenyl-1-(pyridin-2-yl)prop-2-en-1-one) in presence of KOH and DMF as solvent to form cyclic aromatic compounds. The substituted pyrazolo[1,5-a] pyrimidine based binuclear PtII complexes containing neutral tetradentated ligands have general formula [Pt2(5a–5f)Cl4], (where, (5a -5f) = pyrazolo[1,5-a] pyrimidine ligand). This compounds were characterized by physicochemical and spectroscopic method like elemental analyses, UV-Visible, FT-IR, EDX, TGA, molar conductivity, magnetic susceptibility measurements, mass spectroscopy, 1H and 13C NMR method. The square planar geometry was predicted by electronic spectral study. All PtII compounds were evaluated by antimicrobial assay, in vitro brine shrimp assay, in vivo cellular level bioassay using S. Pombe cells and anti-tuberculosis study. LC50 (50% lethal concentration) values of compounds are observed between 6.450 - 102.07?μg/mL. UV-vis absorption titration, competitive displacement assay, molecular docking and viscosity measurement were carried out to examine the binding type and binding strength of complexes. The binding studies suggest partial intercalative binding mode of the complexes and the observed binding constant (Kb) values are found in the order of 6d > 6b > 6c > 6a > 6e > 6?f. The anti-proliferative cytotoxicity of the synthesized PtII complexes (6a-6f) were tested against the HCT-116 (Human Colorectal Carcinoma) cancer cell line.
Halo-substituted chalcones and azachalcones-inhibited, lipopolysaccharited-stimulated, pro-inflammatory responses through the TLR4-mediated pathway
Shih, Tzenge-Lien,Liu, Ming-Hwa,Li, Chia-Wai,Kuo, Chia-Feng
, (2018/03/21)
A series of B-ring, halo-substituted chalcones and azachalcones were synthesized to evaluate and compare their anti-inflammatory activity. Mouse BALB/c macrophage RAW 264.7 were pre-treated with 10 μg/mL of each compound for one hour before induction of i
N1-benzenesulfonyl-2-pyrazoline hybrids in neurological disorders: Syntheses, biological screening and computational studies
Tripathi, Avinash C.,Upadhyay, Savita,Paliwal, Sarvesh,Saraf, Shailendra K.
, p. 126 - 148 (2018/02/14)
A novel series of 1,3,5-trisubstituted-2-pyrazolines (5a-5t) was prepared via Claisen Schmidt condensation, followed by heterocyclization with hydrazine hydrate, substitution of N1 hydrogen of 2-pyrazoline nucleus with 4-chlorobenzenesulfonylchloride, app
