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Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:781-788
A palladium-mediated intramolecular aryl-aryl coupling reaction was applied to the total synthesis of the bioactive natural products, graphislactone G (1), and palmariols A (2) and B (3), which possess an unusual chloro-subsutituent on the 6H-dibenzo
Autor:
Kirara Sugiura, Kazuhiko Hayashi, Yoshimi Ichimaru, Kanae Nakayama, Yumi Harada, Yuki Kojima, Masanori Imai, Azusa Maeda
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:581-584
Lithium cations were observed to accelerate the hydrolysis of esters with hydroxides (KOH, NaOH, LiOH) in a water/tetrahydrofuran (THF) two-phase system. Yields in the hydrolysis of substituted benzoates and aliphatic esters using the various hydroxi
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:1206-1208
Herein, it is reported that p-acetamidophenylboronic acid can be electrolytic cleavage of the carbon-boron bond to p-acetamidophenol at an electric potential of 1.2 V vs. Ag/AgCl in 100 mM phosphate buffer of pH 7.4 (containing 10% acetonirile). The
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:407-410
Hydantoins, including the antiepileptic drug phenytoin, contain an amide nitrogen and an imide nitrogen, both of which can be alkylated. However, due to the higher acidity of its proton, N3 can be more easily alkylated than N1 under basic conditions.
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:298-301
Isodehydrodigallic acid, which is an important component of several ellagitannin compounds, was easily synthesized using a classical Ullmann condensation reaction.
Autor:
Ahmed Basudan, Mohammad A. Alfhili, Ayed A. Dera, Saeed A. Asiri, Hassan S. Alamri, Abdullah Al Subayyil, Fahad M. Aldakheel, Raid Alakeel, Tlili Barhoumi, Hazem K. Ghneim, Yasser S. Basmaeil, Jawaher Alsughayyir, Yazeed A. Al-Sheikh, Yasser Alraey, Maaged A. Akiel
Publikováno v:
Biological and Pharmaceutical Bulletin. 44:372-378
The prevalence of cancer-associated anemia (CIA) is high, and the mechanisms governing its development remain poorly understood. Eryptosis, the suicidal cell death of red blood cells (RBCs), may account for CIA as it is triggered by clinically approv
Adsorption Performance on As(III) from Aqueous Solution Using the Complex Nickel–Aluminum Hydroxides
Autor:
Megumu Toda, Masashi Otani, Yuuka Izutani, Chalermpong Saenjum, Yugo Uematsu, Fumihiko Ogata, Takehiro Nakamura, Yuhei Kobayashi, Naohito Kawasaki
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:86-91
In this study, complex nickel-aluminum hydroxides were prepared at different molar ratios (NA12, NA11, NA21, NA31, and NA41), and their adsorption capability on arsenic ions (As(III)) from aqueous media was assessed. The physicochemical properties su
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:92-98
This study aimed to investigate the characteristics of acid-activated bentonite by focusing on its capability of improving the quality of tap water used during wire electrical discharge machining. Raw bentonite (RB) was activated using sulfuric acid,
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:278-280
We disclose our studies on a copper-mediated reaction of alkynes with trimethylsilyl azide to afford nitriles, and proposed a reaction mechanism, which involves an iodoalkyne and an iodotriazole as intermediates.
Publikováno v:
Biological and Pharmaceutical Bulletin. 43:1241-1247
Retinal pigment epithelial (RPE) cells form the outer blood-retinal barrier (BRB) and regulate drug/compound exchange between the neural retina and blood in the fenestrated blood vessels of retinal choroid via membrane transporters. Recent studies ha