- A direct assay of butyrylcholinesterase activity using a fluorescent substrate
-
In this study, we report a direct fluorometric assay for butyrylcholinesterase (BChE) activity and screening of its inhibitor, using a fluorescent substrate. 2-(2-(5,6-Dimethoxy-1,3-dioxoisoindolin-2-yl)acetoxy)-N,N,N-trimethylethan-1-ammonium iodide (1)
- Kang, Seungyoon,Lee, Suji,Yang, Woojin,Seo, Jiwon,Han, Min Su
-
-
Read Online
- Total Synthesis of Violaceoid A and (-)- and (+)-Violaceoid B
-
The first total synthesis of violaceoid A, a cytotoxic agent, and the asymmetric total synthesis of (-)- and (+)-violaceoid B are reported. The precursor was accessed by desymmetrization of a substituted quinol moiety, and the racemic secondary alcohol wa
- Murata, Takatsugu,Kuboki, Teppei,Ishikawa, Ryo,Saito, Takahiro,Taguchi, Shotaro,Takeuchi, Kazuma,Hatano, Emiko,Shimonaka, Motoyuki,Shiina, Isamu
-
p. 2364 - 2370
(2018/11/23)
-
- Method for preparing 3,6-dihydroxyphthalimide
-
The invention discloses a method for preparing 3,6-dihydroxyphthalimide. According to the method disclosed by the invention, the 3,6-dihydroxyphthalimide is obtained by taking 3,6-dihydroxyphthalonitrile, acetic anhydride and urea as main raw materials through three steps of reaction. The method provided by the invention has the advantages that a process is simple, convenient and stable to operate; a product of each step is easy to separate, has high yield and is environmentally friendly and the comprehensive yield is 85 percent or more; the raw materials are cheap and easy to obtain and the production cost is greatly reduced so that industrial large-scale production is facilitated.
- -
-
Paragraph 0022-0024; 0032-0033; 0041-0042
(2018/01/09)
-
- Fluorescence emissions of imide compounds and end-capped polyimides enhanced by intramolecular double hydrogen bonds
-
The structure and optical properties of a newly synthesized imide compound (DHNHPI) that forms intramolecular double hydrogen bonds (intra-HBs) were investigated. This compound exhibits intense absorption at 372 nm (Pdbl = 5091 cm-1 M-1/s
- Kanosue, Kenta,Ando, Shinji
-
p. 30659 - 30669
(2015/11/23)
-
- Inclusion complex containing epoxy resin composition for semiconductor encapsulation
-
The invention is an epoxy resin composition for sealing a semiconductor, including (A) an epoxy resin and (B) a clathrate complex. The clathrate complex is one of (b1) an aromatic carboxylic acid compound, and (b2) at least one imidazole compound represented by formula (II): wherein R2 represents a hydrogen atom, C1-C10 alkyl group, phenyl group, benzyl group or cyanoethyl group, and R3 to R5 represent a hydrogen atom, nitro group, halogen atom, C1-C20 alkyl group, phenyl group, benzyl group, hydroxymethyl group or C1-C20 acyl group. The composition has improved storage stability, retains flowability when sealing, and achieves an effective curing rate applicable for sealing delicate semiconductors.
- -
-
-
- Synthetic studies on the CDEF ring system of lactonamycin
-
Both (1) furan-maleimide Diels-Alder cycloaddition reaction and (2) furan-benzyne cycloaddition, Suzuki cross-coupling, boron-mediated aldol, and electrophilic aromatic substitution reactions were examined for the construction of the CDEF ring system of l
- Le Vézou?t, Ronan,White, Andrew J.P.,Burrows, Jeremy N.,Barrett, Anthony G.M.
-
p. 12252 - 12263
(2007/10/03)
-