Zobrazeno 1 - 10
of 315
pro vyhledávání: '"Kamiya, A."'
Autor:
Tomoya Hisa, Kentaro Kamiya, Dayoung Shin, Andi Setiawan, Motomasa Kobayashi, Masayoshi Arai, Hirokazu Matsumoto, Naoyuki Kotoku
Publikováno v:
ChemInform. 47
In the course of searching for selective growth inhibitors of the cancer cells adapted to nutrient starvation, a new 3-alkylpyridine alkaloid named N-methylniphatyne A (1) was isolated from an Indonesian marine sponge of Xestospongia sp. The chemical
Publikováno v:
ChemInform. 47
The title pyridines are obtained by convenient reaction of pyridine triflates with various aryl boronic acids.
Publikováno v:
ChemInform. 46
A new, convenient, and environmentally benign route to synthesize a variety of highly substituted indene derivatives bearing a quaternary stereogenic carbon center is reported.
Publikováno v:
ChemInform. 46
In this account, we demonstrate a new methodology for the de novo design of functional oligonucleotides with the acyclic scaffolds threoninol and serinol. Four functional motifs-wedge, interstrand-wedge, dimer, and cluster-have been prepared from nat
Autor:
Xiao Zhang, Satoru Matsuishi, Yoshitake Toda, Hechang Lei, Shigenori Ueda, Hideo Hosono, Zewen Xiao, Toshio Kamiya
Publikováno v:
ChemInform. 46
Polycrystalline layered Y2C with quasi-2D anionic electrons confined in the interlayer is prepared by melting stoichiometric amounts of Y shots and C granules under Ar.
Publikováno v:
ChemInform. 45
A mixed-valence Ru(II)–Ru(III) complex was used to catalyze the skeletal reorganization of 1,6-enynes, leading to the production of 1-vinylcyclopentene derivatives. The reaction proceeded optimally...
Autor:
Hiroshi Mizoguchi, Sangwon Park, Katsuaki Kodama, Hideo Hosono, Toshiya Otomo, Toshio Kamiya, Satoru Matsuishi, Shin-ichi Shamoto
Publikováno v:
ChemInform. 45
LnCrAsO (Ln: La, Ce, Pr, Nd) is prepared by solid state reaction of stoichiometric mixtures of LnAs, Cr, and Cr2O3 (evacuated silica tube, 1273 K, 20 h).
Autor:
Kentaro Kamiya, Masami Ishibashi, Takayoshi Arai, Yushi Yamamoto, Atsuko Awata, Midori A. Arai
Publikováno v:
ChemInform. 44
Friedel—Crafts reaction of isatin-derived nitroalkenes with indoles in the presence of either Cu(O-Tf)2 [conditions A)] or CuOTf [conditions B)] yields 3,3′-bisindoles which represent the skeleton of various indole alkaloids.
Publikováno v:
ChemInform. 44
The method allows the chemoselective elimination in substrates possessing either a diethylamino- or an alkylsulfanyl group.
Publikováno v:
ChemInform. 43
In situ generated lanthanum(III) nitrate alkoxide is a highly active and nearly neutral transesterification catalyst, which can promote non-epimerized transesterification of α-substituted chiral carboxylic esters under reflux conditions.