Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Futoshi Shiga"'
Autor:
David B. Kastrinsky, Dale L. Boger, Futoshi Shiga, Inkyu Hwang, John David Trzupek, Mark S. Tichenor
Publikováno v:
Journal of the American Chemical Society. 128:15683-15696
Complementary to studies that provided the first yatakemycin total synthesis resulting in its structure revision and absolute stereochemistry assignment, a second-generation asymmetric total synthesis is disclosed herein. Since the individual yatakem
Autor:
Tsuyoshi Anraku, Wataru Hori, Yasuo Takano, Futoshi Shiga, Kazunori Fukuchi, Jun Asano, Takashi Uno
Publikováno v:
Bioorganic & Medicinal Chemistry. 14:776-792
We describe the design, synthesis, and physicochemical and biological properties of a novel series of 7-heterocycle-6-trifluoromethyl-3-oxoquinoxaline-2-carboxylic acids bearing a substituted phenyl group joined through a urethane or urea linkage to
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 14:5107-5111
We describe the synthesis, physicochemical, and biological properties of a novel series of 7-imidazolyl-6-trifluoromethyl quinoxalinecarboxylic acids with a substituted phenyl group attached through a urethane linkage at the C-7 position. We found th
Autor:
Yasuo Oomori, Futoshi Shiga, Yoshie Kusama, Hirosuke Furuta, Shiro Terashima, Yasumichi Fukuda, Hiroyuki Ebisu
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 7:1683-1688
The title synthesis was achieved by employing oxidative cyclization of the enaminoester as a key step. Some of these novel 3-methoxycarbonyl-2-trifluoromethylcyclopropapyrroloindole (MCTFCPI) derivatives, dl- 10c,d , (+)-10d, and (S)- 21b were found
Publikováno v:
Tetrahedron. 50:11803-11812
The palladium-catalyzed reaction of 2-alkynylanilines and 2-alkynylphenols in the presence of carbon monoxide and methanol under basic conditions gave the sequential cyclization / carbonylation products, methyl 2-substituted indole and benzo[b]-furan
Autor:
Futoshi Shiga, Hiroshi Yamanaka, Takao Sakamoto, Akito Yasuhara, D. Uchiyama, Yoshinori Kondo
Publikováno v:
ChemInform. 23
The palladium-catalyzed cross-coupling reaction of aryl iodides with 3,3,3-triethoxy-1-propyne gave 1-aryl-3,3,3-triethoxy-1-propynes which were converted to the corresponding ethyl arylpropiolates. The arylpropiolates were also synthesized from the
Publikováno v:
ChemInform. 23
1,3-Dipolar cycloaddition reaction of diazomethane and ethyl diazoacetate with tributylstannyl-acetylenes occurred regioselectively to afford the corresponding 3(5)-tributylstannylpyrazoles. The cycloaddition reaction of 3-phenylsydnone with the stan
Publikováno v:
ChemInform. 26
Autor:
Yasuo Oomori, Hirosuke Furuta, Shiro Terashima, Hiroyuki Ebisu, Yoshie Kusama, Yasumichi Fukuda, Futoshi Shiga
Publikováno v:
ChemInform. 28
The title synthesis was achieved by employing oxidative cyclization of the enaminoester as a key step. Some of these novel 3-methoxycarbonyl-2-trifluoromethylcyclopropapyrroloindole (MCTFCPI) derivatives, dl- 10c,d , (+)-10d, and (S)- 21b were found
Publikováno v:
ChemInform. 29