Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Hidetoshi Isawa"'
Autor:
Kyoko Nakagawa-Goto, Hidetoshi Isawa, Tetsuji Ozawa, Masahiro Kobayashi, Takehiro Ishikawa, Masayuki Nishimura, Norihiko Kikuchi, Ritsu Suzuki, Junichi Sonehara, Yohei Saito, Takayuki Ainai, Kiyoshi Kasai, Kobayashi Makoto
Publikováno v:
Organic Process Research & Development. 24:1675-1682
An efficient route for the multikilogram synthesis of a selective β3-adrenergic receptor agonist, ritobegron ethyl hydrochloride (1), was developed by changing the coupling method of 4-hydroxynorep...
Publikováno v:
CHEMICAL & PHARMACEUTICAL BULLETIN. 64:1009-1018
A practical preparation of 4-(substituted benzyl)-3-(2,3,4,6-tetra-O-acyl-β-D-glucopyranosyloxy)-1H-pyrazole derivative 2 is described. O-Glycosylation of 4-(substituted benzyl)-1,2-dihydro-3H-pyrazol-3-one derivative 3 was facilitated by introducti
Publikováno v:
Chemicalpharmaceutical bulletin. 64(7)
A practical preparation of 4-(substituted benzyl)-3-(2,3,4,6-tetra-O-acyl-β-D-glucopyranosyloxy)-1H-pyrazole derivative 2 is described. O-Glycosylation of 4-(substituted benzyl)-1,2-dihydro-3H-pyrazol-3-one derivative 3 was facilitated by introducti
Publikováno v:
HETEROCYCLES. 78(2):319-324
The reactions of potassium 1,3-bis(ethoxycarbonyl)indolizine-2-thiolates with ethyl 4-bromocrotonate afforded the corresponding indolizine derivatives having (E)-(3-ethoxycarbonyl-2-propenyl)thio, (E)- and (Z)-(3-ethoxycarbonyl-1-propenyl)thio group
Publikováno v:
HETEROCYCLES. 92:1599
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 40
Autor:
Harunobu Mukaiyama, Hideyuki Muranaka, Hiroaki Kobayashi, Masahiko Uchida, Tomonaga Ozawa, Yasuoki Murakami, Kosuke Okazaki, Yuji Hoyano, Yuichiro Kai, Hiroaki Okuno, Norihiko Kikuchi, Kenji Yokoyama, Hiroaki Shiohara, Kiyoto Hara, Eiichi Tsuji, Takashi Koizumi, Hidetoshi Isawa, Hideki Takeuchi, Keiko Misawa, Shigeru Nakano
Publikováno v:
Bioorganicmedicinal chemistry letters. 18(16)
A series of novel and potent 3-amidinophenylsulfonamide derivatives of factor Xa inhibitors were designed and synthesized using an amidoxime prodrug strategy. We focused on systemic clearance of parent compounds in rats, and performed in vivo pharmac
Publikováno v:
Heterocyclic Communications. 14
Autor:
Tsuneaki Takashima, Akikazu Kakehi, Hidetoshi Isawa, Tosio Sakurai, Suketaka Ito, Kunio Urushido
Publikováno v:
Chemical and Pharmaceutical Bulletin. 38:2667-2675
Various 2-(acylmethylthio)-, 2-(benzylthio)-, and 2-(propargylthio)pyrazolo[1, 5-a]pyridine derivatives (4a-n' and 7a-n') were prepared in moderate to good yields by the reactions of potassium pyrazolo[1, 5-a]pyridine-2-thiolates (2 and 6), readily a