Zobrazeno 1 - 10
of 127
pro vyhledávání: '"Shizen Sekiguchi"'
Publikováno v:
ChemInform. 25
Arabinoaminooxazoline reacted readily with α-(bromomethyl)acrylate derivatives to afford the corresponding adduct. Potassium tert-butoxide- or sodium methoxide-catalyzed cyclization of the adduct gave 5-substituted 2,2′-anhydroarabinofuranosylurac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d917e38aca4a203e4bacf32e306a48e
https://doi.org/10.1002/chin.199431268
https://doi.org/10.1002/chin.199431268
Autor:
Shizen Sekiguchi, Akiko Nakamura, Masakazu Endoh, Hiroaki Sawai, Hiroaki Ozaki, Keisuke Yumoto
Publikováno v:
ChemInform. 26
5-Substituted uracil nucleosides useful for the attachment of linker arms to nucleic acids are prepared from arabinoaminooxazoline and dimethyl α-bromomethylfumarate in a short reaction sequence without using any protecting groups, and incorporated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c7081979641df789db817530e97190a
https://doi.org/10.1002/chin.199508265
https://doi.org/10.1002/chin.199508265
Publikováno v:
The Journal of Organic Chemistry. 55:1829-1834
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4e502ae4e7b0d29b434edb43892afed
https://doi.org/10.1021/jo00293a029
https://doi.org/10.1021/jo00293a029
Publikováno v:
Tetrahedron. 46:5567-5578
In the reactions of 1-d1a1kylamino-2,4,6-trinitro- and 1-dialkylam1no-2, 4-dinitrobenzenes with various amines in dimethyl sulfoxide, 1-dialkylamino group is easily replaced with primary n-alkylamines at room temperature, and in a low yield with pyrr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e14fe3ab2edb499b01c7c5e6d9a13fdb
https://doi.org/10.1016/s0040-4020(01)87755-3
https://doi.org/10.1016/s0040-4020(01)87755-3
Publikováno v:
ChemInform. 21
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6710d1e5a5203eaeb58ec5c7c1037a6
https://doi.org/10.1002/chin.199052072
https://doi.org/10.1002/chin.199052072
Publikováno v:
ChemInform. 21
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d14039f7108d30f1d44f26f4dcb4843e
https://doi.org/10.1002/chin.199034109
https://doi.org/10.1002/chin.199034109
Publikováno v:
ChemInform. 21
The title compounds 3 were prepared in low yields from the carbylamine reaction of amino-1,3,5-triazines 1 under phase-transfer conditions. Isocyanotriazine 3a readily reacted with amines in the presence of copper salts to afford triazinylformamidine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93fa1f6a804967b4ff6be52a123c8489
https://doi.org/10.1002/chin.199001248
https://doi.org/10.1002/chin.199001248
Publikováno v:
Chemistry Letters. 23:605-606
Arabinoaminooxazoline reacted readily with α-(bromomethyl)acrylate derivatives to afford the corresponding adduct. Potassium tert-butoxide- or sodium methoxide-catalyzed cyclization of the adduct gave 5-substituted 2,2′-anhydroarabinofuranosylurac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9604e7c21d0143fd7f1c0b4f3d557200
https://doi.org/10.1246/cl.1994.605
https://doi.org/10.1246/cl.1994.605
Autor:
Akiko Nakamura, Hiroaki Ozaki, Shizen Sekiguchi, Keisuke Yumoto, Masakazu Endoh, Hiroaki Sawai
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :1997
5-Substituted uracil nucleosides useful for the attachment of linker arms to nucleic acids are prepared from arabinoaminooxazoline and dimethyl α-bromomethylfumarate in a short reaction sequence without using any protecting groups, and incorporated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfc2e827b142eb4b23c685e78844257e
https://doi.org/10.1039/c39940001997
https://doi.org/10.1039/c39940001997
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1111
The nucleophilic substitution reaction of butylamine with 1-pyrrolidino-2,4-dinitronaphthalene (1a) in dimethyl sulfoxide is subject to general base catalysis, whereas the reaction of the same amine with 1-piperidino-(1b) or 1-dimethylamino-2,4-dinit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2525039ecc48f216e2c0d2760aa62abd
https://doi.org/10.1039/p29930001111
https://doi.org/10.1039/p29930001111