138665-01-7Relevant academic research and scientific papers
Red-light-mediated BartonMcCombie reaction
Ichii, Naoki,Ogura, Akihiro,Shibata, Kouhei,Takao, Ken-Ichi
supporting information, p. 936 - 941 (2020/11/09)
A red-light-mediated BartonMcCombie reaction is described, in which chlorophyll a is used as a photocatalyst and tris(trimethylsilyl)silane or Hantzsch ester is used as the hydrogen source. The reaction can be performed with a set of easily available equipment and reagents, and a variety of linear and cyclic xanthates could be applied. In contrast to the traditional conditions, the reaction does not involve toxic organotin or an explosive radical initiator. The reaction mechanism was analyzed both by experiments and computation, and it was suggested that the radical chain mechanism initiated by excitation of complex followed by charge transfer is likely to be operative.
Mannose-binding geometry of pradimicin A
Nakagawa, Yu,Doi, Takashi,Taketani, Takara,Takegoshi,Igarashi, Yasuhiro,Ito, Yukishige
, p. 10516 - 10525 (2013/08/23)
Pradimicins (PRMs) and benanomicins are the only family of non-peptidic natural products with lectin-like properties, that is, they recognize D-mannopyranoside (Man) in the presence of Ca2+ ions. Coupled with their unique Man binding ability, t
New synthesis of (-)- and (+)-actinobolin from D-glucose
Imuta, Satoshi,Ochiai, Shinya,Kuribayashi, Miho,Chida, Noritaka
, p. 5047 - 5051 (2007/10/03)
The total synthesis of (-)-actinobolin 2, an antipode of the natural product starting from D-glucose is described. A three-component coupling reaction of a functionalized cyclohexenone (+)-6, derived from D-glucose by way of Ferrier's carbocyclization, wi
Novel and convenient method for the syntheses of 2,6-dideoxypyranoses, 3,6-dideoxypyranoses, and azido (amino) analogs of 3,6-dideoxypyranoses
Chang, Cheng-Wei Tom,Clark, Terri,Ngaara, Mumbi
, p. 6797 - 6801 (2007/10/03)
A novel method of regioselective deoxygenation of methyl 4,6-O-benzylidene-2,3-di-O-tosyl-α-D-glucopyranoside, and its application for the syntheses of 2,6-dideoxypyranoses, 3,6-dideoxypyranoses, and azido (amino) analogs of 3,6-dideoxypyranoses were reported.
Regioselectivity of Reductive Cleavage of Methyl 4,6-O-Benzylidene-3-deoxyhexopyranosides Containing Fluorine at the 2- or 3-Position with LiAlH4-AlCl3
Mori, Yoko,Morishima, Naohiko
, p. 2061 - 2067 (2007/10/02)
Reductive ring-opening reactions of the 4,6-O-benzylidene derivatives of methyl 3-deoxy-β-D-arabino-, 3-deoxy-α-D-ribo-, and 2-O-benzyl-3-deoxy-α-D-ribo-hexopyranosides with LiAlH4 and AlCl3 in the molar ratio of 4:4 gave the 4- and 6-O-benzyl derivatives
Preferred Conformation of C-Glycosides. 8. Synthesis of 1,4-Linked Carbon Disaccharides
Wang, Yuan,Babirad, Stefan A.,Kishi, Yoshito
, p. 468 - 481 (2007/10/02)
Three general synthetic routes to 1,4-linked carbon disaccharides (e.g., 3, 4, 15-17, 21-23, 44, and 45) are presented.Control of the stereochemistry at C.1', C.2', C.5'and C.4, the incorporation of deuterium labels at the C.α position, and structural mod
Syntheses of specifically deoxygenated methyl α-isomaltotriosides
Petrakova,Kovac,Glaudemans
, p. 101 - 112 (2007/10/02)
Specifically deoxygenated methyl α-isomaltotriosides were synthesized by the silver perchlorate-mediated condensation of a protected α-isomaltosyl chloride with suitably blocked derivatives of methyl α-D-glucopyranoside deoxygenated respectively at positi
