methyl 3-(4-methylphenyltellanyl)propanoate 、 维生素 C 在
Lipase B da C. antarctica 作用下,
以
丙酮 为溶剂,
反应 48.0h,
以74%的产率得到(S)-2-((R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl 3-(p-tolyltellanyl)propanoate
参考文献:
名称:
Direct biocatalysed synthesis of first sulfur-, selenium- and tellurium- containing l-ascorbyl hybrid derivatives with radical trapping and GPx-like properties
Direct biocatalysed synthesis of first sulfur-, selenium- and tellurium- containing l-ascorbyl hybrid derivatives with radical trapping and GPx-like properties
Reductive Cleavage of Te-Te Bond in Ditellurides by Sm / ZrCl<sub>4</sub>System : a Novel Method for the Synthesis of β-Telluroesters (and Nitriles)
作者:Songlin Zhang、Yongmin Zhang
DOI:10.1080/00397910008087320
日期:2000.1
Abstract Diaryl ditellurides were conveniently reduced by a system consisting of samarium and zirconium tetrachloride in tetrahydrofuran to produce samarium aryltellurolates. This new tellurolate anion species reacted smoothly with α, β-unsaturated esters (and nitriles) to give β-telluroesters (and nitriles) in good yields.
Direct Michael addition to electron-deficient alkenes using diorganyl dichalcogenides (Te/S) and NaBH4/PEG-400
作者:Gelson Perin、Elton L. Borges、Thiago J. Peglow、Eder J. Lenardão
DOI:10.1016/j.tetlet.2014.08.101
日期:2014.10
Nucleophilic species of tellurium and sulfur were generated in situ from the reaction of the respective diorganyl dichalcogenides with NaBH4 in PEG-400 as solvent and selectively added to electron-deficient alkenes. Chalcogenolate anions were directly added at mild conditions by this simple procedure and in all cases furnished the respective Michael adducts in short reaction times and good yields. (C) 2014 Elsevier Ltd. All rights reserved.
Li, Xue; Zhang, Songlin; Wang, Yulu, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2003, vol. 42, # 7, p. 1771 - 1773
Tian, Fengshou; Zhang, Songlin; Wang, Yulu, Journal of Chemical Research - Part S, 2003, # 6, p. 360 - 361
作者:Tian, Fengshou、Zhang, Songlin、Wang, Yulu
DOI:——
日期:——
Direct biocatalysed synthesis of first sulfur-, selenium- and tellurium- containing <scp>l</scp>-ascorbyl hybrid derivatives with radical trapping and GPx-like properties
作者:Damiano Tanini、Beatrice Lupori、Gianni Malevolti、Moira Ambrosi、Pierandrea Lo Nostro、Antonella Capperucci
DOI:10.1039/c9cc02427a
日期:——
6-O-l-Ascorbyl selenoesters, thioesters and telluroesters can be efficiently and directly prepared from l-ascorbic acid and suitable functionalised chalcogenoesters through lipase-catalysed transesterification reactions.