Indium-Catalyzed Direct Conversion of Lactones into Thiolactones and Selenolactones in the Presence of Elemental Sulfur and Selenium
作者:Norio Sakai、Shuhei Horikawa、Yohei Ogiwara
DOI:10.1055/s-0036-1591849
日期:2018.2
Abstract The direct conversion of lactones into thiolactones with elemental sulfur (S8) catalyzed by InCl3/PhSiH3 in a one-pot reaction is described. This catalytic system was successfully applied to the novel preparation of selenolactones from lactones and selenium. The direct conversion of lactones into thiolactones with elemental sulfur (S8) catalyzed by InCl3/PhSiH3 in a one-pot reaction is described
Reaction of thionolactones with zinc enolate: new synthesis of vinylogous carbonates
作者:Hyeon Kyu Lee、Jia Kim、Chwang Siek Pak
DOI:10.1016/s0040-4039(99)01231-9
日期:1999.8
Reaction of various thionolactones, prepared from the lactones and Lawesson's reagent, with methyl bromozinc-acetate afforded the corresponding vinylogous carbonates in good yields under mild conditions. (C) 1999 Elsevier Science Ltd. All rights reserved.
Solvent-free thionation of γ-lactones under microwave irradiation
A series of gamma-thionolactones was synthesized, with good yields, using a new combination of Lawesson's reagent (LR) and hexamethyldisiloxane (HMDO) in solvent-free conditions under microwave irradiation. (C) 2003 Elsevier Ltd. All rights reserved.