- Selective reduction of thioacetal to sulfide by gallium(II) chloride
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The reaction of dithioacetals with gallium(II) chloride followed by the acid treatment afforded sulfides in good yields.
- Ikeshita, Kei-Ichiro,Kihara, Nobuhiro,Ogawa, Akiya
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- Chlorotrimethylsilane and Sodium Iodide: A Remarkable Metal-Free Association for the Desulfurization of Benzylic Dithioketals under Mild Conditions
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A novel metal-free process allowing the reductive desulfurization of various benzylic dithioketals to afford diarylmethane and benzylester derivatives with good to excellent yields is reported. At room temperature, this mild reduction process requires only the use of TMSCl and NaI in CH2Cl2 and tolerates a large variety of functional groups. (Figure presented.).
- Zhao, Guangkuan,Yuan, Ling-Zhi,Alami, Mouad,Provot, Olivier
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p. 2522 - 2536
(2018/05/14)
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- URACIL NUCLEOTIDE ANALOGUES, THEIR PREPARATION METHOD AND USE THEREOF
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The invention relates to uracil nucleotide analogues, their preparation method and use thereof. Specifically, the invention provides the uracil nucleotide analogues with the formula (I), their stereoisomers and pharmaceutical acceptable salts, the preparation method and use. These compounds are RNA-dependent RNA viral replication inhibitors, and can be used as HCV NS5B polymerase inhibitors, HCV replication inhibitors as well as for the treatment of hepatitis C infection in mammals. They have broad application prospects and are expected to develop a new generation of antiviral drugs.
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Page/Page column 64; 65
(2016/10/08)
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- Lewis acid-catalyzed reduction of dithioacetals by 1,4-cyclohexadiene
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Dithioacetals were reduced by 1,4-cyclohexadiene in the presence of a catalytic amount of Lewis acid to afford the corresponding sulfides in good yields.
- Ikeshita, Kei-ichiro,Kihara, Nobuhiro,Sonoda, Motohiro,Ogawa, Akiya
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p. 3025 - 3028
(2008/02/06)
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- Lewis Acid-Catalyzed Deprotection of p-Methoxybenzyl Ether
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The p-methoxybenzyl protecting group was readily removed from alcohols and phenols using catalytic amounts of AlCl3 or SnCl2 · 2H2O in the presence of EtSH at room temperature. Under these mild conditions other protecting groups such as methyl and benzyl ethers, p-nitrobenzoyl esters, TBDPS ethers and isopropylidene acetal were unchanged.
- Bouzide, Abderrahim,Sauvé, Gilles
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p. 1153 - 1154
(2007/10/03)
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