3376-59-8Relevant articles and documents
HETEROCYCLIC COMPOUNDS FOR THE CONTROL OF INVERTEBRATE PESTS
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Page/Page column 29; 33; 40, (2021/11/20)
The invention relates to compounds of formula (I) wherein the variables have the meanings as defined in the specification, to compositions comprising them, to active compound combinations comprising them, and to their use for protecting growing plants and
Assessing biocatalysis using dihydrolevoglucosenone (Cyrene) as versatile bio-based (co)solvent
Guajardo, Nadia,Domínguez de María, Pablo
, (2020/02/20)
An emerging biogenic aprotic solvent is the cellulose-derived dihydrolevoglucosenone, or 6,8-dioxabicyclooctanone (Cyrene). This paper explores the use of Cyrene in lipase-catalyzed biotransformations, both in aqueous solutions – as co-solvent – as well a
Preparation method for emtricitabine isomer
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, (2019/04/26)
The invention discloses a preparation method for an embritabine isomer. The preparation method comprises the following steps: with Solketal as a starting material, allowing the Solketal to undergo a six-step reaction of esterification, hydrolysis, oxidation, condensation cyclization, acetylation and glycosylation condensation so as to synthesize four mixture intermediates of emtricitabine; and splitting the four isomer intermediates into a cis-isomer mixture and a trans-isomer mixture through a chiral reagent. According to the invention, by adoption of a simple starting material, a mixture forsplitting key intermediates of four optical isomers of the emtricitabine is synthesized through the six-step reaction, and chiral acid is utilized to split the four isomers into a mixture of cis andtrans isomers, so the preparation method provided by the invention has the advantages of simple and convenient operation, high yield and high isomer chiral purity.