20069-66-3Relevant articles and documents
Clay anti-swelling agent for acidifying acid in high-temperature oil field
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Paragraph 0026-0028; 0030-0031; 0034-0038; 0040-0041; 0044, (2020/12/31)
The invention relates to the technical field of oilfield development, in particular to a clay anti-swelling agent for high temperature oilfield acidification. The clay anti-swelling agent is preparedby: reacting 1-naphthol with acrylic acid to generate na
CARBOXYLIC ACID ESTER PRODUCTION METHOD
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Paragraph 0075; 0076, (2019/01/04)
Provided is a production method whereby corresponding carboxylic acid esters can be obtained from a variety of carboxylic acids at a high yield, even under conditions using a simple reaction operation and little catalyst and even if the amount of substrate used is theoretical. A production method for carboxylic acid ester, whereby a prescribed diester dicarbonate, carboxylic acid, and alcohol are reacted in the presence of at least one type of magnesium compound and at least one type of alkali metal compound.
1,4-Diazabicyclo[2.2.2]octane-Promoted Aminotrifluoromethylthiolation of α,β-Unsaturated Carbonyl Compounds: N-Trifluoromethylthio-4-nitrophthalimide Acts as Both the Nitrogen and SCF3 Sources
Xiao, Qing,He, Qijie,Li, Juncheng,Wang, Jun
supporting information, p. 6090 - 6093 (2016/01/09)
A novel difunctionalization reaction is described. It uses N-trifluoromethylthio-4-nitrophthalimide as the reagent, which serves as both the nitrogen and SCF3 sources. In the presence of DABCO (1,4-diazabicyclo[2.2.2]octane), the nitrogen and SCF3 groups can be incorporated into α,β-unsaturated carbonyl compounds easily and give versatile β-amino ketones and esters in good yields. This difunctionalization reaction features mild reaction conditions, high atom-economy, and efficient access to α-SCF3 amino acids.