Highly efficient enzymatic synthesis of tert-butyl (S)-6-chloro-5-hydroxy-3-oxohexanoate with a mutant alcohol dehydrogenase of Lactobacillus kefir tert-Butyl (S)-6-chloro-5-hydroxy-3-oxohexanoate ((S)-CHOH) is a valuable chiral synthon, which is used for the synthesis of the cholesterol-...
Russian Chemical Bulletin - N-Acetylsialyl bromide with O-acetyl groups was shown to react with isopropyl alcohol either neat or dissolved in CH2Cl2 or MeCN in the absence of added promoter to give...doi:10.1007/s11172-022-3625-9Mamirgova, Z. Z....
first direct activation of molecular oxygen by nickel in Ni-Al hydrotalcite as demonstrated by the selective oxidation of various kinds of a-ketols as well as benzylic and allylic alcohols (Scheme 1) at atmospheric pressure. Inciden- tally, this is also the first report of the selective ...
- 《Alcohol Alcohol》 被引量: 62发表: 2001年 Evaluation of N95 respirator use with a surgical mask cover: Effects on breathing resistance and inhaled carbon dioxide Objective:For pandemic influenza outbreaks, the In Sinkule,J E.,Powell,... - 《Annals of Occupational Hygiene An International ...
homogeneous Alcohol is uniformly distributed in water and hence it is an example of a homogeneous mixture.
165.2: Theblue lawsprohibit the sale of alcohol before noon on Sunday. 165.3: Manyblue lawshave been repealed, but a few are still in effect. 166.1: She reached herboiling pointafter dealing with rude customers all day. 166.2: Tensions in the meeting hit theboiling pointwhen they could...
block or detecting smell of alcohol, if,forexample,oneofyour duties is to prevent drink driving and at a certain road [...] legco.gov.hk legco.gov.hk 即使是隨機也好,有路障、嗅出了酒味也好,譬如你的其中一項工作是防止醉駕,而在某一個路障,有一名駕駛者離你老遠已看到路障(如果他當 時醉得完全...
important. You can't always just add together the volumes of each to get the final volume. If you mix alcohol and water, for example, the final volume will be less than the sum of the volumes of alcohol and water. The concept ofmiscibilitycomes into play here and in examples like it....
The most general classification of chemical compounds is that of inorganic and organic substances. Inorganic substances generally do not contain a carbon atom, whereas organic substances contain several. ... Water is definitely an inorganic compound (dihydrogen oxide) and methyl alcohol is definitely ...
For example, in azeotrope ethyl alcohol, ethyl alcohol is mixed with water. Solute and solvent both are in a liquid state in the azeotropic mixture. For example, in an azeotropic mixture of ethyl alcohol and water, both are taken in the liquid state. Solute and solvent are taken in ...