AQA A Level Chemistry复习笔记7.3.6 Manufacture of Aspirin
Manufacture of Aspirin Manufacture of Aspirin Acylation reactions have many uses, such as in the pharmaceutical and textile industries for making drugs, e.g. aspirin, and textiles, e.g. cell...
Manufacture of Aspirin Manufacture of Aspirin Acylation reactions have many uses, such as in the pharmaceutical and textile industries for making drugs, e.g. aspirin, and textiles, e.g. cell...
Acyl Groups Acyl groups Acyl groups can be built into many molecules using acyl chlorides or acid anhydrides (known as acylating agents) Acyl chlorides are derivatives of carboxylic acids by...
Ester Hydrolysis Hydrolysis of Esters - Acid The reverse of the esterification reaction is called hydrolysis Ester hydrolysis is a useful reaction for creating biodegradable plastics Esters ...
Biodiesel Biodiesel Biodiesel is made from renewable vegetable oils rather than non sustainable petrochemicals Natural triglyceride oils are converted to esters of methanol, which makes them...
Esters Esters Esters are a carboxylic acid derivative which contains the ester group, -COO- An ester is named after the parent carboxylic acid from which it is derived Remove the -oic acid suffix f...
Nucleophilic Addition Many of the reactions which carbonyl compounds undergo are nucleophilic addition reactions The carbonyl group -C=O, in aldehydes and ketones is polarised The oxygen ato...
Reduction of Carbonyls Reduction of Carbonyls There are a large number of reducing agents which will reduce both an aldehyde and a ketone to an alcohol Aldehydes are reduced to primary alcoh...
Racemic Mixtures Net Optical activity Let’s suppose that in a solution, there is 20% of the enantiomer which rotates the plane polarised light clockwise and 80% of the enantiomer which rotat...
Identifying Chiral Centres Identifying chiral centres in a molecule takes a bit of practice whether it is from a formula, a 2D drawing or a 3D drawing To be successful you need to differenti...
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