Alcohol synthesis from ester
Alkylation of carboxylate salts[ edit ] Although not widely employed for esterifications, salts of carboxylate anions can be alkylating agent with alkyl halides to give esters. Mechanism studies evealed that the carbonyl oxygen in the ester mainly originated from dioxygen.
Esters have the group —COO. Note that the fourth example is an intramolecular reaction that forms a cyclic ester.
Often esters have a pleasant smell which is responsible for producing the characteristic smells of fruits, flowers, etc. Since only three atoms are connected to the carbon atom, it has a trigonal planar geometry around it.
This leads to their extensive use in the fragrance and flavor industry. The reactive sites are the C-H bonds of the alkyl groups and the —o- group of the ether linkage. Berichte der deutschen chemischen Gesellschaft in German.
The mechanism is similar to the mechanism for the reduction of esters by LiAlH4, so we will not be concerned with the details. Suppose we used an aldehyde or ketone instead of carbon dioxide in such a sequence: We'll take up the mechanisms of these reactions later.
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