noun
definition
A cyclic intramolecular ester derived from a hydroxy acid.
Examples of lactone in a Sentence
It was then found that on reducing the lactone of the acid obtained from d-mannonic acid, ordinary glucose resulted.
On reducing the lactone prepared from the inactive acid an inactive galactose is obtained from which l-galactose may be separated by fermentation.
Sedanolic acid readily decomposes into water and its lactone sedanolid, C 12 H 18 0 2, the odorous constituent of celery oil.
Alternatively a macrocyclic lactone can be used to treat for scab and will also be part of the strategy to remove resistant worms.
Reaction (e) is a special case for hydroxyl lactones which results in cleavage across the lactone ring.
Synthesis of the two specific homoserine lactone (HSL) AI compounds creates a spatial concentration pattern across the swarming plate.
Use gloves when handling or harvesting the roots to avoid contact with the lactone producing parts of the plant.
Solution in dilute alkali was supposed to be accompanied by the rupture of the lactone ring with the formation of the quinonoid salt shown in 2.
Also Kiliani found that the lactone derived from the cyanhydrin of natural arabinose (laevo) was identical with the previous lactone except that its rotation was equal and opposite.
The cyanhydrin is hydrolysable to an acid, the lactone of which may be reduced by sodium amalgam to a glucoheptose, a non-fermentable sugar containing seven carbon atoms. By repeating the process a non-fermentable gluco-octose and a fermentable glucononose may be prepared.