This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
Modern medicine research indicates that honeysuckle contain chlorogenic acid, flavonoid substance, lonicerin, cyclohexanehexol, minim naphtha and so on.
Pyridazinone derivatives have considerable kinds of biological activities such as those cardiotonic,platelet aggregation inhibitory,anti-inflammatory,aldose reductase inhibitory,antifungal and so on.
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .
HALS are experimentally used in PVC films in this study.It is shown that thermostabilization and photostabilization functions of HALS are similar to those of benzophenone in PVC.
Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.