Heterocyclic Chemistry at a Glance
Heterocycles in Nature 165 Heterocyclic secondary metabolites An enormous structural variety of secondary metabolites, that is s ...
166 Heterocycles in Nature hydroxyl groups markedly affects the UV–Vis absorption. The petals of hydrangeas, which can exhibit a ...
Heterocyclic Chemistry at a Glance, Second Edition. John A. Joule and Keith Mills. © 2013 John Wiley & Sons, Ltd. Published ...
168 Heterocycles in Medicine Drugs exert their effects by a number of mechanisms, the most important being: (a) Mimicking or opp ...
Heterocycles in Medicine 169 properties, for example replacing a benzene ring by a pyridine ring may improve aqueous solubility. ...
170 Heterocycles in Medicine For convenience, the following sections on receptor-based drugs are grouped, where possible, accord ...
Heterocycles in Medicine 171 Acetylcholine (ACh) Acetylcholine mediates two different types of activity at corresponding recepto ...
172 Heterocycles in Medicine Anticholinesterase agents The physiological activity of acetylcholine relies on local release, stim ...
Heterocycles in Medicine 173 Adrenaline and noradrenaline Adrenaline and noradrenaline are prominent in the cardiovascular syste ...
174 Heterocycles in Medicine Phenobarbitone (another barbiturate, also known as phenobarbital) and a newer drug lamotrigine are ...
Heterocycles in Medicine 175 Statins reduce the amount of cholesterol in the blood by inhibition of one of the enzymes (HMG CoA ...
176 Heterocycles in Medicine Metronidazole is used for both bacterial (commonly for dental infections) and some protozoan infect ...
Heterocycles in Medicine 177 Antiviral drugs Many antiviral agents are modifi ed (often quite simply) nucleosides or fairly clos ...
178 Heterocycles in Medicine Some cytotoxic agents are used as immunosuppressive drugs rather than for treating cancer, acting b ...
Heterocycles in Medicine 179 The process involves administering (systemically or topically) a photoactive substance, then irradi ...
Heterocyclic Chemistry at a Glance, Second Edition. John A. Joule and Keith Mills. © 2013 John Wiley & Sons, Ltd. Published ...
Applications and Occurrences of Heterocycles in Everyday Life 181 Modern synthetic dyes and pigments include the phthalocyanines ...
182 Applications and Occurrences of Heterocycles in Everyday Life Polybenzoxazoles (e.g. Zylon-PBO) form very strong lightweight ...
Applications and Occurrences of Heterocycles in Everyday Life 183 rings, for example diazinon. The organophosphates are close re ...
184 Applications and Occurrences of Heterocycles in Everyday Life Picloram is a selective systemic herbicide, which kills broad- ...
«
3
4
5
6
7
8
9
10
11
12
»
Free download pdf