## Abstract magnified image In this article, efficient and simple preparation of Hantzsch pyridine derivatives by reaction of various aldehydes and Ξ²βdicarbonyls in the presence of ammonium chlorate under solventβfree condition at 80Β°C is reported. The advantages of this system are the oneβstep pr
Free components of lichens on roof tiles under natural conditions-- A SEM study
β Scribed by Jacob Garty; Jacob Delarea
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 333 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0304-3991
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
## Abstract magnified image Fourβcomponent cyclocondensation of aromatic aldehydes, malononitrile, dimedone and ammonium acetate proceeds under microwave irradiation in solvent free conditions to give highly functionalized hexahydroquinolines in excellent yields.