Microwave-accelerated Synthesis of Some (±)-1-Aryl-5-chloroisochromans
✍ Scribed by Aamer SAEED; Amara MUMTAZ
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 45 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0256-7660
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## 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 Benzyl 3,5‐dimethyl‐pyrrole‐2‐carboxylate, a very useful pyrrole in porphyrin and dipyrromethene synthesis, can be synthesized __via__ the Knorr‐type reaction, but in low yield. Alternative routes to benzyl 3,5‐dimethyl‐pyrrole‐2‐carboxylate have been developed involvin
## Abstract A series of 3‐alkyl(aryl)‐4‐(__p__‐hydroxy‐phenyl)‐4,5‐dihydro‐1__H__‐1,2,4‐triazol‐5‐ones **2** were obtained from the reaction of alkyl (aryl) ester ethoxycarbonyl hydrazones **1** with __p__‐hydroxy aniline. The reaction of **1** with 1,4‐diamino benzene (1:1) to afford 3‐alkyl(aryl)