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Synthesis and Spectral Characterization of Some New 4-(2,6-Diarylpyridin-4-yl)- 2H -chromen-2-ones

โœ Scribed by Patel, Anil K.; Patel, Niraj H.; Patel, Mehul A.; Patel, Chirag V.; Brahmbhatt, Dinker I.


Book ID
127384830
Publisher
Taylor and Francis Group
Year
2014
Tongue
English
Weight
278 KB
Volume
44
Category
Article
ISSN
0039-7911

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โœ V. Rajeswar Rao; V. Ravinder Reddy ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 229 KB

## Abstract magnified image Anhydrous zinc bromide catalysed reactions of arylidineโ€3โ€acetyl coumarins (**1aโ€c**) and 5,6โ€benzoanalogs of arylidine 3โ€acetyl coumarins (**4a,4b**) with 1,3โ€cyclohexanedione gives โ€(4โ€arylโ€5โ€oxoโ€5,6,7,8โ€tetrahydroโ€4__H__โ€chromenโ€2yl)โ€2__H__โ€chromenโ€2โ€ones (**3a, 3c**