A new 2-phenyl-4H-1-benzopyran (flav-2-ene) synthesis
โ Scribed by Casiraghi, G.; Casnati, G.; Salerno, G.
- Book ID
- 120300199
- Publisher
- The Royal Society of Chemistry
- Year
- 1971
- Tongue
- English
- Weight
- 369 KB
- Category
- Article
- ISSN
- 0022-4952
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๐ SIMILAR VOLUMES
Single-crystal X-ray study T = 298 K Mean (C-C) = 0.005 A R factor = 0.045 wR factor = 0.124 Data-to-parameter ratio = 12.5 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
N-iodosuccinimide (NIS) induces cyclization of substituted 2-allylphenols to 3-iodochromanes which may be dehydrohalogenated to the corresponding chrom-3-enes. Almost every class of natural phenolic compounds contains examples of sub-1 stances with 2,2'-dialkylchromene rings . Recently Pratt and Bow