𝔖 Bobbio Scriptorium
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Leucoanthocyanidin-(flav-3-ene-3-ol) acetates

✍ Scribed by Laumas, K. R. ;Seshadri, T. R.


Book ID
112981187
Publisher
Springer-Verlag
Year
1959
Tongue
English
Weight
362 KB
Volume
49
Category
Article
ISSN
0370-0089

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πŸ“œ SIMILAR VOLUMES


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Flavan-3,4-diols are subject to facile conversion into flav-3-en-3-ols which are versatile precursors in flavonoid synthesis. The flavan-3-ones undergo a unique Lewis acid assisted a-sulfenylation reaction with benzyl mercaptan in the presence of SnCl 4 .

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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