In an article, author is Zhao, Lang, once mentioned the application of 54-21-7, Product Details of 54-21-7, Name is Sodium salicylate, molecular formula is C7H5NaO3, molecular weight is 160.1, MDL number is MFCD00002440, category is indole-building-block. Now introduce a scientific discovery about this category.
A Bronsted acid-promoted cyclodimerization of C(3)-, C(2)-, or N(1)-substituted indole ketone derivatives is described. A wide range of structurally diverse bisindole fused-9-oxabicyclo[3.3.1]nonane and bisindole fused-cyclooctatetraene (COT) derivatives can be prepared in good to high yields with high efficiency.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles