Reference of 348-40-3. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 348-40-3, Name is 6-Fluorobenzo[d]thiazol-2-amine
In this communication, we report a substrate-controlled product diversity in the 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD)-catalyzed cascade cyclization of 2-alkynyl-3,3-difluoro-3H-indoles with N,N- or N,S-bis-nucleophiles. The products represent two important heterocyclic compounds, C2-spiro indoline, and pyrimido[1,2-a]benzimidazole, featuring a versatile gem-difluoromethylene group on the framework. In these cascade processes, two new C?N bonds, or one C?S and one C?N bond, are consecutively formed in a single step. The present protocol is characterized with high regioselectivity, high yield, broad substrate scope, good functional group tolerance, facile scalability and mild reaction conditions. (Figure presented.).
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Reference：
Thiazole | C3H10473NS – PubChem,
Thiazole | chemical compound | Britannica