An article Atom Transfer Oxidative Radical Cascade of Aryl Alkynoates towards 1,1-Dichalcogenide Olefins WOS:000477143100001 published article about METAL-FREE; STEREOSELECTIVE-SYNTHESIS; ALKENE DERIVATIVES; ACTIVATED ALKYNES; CYCLIZATION; MIGRATION; ACIDS; DIFUNCTIONALIZATION; COUMARINS; BOND in [Sahoo, Harekrishna; Ramakrishna, Isai; Mandal, Anup; Baidya, Mahiuddin] Indian Inst Technol Madras, Dept Chem, Chennai 600036, Tamil Nadu, India in 2019, Cited 70. Recommanded Product: 4′-Hydroxyacetophenone. The Name is 4′-Hydroxyacetophenone. Through research, I have a further understanding and discovery of 99-93-4
An oxidative trifunctionalization of aryl alkynoates has been devised via the chalcogenide radical triggered intramolecular 1,4-aryl migration/decarboxylation cascade to prepare 1,1-dichalcogenide tetrasubstituted alkenes in high yields (up to 98 %). This operationally simple reaction proceeds under metal-free conditions, can be executed on gram scale, and highlights formal 1,1-difunctionalization of alkynes. Synthetic potential of this protocol was demonstrated through a twofold cascade rearrangement to access highly conjugated tetra-selenylated alkenes along with a cross-dehydrogenative annulation to prepare fluorene derivative.
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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