1232133-29-7Relevant academic research and scientific papers
AgNO3Catalyzed Regio-Selective Synthesis of 3-Alkyl/Aryl-idene-3,4-dihydro-4-tosyl-2H-1,4-Benzoxazine: Novel Anti-Tubercular Scaffolds
Karunanidhi, Sivanandhan,Karpoormath, Rajshekhar,Bera, Milan,Rane, Rajesh A.,Palkar, Mahesh B.
, p. 1611 - 1616 (2016/09/23)
A facile and efficient method for the construction of 3-alkyl/aryl substituted 1,4-benzoxazine and benzoxazepine via AgNO3catalyzed cyclization of propargyloxy sulfonamides and their anti-tubercular activity against Mycobacterium tuberculosis H37RVis described. This cyclization proceeds through 6-exo-dig manner to generate the products in moderate to good yields.
A palladium-catalyzed facile and general method for the stereoselective synthesis of (E)-3-arylidene-3,4-dihydro-2H-1,4-benzoxazines and their naphthoxazine analogues
Brahma, Kaushik,Das, Bimolendu,Chowdhury, Chinmay
, p. 5863 - 5871 (2015/03/30)
Palladium-catalyzed cyclocondensation of an aryl iodide with N-tosyl-2-(prop-2′-ynyloxy)aniline at room temperature is shown to constitute a convenient general method for the synthesis of (E)-3-arylidene-3,4-dihydro-2H-1,4-benzoxazines in moderate to very good yields. The method could also be extended to the synthesis of (E)-3-arylidene-2H-naphth[1,2-b][1,4]oxazines. The regio- and stereo-selectivity of the process, short reaction time, operational simplicity, and use of inexpensive starting materials represent its attractive features.
