Rai VK, Singh N. CeCl₃.7H2O/NaI-promoted direct synthesis of 1,3-benzoxazine-2-thione n-nucleosides under microwave irradiation.
NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2015;
32:247-55. [PMID:
23581717 DOI:
10.1080/15257770.2013.783702]
[Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
A microwave-assisted efficient and direct synthetic route to 1,3-benzoxazine-2-thione N-nucleos ides via CeCl₃.7H2O/NaI catalyzed cycloisomerization of salicylaldehyde 4-(β-D-ribofuranosyl) thiosemicarbazones followed by reductive dehydrazination is reported.
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