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DABCO-Promoted three-component regioselective synthesis of functionalized chromen-5-ones and pyrano[3,2-c]chromen-5-ones via direct annulation of α-oxoketene-N,S-arylaminoacetals under solvent-free conditions
Singh, Maya Shankar, Nandi, Ganesh Chandra, Samai, SubhasisVolume:
14
Year:
2012
Language:
english
DOI:
10.1039/c1gc16129f
File:
PDF, 434 KB
english, 2012