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, SubhasisТом:
14
Рік:
2012
Мова:
english
DOI:
10.1039/c1gc16129f
Файл:
PDF, 434 KB
english, 2012