Abdolmajid Riahi, Mohanad Shkoor, Olumide Fatunsin, Rasheed Ahmad Khera, Christine Fischer and Peter Langer, Regioselective synthesis of 4-acyl-1-hydroxy-2,3-benzodioates by chelation-controlled [3+3] annulation of 3-acyl-4-ethoxy-2-oxo-3-enoates with 1,3-bis(trimethylsilyloxy)-1,3-butadienes, 2009, 7, 4248-4251
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http://dx.doi.org/10.1039/B905556H
