(1)
Li, X.-K.; Xiong, F.; Shen, Z.-Y.; Zhang, S.-P.; Zhou, Y.-H.; Xu, M.-L.; Zhou, Z.-Q. Unexpected Facile Synthesis of Tetronic Acid During the Research on Stereospecific Total Synthesis of (+)-Biotin Starting from D-Erythorbic Acid As Chiral Pool. ajc 2015, 27, 1957-1958.