Efficient Synthesis of 2-Amino-4-aryl-7,7-dimethyl-5-oxo-4 H-5,6,7,8-tetrahydrobenzo[ b]pyran-3-carboxylate in Aqueous Media
SHI Da-Qing*, ZHANG Shu, ZHUANG Qi-Ya
Chin. J. Org. Chem. . 2005, (12): 1570 -1574 .