Synthesis of 5,5-(Phenylmethylene)bis(2,2-butylidene-1,3-dioxane-4,6-dione) Derivatives without Catalyst in Water
Zhang Wenfeng, Xu Zhaohui, Tu Yuanhong, Liao Chuanwen
Chin. J. Org. Chem. . 2017, (9): 2449 -2453 .  DOI: 10.6023/cjoc201701046