Xiang-Jia Song

Buy Article Permissions and Reprints All articles of this category A novel [3+2] annulation of 1,4-dithiane-2,5-diol and benzothiazolimines has been developed for the efficient, one-step preparation of highly sterically demanding thiazolidines in excellent yields (up to 99%) and moderate diastereoselectivities (1:1 to 2.4:1) under mild conditions within a few minutes. A series of thiazolidines compounds were obtained and a scaled-up experiment was conducted with excellent results.

Organocatalytic and enantioselective [4+2] cyclization between hydroxymaleimides and ortho-hydroxyphenyl para-quinone methide-selective preparation of chiral hemiketals† Min Xiang,ab Chen-Yi Li,ab Xiang-Jia Song,ab Ying Zou,ab Zhi-Cheng Huang,ab Xia Li,ab Fang Tian*a and Li-Xin Wang *a A cinchona alkaloid squaramide promoted enantioselective [4+2] cyclization between hydroxymaleimides and ortho-hydroxyphenyl p-QMs has been disclosed, and a wide range of chiral hemiketals containing chromane...