Synthesis of 5-(2-thienyl)-4,5-dihydrofurans and 7(2-thienyl)-2,8-dioxabicyc10[3.3.0]oct 3-enes using manganese(III)-based cyc1ization - Huỳnh, Thanh Trúc (Trường Đại học Đà Lạt, 2014)