作者:M.P.S. Ishar、R.P. Gandhi
DOI:10.1016/s0040-4020(01)96131-9
日期:——
Photochemical addition of benzophenone to ethyl-penta-2, 3-dienoate (), ethyl hexa-2,3-dienoate () and ethyl 4-methylhexa-2,3-dienoate () furnish various mono- and dioxetanes. Novel oxetanes () result in the reactions of () through addition of benzophenone to electron deficient C2-C3 π-bond of the respective esters. A rationalization of the obtained modes of photoaddition has been offered.
将二苯甲酮光化学加成到戊二酸二乙酯,3-二烯二酸酯(),己二酸2-3,3-二烯酸乙酯()和4-甲基己二烯丙基-2,3-二烯酸乙酯()中,提供了各种单氧杂环丁烷和二氧杂环丁烷。新颖的氧杂环丁烷()导致的(反应)通过添加二苯甲酮,以缺电子的C 2 -C 3的各自的酯的π键。已经提供了获得的光加成模式的合理化。