作者:Shintaro Okumura、Teruki Takahashi、Kaoru Torii、Yasuhiro Uozumi
DOI:10.1002/chem.202300840
日期:2023.8.4
A first photocatalytic cross-pinacol coupling was achieved. The reaction proceeded with a various combination of two aldehydes, two ketones, or an aldehyde and a ketone to afford the corresponding unsymmetric vicinal 1,2-diols in up to 91 % yield. In this process, an umpoled anionic carbinol synthon was generated in situ, by the assistance of CO2 additive, to react nucleophilically with a second electrophilic
首次实现了光催化交叉频哪醇偶联。该反应以两种醛、两种酮或醛和酮的各种组合进行,以高达 91% 的产率提供相应的不对称邻位 1,2-二醇。在此过程中,在 CO 2添加剂的帮助下,原位生成了反极性的阴离子甲醇合成子,与第二个亲电子羰基化合物发生亲核反应。二氧化碳促进的光催化交叉频哪醇偶联(S. Okumura、Y. Uozumi 等)等)