supported by the National Key Research and Development Program of China(2022YFA1506100);Shenzhen Science and Technology Program(JCYJ20220818100604009);Guangdong Basic and Applied Basic Research Foundation(2021A1515010105,2023A1515010601)。
Methylenecyclopropanes are among the most robust building blocks in synthetic chemistry,but the study on(difluoromethylene)-cyclopropanes is rather limited,because of the difficulty in the synthesis of these compounds...