Cite

    Zhushuang Bai et al.. “A vinylogous Michael reaction of 2-furanone dimers with α, β-unsaturated nitroolefins for constructing chiral γ, γ-disubstituted butenolides.” Organic chemistry frontiers, vol. 7, no. 19, 2020, pp. 2910–2915. http://access.bl.uk/ark:/81055/vdc_100110451707.0x000007