Yang, Mengchen; Chen, Chen; Yi, Xing; Li, Yuan; Wu, Xiaoqin; Li, Qingshan; Ban, Shurong published an article about the compound: 5-Methylfuran-2(3H)-one( cas:591-12-8,SMILESS:O=C1OC(C)=CC1 ).Name: 5-Methylfuran-2(3H)-one. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:591-12-8) through the article.
New chiral thiosquaramides and their applications in catalytic asym. double addition of 5-methyl-2(3H)-furanones to nitroolefins were described. Enantiomerically enriched 2,4,4-trisubstituted butenolides bearing a quaternary stereogenic center could be smoothly constructed with high diastereoselectivities (up to >99 : 1 dr) and excellent enantioselectivities (up to 95% ee) under mild conditions.
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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia