Jones, Gurnos published the artcileReactions between 4-pyrimidones and sulfur ylides: cyclopropanation and ring opening reactions, HPLC of Formula: 5034-06-0, the publication is Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) (1983), 2645-8, database is CAplus.
Reaction of pyrimidones I (R = H, R1 = Me, CH2Ph) with C–H2S+(O)Me2 (II) gave the corresponding (Z)-R1NHCOCH:CHNHCHO and cyclopropapyrimidones III in 32, 24, 8, and 27% yield, resp. Analogous reaction of I (R = SMe, R1 = Me) (IV) with II in DMSO gave 7.5% III (R = SMe, R1 = Me) and iodide V. Under certain conditions 41% methylide VI was obtained from IV and II.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) published new progress about 5034-06-0. 5034-06-0 belongs to chlorides-buliding-blocks, auxiliary class Salt,Aliphatic hydrocarbon chain, name is trimethyloxosulphonium chloride, and the molecular formula is C3H9ClOS, HPLC of Formula: 5034-06-0.
Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics