acyl

(redirected from Acylium)
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  • noun

Synonyms for acyl

any group or radical of the form RCO- where R is an organic group

References in periodicals archive ?
Further opening of the [gamma]-lactone leads to the formation of the intermediate acylium ion D1, which decomposes into F2 (m/z 217).
The compound 14 which has a nitro group at para position of benzene ring in acylium part instead of ortho hydroxyl group as in compound 16, has an IC50 value 276.23 +- 2.3 uM, whereas compound 10 have a bromo substituent at the same position showed an IC50 = 406.62 +- 5.2 uM.
Compounds 2 and 7 are structurally similar except their acylium part and the obvious activity difference may be due to an additional acetal formation by hydroxyl group present on benzene ring in acylium part of molecule 2, whereas its lacks in compound 7.
Contrary the compounds 3, 20, 23 and 25 have same acylium group but having p-chloro, o-hydroxy, o-bromo in 3,23 and 25, respectively, and compound 20 have anaphthyl group, caused the complete loss of activity.
Compounds 1, 5, 13, 15, 22, and 23 containing ortho hydroxyl groups in benzilidium part of the molecules but having different acylium part were found to be completely inactive due to steric hindrance.