paracetamol ni o ni a benzene oruka core, substituted nipa ọkan hydroxyl ẹgbẹ ati awọn nitrogen atomu ti ohun amide ẹgbẹ ni awọn para (1,4) awoṣe. awọn amide ẹgbẹ ni acetamide (ethanamide). o jẹ ohun extensively conjugated eto, bi ọkan nikan tọkọtaya lori awọn hydroxyl oxygen, awọn benzene pi awọsanma, awọn nitrogen nikan tọkọtaya, awọn p orbital lori awọn carbonyl erogba, ati ọkan nikan tọkọtaya lori awọn carbonyl erogba gbogbo wa conjugated. awọn niwaju ti meji activating ẹgbẹ tun ṣe awọn benzene oruka gidigidi reactive si electrophilic aromatic substitution. bi awọn substituents wa ni ortho, para-directing ati para pẹlu ọwọ si kọọkan miiran, gbogbo awọn ipo lori awọn oruka wa ni diẹ tabi kere equally substituted. awọn conjugation tun gidigidi dinku awọn oxygens ti awọn ipilẹ ati awọn nitrogen ti o ni ipilẹ, lakoko ti ṣiṣe awọn benzene acid delocation nipasẹ awọn hydroxyl anion? ibeere ti wa ni idagbasoke pupọ lori awọn oruka phenoxide.
wíwà àwùjọ méjì tó ń mú nǹkan ṣiṣẹ́