Quasi aromatic compounds yog cov nyob rau hauv uas cov nqi tam sim no ntawm cov molecule yog ib feem ntawm aromaticity ntawm cov compound thiab khib khub ntawm electrons yuav tsum nyob rau hauv resonance.
Yuav ua li cas cov nram qab no quasi aromatic?
Feem ntau, peb tuaj yeem piav qhia txog quasi aromatic compound ua ib qho sib xyaw, uas yog ionic nyob rau hauv xwm nrog lub txee ion, thiab π electrons hauv cov tebchaw ua raws Huckel txoj cai (4 n+2). Txawm li cas los xij, nws muaj lub ntsiab lus tob thiab dav dua.
Puas yog quasi aromatic ruaj khov dua aromatic?
Aromatic compounds uas +ve lossis -ve them yog ib feem ntawm Huckle txoj cai lossis aromaticity, piv txwv li, tus nqi tam sim no nyob rau hauv lub nplhaib, hu ua quasi aromatic compounds lossis feem ntau nyiam quasi aromatic ions. 2. … Quasiaromatic compound yog ruaj khov heev.
Yuav ua li cas cov tshuaj hauv qab no tsis yog quasi aromatic?
Vim li no, cycloheptatrienyl anion tsis yog cov tshuaj tsw qab. Yog li, qhov kev xaiv raug yog xaiv A). Cov ntaub ntawv ntxiv: Cov tebchaw / ions hauv kev xaiv B) thiab D) muaj 6 pi electrons. Lawv yog cyclic, planar thiab conjugated systems ntawm pi electrons.
Quasi aromatic compounds yog dab tsi?
Quasi aromatic compounds yog cov uas cov nqi tam sim no ntawm cov molecule yog ib feem ntawm aromaticity ntawm cov compound thiab khib khub ntawm electrons yuav tsum nyob rau hauvresonance.
