Thiophene yog suav tias yog aromatic, txawm hais tias kev xam pom tau hais tias qhov degree ntawm aromaticity tsawg dua li ntawm benzene. Cov "electron pairs" ntawm leej faj yog delocalized nyob rau hauv lub pi electron system.
Vim li cas thiophene yog ib qho tshuaj tsw qab?
Thiophene yog aromatic vim nws muaj rau π electrons nyob rau hauv ib tug planar, cyclic, conjugated system.
YPuas yog thiophene Benzenoid aromatic?
6 carbon atoms tsim ib lub nplhaib uas hloov pauv ib thiab ob daim ntawv cog lus tam sim no. Cov qauv ntawm benzene yog raws li qhia hauv qab no: Ib qho benzenoid aromatic compound muaj benzene rings hauv nws cov qauv. … Piv txwv ntawm cov tshuaj tsw qab benzenoid muaj xws li furan, thiophene, pyridine, thiab lwm yam.
Vim li cas thiophene thiaj li tsw tshaj furan?
Peb pom tias thiophene muaj ntau lub zog resonance yog li cov tshuaj no muaj ntxhiab ntau dua. Thiab lwm yam sib xyaw xws li (pyrrole, furan), lawv muaj zog resonance tsawg. yog li lawv tsis muaj ntxhiab tsw. Raws li sulfur tsis tshua muaj electronegative piv rau oxygen thiab nitrogen, nws muaj ntau dua electron nyiam.
Dab tsi yog cov tshuaj tsw qab nrog cov piv txwv?
Cov tshuaj tsw qab yog cov tshuaj sib xyaw uas muaj cov txheej txheem sib xyaw ua ke nrog cov huab cua delocalized pi-electron nyob rau hauv qhov chaw ntawm ib tus neeg sib hloov ob thiab ib daim ntawv cog lus. Lawv kuj hu ua aromatics los yog arenes. Cov piv txwv zoo tshaj yog toluene thiabbenzene.
