Trifluoromethanesulfonic anhydride CAS: 358-23-6
Lambar Catalog | XD93572 |
Sunan samfur | Trifluoromethanesulfonic anhydride |
CAS | 358-23-6 |
Tsarin kwayoyin halittala | Saukewa: C2F6O5S2 |
Nauyin Kwayoyin Halitta | 282.14 |
Bayanin Ajiya | yanayi |
Ƙayyadaddun samfur
Bayyanar | Farin foda |
Asay | 99% min |
Trifluoromethanesulfonic anhydride, wanda aka fi sani da triflic anhydride ko Tf2O, wani nau'in reagent ne da aka yi amfani da shi sosai a cikin haɗin gwiwar kwayoyin halitta, musamman a fagen sinadarai na roba.Yana da wani sosai reactive fili cewa hidima mahara dalilai saboda da karfi acidity da ikon sha daban-daban sinadaran halayen.One daga cikin primary amfani da triflic anhydride ne a matsayin dehydration wakili.Yana mayar da martani da ƙarfi tare da barasa, yana mai da su cikin ethers masu dacewa.Wannan halayen, wanda aka sani da haɗin gwiwar ether na Williamson, ana yawan amfani da shi a cikin saitunan dakin gwaje-gwaje da hanyoyin masana'antu don samar da hadaddun kwayoyin halitta.Triflic anhydride yana da amfani musamman don canza barasa mai hanawa, wanda ƙila ba zai iya amsawa da sauri tare da sauran reagents ba, cikin ethers da kyau. Bugu da ƙari, ana amfani da triflic anhydride a cikin kariya da hana ƙungiyoyi masu aiki a cikin haɗin gwiwar kwayoyin halitta.Ana iya amfani da shi don kare ƙungiyoyin aiki masu mahimmanci, irin su alcohols da amines, ta hanyar samar da tsayayyen triflate.Waɗannan ƙananan abubuwan za a iya kare su a ƙarƙashin yanayin da suka dace don sabunta ƙungiyoyin ayyukan da ake so.Wannan dabarar tana da mahimmanci musamman a cikin haɗakar matakai da yawa, inda kariya da kariya ga ƙungiyoyin aiki ya zama dole don cimma halayen da ake so a zaɓe.Babban acidity, wanda aka samo daga trifluoromethanesulfonic acid da yake haifarwa a gaban ruwa, yana sauƙaƙe halayen acid-catalyzed.Yana iya haɓaka sauye-sauye iri-iri kamar esterifications, acylations, da sake tsarawa, yana ba da damar haɗaɗɗun ƙwayoyin cuta.Yana iya amsawa tare da nucleophiles don gabatar da ƙungiyoyin triflyl (CF3SO2), waɗanda ke aiki iri-iri a cikin sinadarai na roba.Ƙungiyoyin Triflyl suna aiki a matsayin ƙungiyoyi masu kyau na barin, suna ba da damar halayen da suka biyo baya kamar su maye gurbin nucleophilic ko sake tsarawa.Duk da amfanin sa, triflic anhydride dole ne a kula da shi tare da taka tsantsan saboda yanayin da ya lalace sosai da kuma yiwuwar sake kunnawa.Dole ne a ɗauki matakan tsaro da suka dace, gami da yin amfani da suturar kariya da suka dace, safar hannu, da kayan ido, da kuma yin aiki a wurin da ke da isasshen iska.Bugu da ƙari, saboda yanayin lalatarsa, ana ba da shawarar yin amfani da triflic anhydride a ƙarƙashin yanayi mara kyau. ƙungiyoyi, mai kara kuzari, mai tallatawa, da kuma na'urar lantarki.Ƙaƙƙarfansa da sake kunnawa sun sa ya zama wani ɓangare na yawancin hanyoyin gwaje-gwaje da hanyoyin masana'antu, yana ba da damar ingantaccen haɗin haɗin mahaɗan kwayoyin halitta daban-daban.Koyaya, dole ne a yi taka tsantsan yayin da ake sarrafa triflic anhydride, bin ƙa'idodin aminci don tabbatar da jin daɗin likitan chem da hana haɗari a cikin dakin gwaje-gwaje.