Cov lus qhia
| Zog: | Dawb rau cov khoom daj |
| Purity (H-NMR): | 99% min |
Cov Ntawv Thov
1. N-Heterocyclic Carbene (NHC) precursor
Qhov no tau pom zoo tau pom dav ua ntej ua ntej rau N-Heterocyclic Carbenes (NHCS), uas yog ruaj khov, muaj kev pub dawb nyob rau hauv:
Homogeneous catalysis (piv txwv li, kev hloov pauv hlau ua ke)
Organometallic Chemistry
Hla kev sib txuas (xws li Suzuki, Heck, thiab Inses Resistions)
Thaum deprotonated, nws tsim cov carbene dawb uas nrog cov hlau zoo li PD, RU, RH, RH, RHU, txhim kho catalytic kev ua haujlwm.
2. Catalyst Kev Loj Hlob
Ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov nquag thiab ruaj khov hlau catalysts rau kev siv thiab kev kawm.
Qhov tshwj xeeb tshaj yog pab tau nyob rau hauv ntsuab chemistry, muab cov phiaj xwm catalytic nrog cov lej siab (tons) thiab tig xub ntiag (trofs).
3. Txawb tawm cov kev cuam tshuam nrog intermediates
Raws li cov ntsev tsis zoo, nws muab kev nplua nuj ntau, ua rau nws tsim nyog rau stabilizing tsawg-valent tsawg-vallediates hauv cov kab hluavtaw loj.
4. Ionic ua kua tshawb
Tuaj yeem tso rau hauv ionic kua tsim thaum ua ke nrog lwm cov kev sib tw. Nws cov qauv buly muaj cov txiaj ntsig muaj peev xwm hauv thermal thiab electrochemical stability.
5. Ligand Scaffold Hauv Cov Tshuaj Inorganic Chemistry
NHC-hlau cov khoom siv tau los ntawm no imidazolium ntsev tau raug tshawb nrhiav rau cov tshuaj tua kab mob, thiab cov tshuaj tua kab mob ua haujlwm vim lawv cov kev sib koom tes ua haujlwm thiab Lipand Ib puag ncig.
Cov txiaj ntsig
✅ hloov chaw tsim nyog ruaj khov
Lub 2,6-diisopropylffphenyl chaw muab cov ntawv sib tiv thaiv kev tiv thaiv tus txheej txheem Seev Cev, txhim kho qhov ruaj khov ntawm ob qho ua ntej thiab NHC nws cov ntaub ntawv.
Greed σ-Donating Peev Xwm
Thaum tsis muaj, nws yauv ntawm NHC lingand uas tau muab cov hluav taws xob hluav taws xob rau cov chaw ua haujlwm hlau, txhim kho catalaltic efficiency thiab ligand-sib koom ua lub zog.
Versatile versatile nyob hauv catalyst tsim
Tau tshaj ntau yam ntawm kev hloov pauv ntawm cov hlau, ua rau nws yooj yim heev rau kev tsim cov tshuaj catalysts thoob plaws ntau yam kev hloov pauv.
Facilitates Cov Khoom Green Premistry
NHC-raws li catalysts feem ntau tso cai rau cov tshuaj tiv thaiv me, cov hlau hluavtaws qis dua, thiab rov siv tau nrog cov ntsiab cai ntawm cov synthesis.
Tag
1,3-bis (2,6-diisoproxenyl) -4,5-iMidazol-3-i__278-25-0) ua haujlwm ua ke hauv cov pob zeb niaj hnub. Nws bulky thiab electron-nplua nuj imidazolium qauv ua rau nws lub zoo tagnrho ua ntej n-heterocyclic carbenes, uas tau siv dav ua ligands nyob rau hauv kev hloov tsheb hlau catalysis. Los ntawm kev nplua tshuaj tshuaj synthesis rau kev lag luam-ntsuas kev tawm tsam, cov kab no txhawb nqa tau zoo, thiab cov txheej txheem kev ua kom ruaj khov. Nws tau txuas ntxiv hloov dua nyob rau Chematistry nws cov versatility nws cov versatility nws cov lus qhia hauv kev tsav tsheb tshiab hauv kev kawm txog kev kawm thiab kev lag luam.
Cim npe nrov: 1,3-bis (2,6-diisoprodphenyl) -4,5-iMidazol-3-ium chlorogylphyllphenyl) -4,H-iMidazol-3-ium chloride 丨 cas 258278-25-0 Cov Chaw Tsim Khoom, Chaw muag khoom, Hoobkas
