Scandium trifluoromethanesulfonate, feem ntau hu ua Scandium (III) triflate, yog cov tshuaj sib xyaw nrog cov mis Sc (SO3CF3) 3, ntsev uas muaj scandium cations Sc3 + thiab triflate SO3CF3? anions.
Scandium (III) triflate yog ib qho nquag nquag, ua haujlwm zoo, rov qab tau thiab rov siv tau acylation catalyst. Nws yog ib qho tseem ceeb catalyst rau Friedel-Crafts acylation, Diels-Alder cov tshuaj tiv thaiv thiab lwm yam carbon-carbon bond-forming tshwm sim. Nws kuj stereochemically catalyzes radical polymerization ntawm acrylates. Scandium (III) triflate complex ntawm (4′S,5′S)-2,6-bis[4′-(triisopropylsilyl)oxymethyl-5′-phenyl-1′,3′-oxazolin-2′-yl]pyridine tau ua hauj lwm raws li catalyst rau asymmetric Friedel-Crafts cov tshuaj tiv thaiv ntawm hloov indoles thiab methyl (E)-2-oxo-4-aryl-3-butenoates.
| Cov khoom | Specification | Cov qhabnias xeem |
| Qhov tshwm sim | Dawb los yog Off-dawb khoom | Ua raws |
| Purity | 98% min | 99.3% |
| Xaus: Tsim nyog. | ||
Scandium (III) trifluoromethanesulfonate yog dav siv los ua catalyst hauv hydrothiolation, xaiv ob-electron txo cov pa oxygen los ntawm ferrocene derivatives thiab vinylogous Fridel-crafts alkylation ntawm indoles thiab pyrrole hauv dej. Nws koom nrog hauv Mukaiyama aldol ntxiv thiab stereochemically catalyzes radical polymerization ntawm acrylates. Nws ua raws li Lewis acid catalyst thiab siv nyob rau hauv lub synthesis ntawm bullvalone ntawm ib tug stabilized sulfur ylide.
Kev pabcuam peb tuaj yeem muab tau
1) Daim ntawv cog lus raug cai tuaj yeem kos npe
2) Daim ntawv cog lus tsis pub lwm tus paub tuaj yeem kos npe
3) Xya hnub rov qab lav
Tseem ceeb tshaj: peb tuaj yeem muab tsis tau tsuas yog cov khoom lag luam, tab sis kev pabcuam kev daws teeb meem!
Peb yog cov chaw tsim khoom, peb lub Hoobkas nyob hauv Shandong, tab sis peb kuj tuaj yeem muab kev pabcuam nres ib qho rau koj!
T / T (tex hloov pauv), Western Union, MoneyGram, BTC (bitcoin), thiab lwm yam.
≤25kg: hauv peb hnub ua haujlwm tom qab tau txais cov nyiaj them poob haujlwm. 25kg: ib as
Muaj, peb tuaj yeem muab cov qauv dawb me me rau kev soj ntsuam zoo!
1kg ib lub hnab fpr kuaj, 25kg lossis 50kg ib nruas, lossis raws li koj xav tau.
Khaws lub thawv kaw kom nruj rau hauv qhov chaw qhuav, txias thiab zoo-ventilated.
