Tosyl chloride (TsCl) feem ntau yog siv los ua ib pab pawg ua haujlwm rau thawj cov cawvVim nws qhov ntim loj thiab qis dua ntawm cov cawv theem nrab thiab theem nrab, nws feem ntau tsis ' t tuaj rau hauv lawv, xaiv rau thawj cov cawv hauv feem ntau.
P toluenesulfonyl chloride ua dab tsi?
p-Toluenesulfonyl chloride yog reagent siv los hloov cawv rau hauv alkyl tosylates.
Yuav ua li cas thaum cawv ua rau TsCl?
TsCl thiab MsCl: Ob Reagents Uas Hloov Hydroxyl Pawg (OH) rau hauv Pab Pawg Zoo. … Kev kho cov cawv nrog TsCl lossis MsCl, feem ntau yog nyob rau hauv lub hauv paus tsis muaj zog xws li pyridine, ua rau sulfonate esters (Lub hom phiaj ntawm pyridine yog txhawm rau tshem tawm cov HCl uas tau tsim thaum lub sijhawm cov tshuaj tiv thaiv.)
Puas yog tosyl chloride yog ib qho zoo nucleophile?
Tosylates yog cov substrates zoo rau kev hloov pauv , reacting nrog nucleophiles ntau tib yam li alkyl halides. … Lub -OH reacts ua ntej raws li ib tug nucleophile, tawm tsam lub electrophilic chaw ntawm tosylate, displacing ib chloride ion, Cl-.
Yuav ua li cas Protonate cawv?
Lub cev qhuav dej feem ntau yog ua los ntawm kev ua kom sov cov cawv nyob rau hauv lub cev muaj zog lub cev qhuav dej, xws li concentrated sulfuric acid. Feem ntau cov dej cawv dehydration tshwm sim los ntawm cov txheej txheem hauv qab no. Protonation ntawm pawg hydroxyl tso cai rau nws tawm mus ua dej molecule.
