Phepelo ea feme theko e ntle ka ho fetisisa Sodium triacetoxyborohydride phofo CAS 56553-60-7

Tsela e sireletsehileng ea ho romella CAS 56553-60-7 phofo Sodium triacetoxyborohydride
Lebitso la sehlahisoa: Sodium triacetoxyborohydride
CAS: 56553-60-7
Foromo ea molek'hule: C6H10BNaO6
Ponahalo: phofo e tšoeu
Litaba: 95.0%~105.0%(titration)
Lisebelisoa: Bakeng sa karabelo ea phokotso ea amination ea ketone le aldehyde, reductive amination kapa lactamization ea carbonyl motsoako le amine, le reductive amination ea aryl aldehyde.
Bokhoni: 5 ~ 10mt/khoeli

Sodium triacetoxyborohydride (STAB) CAS 56553-60-7 eo hape e tsejoang e le sodium triacetoxyhydroborate, e atisang ho khutsufatsoa STAB, ke motsoako oa lik'hemik'hale o nang le mokhoa oa Na(CH3COO)3BH.Joalo ka li-borohydrides tse ling, e sebelisoa e le ntho e fokotsang ho organic synthesis.Letsoai lena le se nang 'mala le lokisoa ke protonolysis ea sodium borohydride e nang le acetic acid: NaBH4 + 3 HO2CCH3 → NaBH(O2CCH3)3 + 3 H2.

Ka lebaka la litlamorao tsa steric le elektroniki tsa lihlopha tsa acetoxy, sodium triacetoxyborohydride ke ntho e fokotsang ho feta sodium borohydride kapa sodium cyanoborohydride.Ho feta moo, NaBH(OAc)3 e qoba lihlahisoa tse chefo tse hlahisoang ke sodium cyanoborohydride.Sodium triacetoxyborohydride e loketse ka ho khetheha bakeng sa ho fokotsa li-aldehydes le li-ketone.

Leha ho le joalo, ho fapana le sodium cyanoborohydride, triacetoxyborohydride ha e na metsi, 'me metsi a ke ke a sebelisoa e le solvent le reagent ena, ebile ha e lumellane le methanol.E sebetsa butle feela ka ethanol le isopropanol mme e ka sebelisoa le tsena.NaBH(OAc) 3 e ka boela ea sebelisoa bakeng sa ho fokotsa alkylation ea li-amine tsa bobeli tse nang le li-adducts tsa aldehyde-bisulfite.