Sodium Triacetoxyborohydride(link:https://www.bloomtechz.com/synthetic-chemical/organic-intermediates/sodium-triacetoxyborohydride-cas-56553-60-7.html) yog ib tug muaj zog txo tus neeg sawv cev, tseem hu ua STAB los yog STAB-Na, thiab nws cov tshuaj formula yog NaBH (OAc)3. ruaj khov rau ib qho twg, nws tuaj yeem khaws cia rau ob peb lub hlis mus rau ob peb xyoos ntawm chav tsev kub, thiab yuav tsis yooj yim decomposed. Txawm li cas los xij, qhov sib xyaw ua ke yog qhov yooj yim rau decomposition nyob rau hauv huab cua xws li kub lossis av noo, yog li nws yuav tsum tau khaws cia kom zoo kom nws zoo. Lub compound yog ruaj khov thiab yooj yim rau khaws cia. Cov khoom ntawm lub cev no ua rau nws yog ib qho tseem ceeb txo tus neeg sawv cev thiab ua lub luag haujlwm tseem ceeb hauv cov organic synthesis.
Hauv qab no yog cov lus qhia luv luv txog cov khoom tseem ceeb ntawm cov tshuaj lom neeg:
1. Kev txo qis:
Sodium Triacetylborohydride yog ib qho muaj zog txo tus neeg sawv cev uas tuaj yeem txo ntau cov organic tebchaw kom txo qis oxidation xeev. Rau cov tebchaw uas muaj cov pa oxygen ua haujlwm, xws li aldehydes, ketones, acids thiab esters, Sodium Triacetoxyborohydride feem ntau yuav raug xaiv txo qis rau cov cawv sib xws lossis hydroxyl compounds. Rau cov tebchaw uas muaj leej faj ua haujlwm pab pawg, xws li mercaptans thiab disulfides, tus neeg sawv cev txo qis kuj muaj zog txo cov khoom.
2. Reactivity:
Hauv ntau cov organic syntheses, Sodium Triacetoxyborohydride kuj tseem siv los ua cov khoom siv rau kev txo qis. Nyob rau hauv cov tshuaj tiv thaiv no, cov compound feem ntau yog ntxiv rau cov tshuaj tiv thaiv kom hnov mob nrog lwm yam tshuaj. Piv txwv li, nws tuaj yeem hnov mob nrog carboxylic acid anhydrides los tsim cov cawv sib xws, lossis hnov mob nrog cov ketones uas muaj ntxhiab los tsim cov ntxhiab tsw ntxhiab, thiab lwm yam. Tsis tas li ntawd, Sodium Triacetoxyborohydride kuj tseem siv tau los ua cov tshuaj tiv thaiv condensation, xws li condensation tshua ntawm carboxylic. acids thiab amines.
3. Kev ruaj ntseg:
Txawm hais tias Sodium Triacetoxyborohydride yog ib qho muaj zog txo tus neeg sawv cev, nws ruaj khov dua li lwm cov tshuaj txo qis xws li sodium borohydride. Thaum lub sij hawm cia thiab siv, lub compound tsis yooj yim cuam tshuam los ntawm tej yam kev mob xws li huab cua, noo noo thiab kub. Nyob rau tib lub sijhawm, nws yuav tsum tau muab sau tseg tias Sodium Triacetoxyborohydride yuav tsum tsis txhob muaj kev sib cuag nrog cov neeg ua haujlwm oxidizing, xws li hydrogen peroxide lossis potassium permanganate, txwv tsis pub muaj kev phom sij txaus ntshai yuav tshwm sim.
4. Reversibility:
Kev txo cov tshuaj tiv thaiv ntawm Sodium Triacetoxyborohydride yog thim rov qab, yog li qee cov tshuaj hloov pauv tuaj yeem xaiv tau los ntawm kev tswj cov tshuaj tiv thaiv. Piv txwv li, los ntawm kev tswj hwm txoj haujlwm ntawm cov khoom siv hluav taws xob cuam tshuam, pawg carbonyl hauv cov ketones aromatic tuaj yeem raug xaiv kom txo qis yam tsis muaj kev cuam tshuam cov tshuaj tiv thaiv ntawm lwm txoj haujlwm.
5. Specification:
Sodium Triacetylborohydride muaj qhov tshwj xeeb hauv kev txo cov tshuaj tiv thaiv. Piv txwv li, nyob rau hauv polyfunctional carboxylic acids los yog ketones, tsuas yog ib pab neeg ua hauj lwm yuav raug txo kom raug cov cawv los yog hydroxyl compound, thaum lwm pab pawg neeg ua hauj lwm tsis cuam tshuam. Qhov no ua rau Sodium Triacetoxyborohydride muaj kev xaiv ntau hauv cov organic synthesis thiab tuaj yeem txo cov tiam ntawm lwm cov kev tawm tsam.
Hauv kev xaus, Sodium Triacetoxyborohydride, ua ib qho tseem ceeb txo tus neeg sawv cev, muaj zog txo qis thiab ruaj khov. Nws muaj qhov tshwj xeeb thiab kev xaiv hauv cov tshuaj lom neeg, yog li nws tau siv dav hauv kev siv tshuaj synthesis, organic synthesis thiab cov khoom siv science. Cov kev siv tshwj xeeb yog raws li hauv qab no:
1. Txo cov tshuaj tiv thaiv:
Raws li tus neeg sawv cev muaj zog, Sodium Triacetylborohydride tuaj yeem siv dav hauv kev txo qis hauv cov organic synthesis. Nws tuaj yeem txo ntau cov organic tebchaw kom txo qis oxidation xeev. Rau cov tebchaw uas muaj cov pa oxygen ua haujlwm, xws li aldehydes, ketones, acids thiab esters, Sodium Triacetoxyborohydride feem ntau yuav raug xaiv txo qis rau cov cawv sib xws lossis hydroxyl compounds. Rau cov tebchaw uas muaj leej faj ua haujlwm pab pawg, xws li mercaptans thiab disulfides, tus neeg sawv cev txo qis kuj muaj zog txo cov khoom.
2. Cov tshuaj tiv thaiv condensation:
Ntxiv nrog rau kev ua lub luag haujlwm tseem ceeb hauv kev txo cov tshuaj tiv thaiv, Sodium Triacetoxyborohydride tuaj yeem ua lub luag haujlwm tseem ceeb hauv cov tshuaj tiv thaiv condensation. Nws tuaj yeem hnov mob nrog carboxylic acid anhydrides los tsim cov cawv sib xws, lossis hnov mob nrog cov ketones uas muaj ntxhiab los tsim cov cawv uas muaj ntxhiab, thiab lwm yam.
3. Synthesis ntawm Heterocyclic Compounds:
Sodium Triacetylborohydride kuj tseem ua lub luag haujlwm tseem ceeb hauv kev sib txuas ntawm heterocyclic compounds. Nws tuaj yeem txo ntau cov ntsiab lus ntawm nitrogen, xws li pyridine, carbazole, pyrimidine, pyran, thiophene thiab thiazole, thiab lwm yam, rau cov sib xyaw dihydro compounds. Tsis tas li ntawd, Sodium Triacetoxyborohydride tuaj yeem ua raws li cov khoom siv hauv cycloaddition cov tshuaj tiv thaiv, txhawb kev tsim ntawm ib txwm nyuaj ob-tus tswv cuab thiab peb-tus tswv cuab rings.
4. Catalyst:
Sodium Triacetylborohydride kuj tseem ua lub luag haujlwm tseem ceeb hauv ntau cov tshuaj tiv thaiv catalytic. Piv txwv li, nws yog dav siv nyob rau hauv N-alkylation cov tshuaj tiv thaiv, cycloaddition cov tshuaj tiv thaiv, arene hybridization cov tshuaj tiv thaiv, amidation cov tshuaj tiv thaiv, olefin polymerization cov tshuaj tiv thaiv, thiab lwm yam.
5. Tshuaj synthesis:
Sodium Triacetylborohydride kuj tau siv dav hauv tshuaj synthesis. Los ntawm kev xaiv txo lossis hloov cov pab pawg ua haujlwm tshwj xeeb hauv cov tshuaj molecules, cov tshuaj tshiab tuaj yeem ua ke, ua rau cov tshuaj molecules zoo dua. Piv txwv li, hauv kev npaj cov tshuaj tiv thaiv kab mob Ifosfamide, Sodium Triacetoxyborohydride tuaj yeem siv los tshem tawm cov pa roj carbonyl ntawm cov tshuaj tsw qab hydrocarbons.
6. Khoom siv Science:
Sodium Triacetylborohydride kuj tau siv dav hauv cov ntaub ntawv tshawb fawb. Nws tuaj yeem siv los ua ke nanoparticles, nanowires thiab nanotubes nrog qee yam duab thiab loj. Tsis tas li ntawd, nws tseem tuaj yeem siv los ua tus neeg sawv cev txo qis rau electroless plating, kev npaj ntawm nanomaterials ntawm cov hlau thiab lawv cov oxides, thiab lwm yam.
7. Kev lag luam semiconductor:
Sodium Triacetylborohydride kuj tau siv dav hauv kev lag luam semiconductor. Nws tuaj yeem siv los npaj cov ntaub ntawv zoo p-hom. Thaum lub sij hawm npaj cov ntaub ntawv semiconductor, Sodium Triacetoxyborohydride feem ntau yog ntxiv rau cov tshuaj tiv thaiv synthesis los tswj cov concentration ntawm impurities xws li hlau thiab cobalt hauv cov ntaub ntawv uas twb muaj lawm thiab tiv thaiv kev tsiv teb tsaws ntawm impurity ntsiab.
Hauv kev xaus, Sodium Triacetoxyborohydride yog ib qho tseem ceeb ntawm cov organic synthesis reagent nrog muaj zog reducibility thiab stability. Nws muaj qhov tshwj xeeb thiab kev xaiv hauv cov tshuaj lom neeg, yog li nws tau siv dav hauv kev siv tshuaj synthesis, organic synthesis thiab cov khoom siv science.