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http://dbpedia.org/ontology/abstract Il sodio triacetossiboroidruro, noto ancheIl sodio triacetossiboroidruro, noto anche come sodio triacetossiborato, abbreviato in "STAB", è un composto di formula Na(CH3COO)3BH. Come gli altri boroidruri, viene usato come agente riducente in sintesi organica. Viene preparato per protonolisi del sodio boroidruro con acido acetico: A causa degli effetti sterici ed elettronici dei gruppi acetossi, il triacetossiboroidruro di sodio è un agente riducente più debole del boroidruro di sodio o addirittura del sodio cianoboroidruro. Inoltre evita i prodotti secondari tossici generati dal sodio cianoboroidruro. Il sodio triacetossiboroidruro è particolarmente adatto per amminazioni riduttive di aldeidi e chetoni. Tuttavia, a differenza del sodiocianoboroidruro, il triacetossiboroiduro è sensibile all'acqua, che quindi non può essere utilizzata come solvente con questo reagente, né è compatibile con metanolo. Esso reagisce solo lentamente con etanolo e isopropanolo e può essere invece utilizzato con questi ultimi. Reductive amination with STAB Il NaBH(OAc)3 può anche essere usato per alchilazioni riduttive di ammine secondarie con addotti di aldeidi e con bisolfiti.ie con addotti di aldeidi e con bisolfiti. , Natriumtriacetoxyborhydrid ist eine chemische Verbindung mit der Formel Na(CH3COO)3BH. Dabei bilden Acetatgruppen mit der B–H-Gruppe zusammen das Anion. Wie andere Borhydride auch wird es als Reduktionsmittel in der organischen Chemie verwendet. , Sodium triacetoxyborohydride, also known aSodium triacetoxyborohydride, also known as sodium triacetoxyhydroborate, commonly abbreviated STAB, is a chemical compound with the formula Na(CH3COO)3BH. Like other borohydrides, it is used as a reducing agent in organic synthesis. This colourless salt is prepared by protonolysis of sodium borohydride with acetic acid: NaBH4 + 3 HO2CCH3 → NaBH(O2CCH3)3 + 3 H2: NaBH4 + 3 HO2CCH3 → NaBH(O2CCH3)3 + 3 H2
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rdfs:comment Sodium triacetoxyborohydride, also known aSodium triacetoxyborohydride, also known as sodium triacetoxyhydroborate, commonly abbreviated STAB, is a chemical compound with the formula Na(CH3COO)3BH. Like other borohydrides, it is used as a reducing agent in organic synthesis. This colourless salt is prepared by protonolysis of sodium borohydride with acetic acid: NaBH4 + 3 HO2CCH3 → NaBH(O2CCH3)3 + 3 H2: NaBH4 + 3 HO2CCH3 → NaBH(O2CCH3)3 + 3 H2 , Natriumtriacetoxyborhydrid ist eine chemische Verbindung mit der Formel Na(CH3COO)3BH. Dabei bilden Acetatgruppen mit der B–H-Gruppe zusammen das Anion. Wie andere Borhydride auch wird es als Reduktionsmittel in der organischen Chemie verwendet. , Il sodio triacetossiboroidruro, noto ancheIl sodio triacetossiboroidruro, noto anche come sodio triacetossiborato, abbreviato in "STAB", è un composto di formula Na(CH3COO)3BH. Come gli altri boroidruri, viene usato come agente riducente in sintesi organica. Viene preparato per protonolisi del sodio boroidruro con acido acetico: Tuttavia, a differenza del sodiocianoboroidruro, il triacetossiboroiduro è sensibile all'acqua, che quindi non può essere utilizzata come solvente con questo reagente, né è compatibile con metanolo. Esso reagisce solo lentamente con etanolo e isopropanolo e può essere invece utilizzato con questi ultimi.ssere invece utilizzato con questi ultimi.
rdfs:label Natriumtriacetoxyborhydrid , Sodium triacetoxyborohydride , Sodio triacetossiboroidruro
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