Other name: Diisobutylaluminium hydride
CAS NO.: 1191-15-7
Molecular Formula: C8H19Al
Molecular Weight: 142.218
Melting point: -70 °C
Boiling point: 65 °C
Density: 1.23 g/mL at 25 °C
Description About Diisobutylaluminum Hydride(DIBAL-H) CAS 1191-15-7
Colorless aromatic liquid.Miscibility with hydrocarbon solvent. It is soluble in most organic solvents, usually in hexane, heptane, cyclohexane, toluene, ethyl ether, CH2Cl2 and used in THF.Using tributyl aluminum as raw materials, under the stress and thermal decomposition can be obtained under 120 ~ 180 ℃. In the reaction yield can reach more than 95% and the rest into 3 isobutyl aluminum, can be recycled. Temperature is too high, otherwise will all or part of the decomposed into metal aluminum.Mainly used as reductant and hydrogen aluminizing agent of fine chemicals.
Diisobutylaluminum Hydride is used in Pd-catalyzed reductive debromination of secondary alkyl bromides. O-Debenzylation and ring opening of perbenzylated furanosides. Convenient in situ generation of HZrCp2Cl from ZrCp2Cl2 and DIBAL-H.
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