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Merck
CN

256846

Diisobutylaluminum hydride solution

1.0 M in heptane

Synonym(s):

DIBAL, DIBAL-H

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About This Item

Linear Formula:
[(CH3)2CHCH2]2AlH
CAS Number:
1191-15-7
Molecular Weight:
142.22
PubChem Substance ID:
24855553
UNSPSC Code:
12352001
Beilstein/REAXYS Number:
4123663
MDL number:
MFCD00008928
Form:
liquid

Key Documents

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SMILES string

CC(C)C[AlH]CC(C)C

InChI

1S/2C4H9.Al.H/c2*1-4(2)3;;/h2*4H,1H2,2-3H3;;

InChI key

AZWXAPCAJCYGIA-UHFFFAOYSA-N

form

liquid

reaction suitability

reagent type: reductant

concentration

1.0 M in heptane

density

0.731 g/mL at 25 °C

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Application

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.

Other Notes

Angled septum-inlet adapter Z118206 or straight septum-inlet adapter, 6mm I.D. inlet, Z118141 or straight septum-inlet adapter, 13mm I.D. inlet, Z118192 is recommended.

signalword

Danger

target_organs

Central nervous system

supp_hazards

EUH014

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react. 1

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
00115KH
06428PE
10921HI
11129LC
04609HS

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J Marco-Contelles et al.
Carbohydrate research, 335(1), 63-70 (2001-09-13)
The reaction of DIBALH with bis(heteroannulated)-pyranosides containing the perhydrofuro[2,3-b]pyran moiety is described. The hydride attack at the anomeric carbon (C-9a) resulted in the exclusive tetrahydrofuran ring opening. The selectivity of this reaction has been evaluated as other benzylidene acetals built
Y Kitade et al.
Nucleic acids symposium series, (27)(27), 107-108 (1992-01-01)
Reaction of purine nucleosides, such as 2',3'-isopropylideneinosine (1a) and 2',3'-isopropylideneadenosine (1c), with diisobutylaluminum hydride (DIBAL) in dry tetrahydrofurane resulted in the formation of the corresponding 9-(2',3'-isopropylideneribity)purines (2) in good yields. Oxidation of the ribityl derivatives (2) with NalO4 and subsequent
Hidetsura Cho et al.
The Journal of organic chemistry, 75(3), 627-636 (2009-12-31)
A systematic investigation of the reductive ring-expansion reaction of cyclic ketoximes fused to aromatic rings with diisobutylaluminum hydride (DIBALH) is described. This reaction regioselectively afforded a variety of five- to eight-membered bicyclic heterocycles or tricyclic heterocycles containing nitrogen neighboring an
D J Kopecky et al.
The Journal of organic chemistry, 65(1), 191-198 (2000-05-18)
An optimized protocol for the DIBALH reductive acetylation of acyclic esters and diesters is described. This reductive acetylation procedure allows a wide variety of esters to be converted into the corresponding alpha-acetoxy ethers in good to excellent yields. It was
Damien Webb et al.
Organic letters, 14(2), 568-571 (2011-12-31)
A continuous flow system for the multiparameter (flow rate, temperature, residence time, stoichiometry) optimization of the DIBALH reduction of esters to aldehydes is described. Incorporating an in-line quench (MeOH), these transformations are generally complete in fewer than 60 s. Mixing
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