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256846

Sigma-Aldrich

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
Beilstein/REAXYS Number:
4123663
MDL number:
MFCD00008928
UNSPSC Code:
12352001
PubChem Substance ID:
24855553

form

liquid

reaction suitability

reagent type: reductant

concentration

1.0 M in heptane

density

0.731 g/mL at 25 °C

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

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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.

Recommended products

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.

septum inlet adapter

Product No.
Description
Pricing

signalword

Danger

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

target_organs

Central nervous system

supp_hazards

EUH014

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

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

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Hideki Ishii et al.
Organic & biomolecular chemistry, 3(19), 3471-3472 (2005-09-21)
The lactone rings of ginkgolide A are converted into corresponding tetrahydrofuran moieties via DIBAL-H reduction followed by deoxygenation of the formed lactols with Et3SiH-BF3.Et2O to produce a series of lactone-free ginkgolides.
Nobuo Tanaka et al.
Carbohydrate research, 343(15), 2675-2679 (2008-08-23)
The reductive ring-opening reaction of benzylidene-protected glucosides and mannosides such as methyl 2,3-di-O-benzyl-4,6-O-benzylidene-alpha-d-glucoside (1) and methyl 2,3-di-O-benzyl-4,6-O-benzylidene-alpha-d-mannoside (4) by using a toluene stock solution of DIBAL-H and a dichloromethane stock solution of DIBAL-H gives mainly or selectively the corresponding 2,3,4-tri-O-benzyl
V Constantinou-Kokotou et al.
The journal of peptide research : official journal of the American Peptide Society, 58(4), 325-331 (2001-10-19)
A general method for the synthesis of enantiopure non-natural alpha-amino acids is described. The key intermediate tert-butyl (2S)-2-[bis(tert-butoxycarbonyl)amino]-5-oxopentanoate was obtained from l-glutamic acid after suitable protection and selective reduction of the gamma-methyl ester group by DIBALH. Wittig reaction of this
Diisobutylaluminum hydride mediated regioselective O desilylations: access to multisubstituted cyclodextrins.
Ramprasad Ghosh et al.
Angewandte Chemie (International ed. in English), 51(7), 1548-1552 (2011-10-19)
Thomas Lecourt et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 10(12), 2960-2971 (2004-06-24)
To explain the remarkable regioselective de-O-benzylating properties of diisobutylaluminium hydride (DIBAL-H) and triisobutylaluminium (TIBAL) towards polybenzylated sugars or cyclodextrins, we propose a plausible mechanistic rationale critically involving the kinetic formation of a product-generating 2:1 Al-benzylated sugar complex. For the reaction
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