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451398

Sigma-Aldrich

Zinc bromide

AnhydroBeads™, −10 mesh, 99.999% trace metals basis

Synonym(s):

Zinc dibromide

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About This Item

Linear Formula:
ZnBr2
CAS Number:
7699-45-8
Molecular Weight:
225.20
EC Number:
231-718-4
MDL number:
MFCD00011294
UNSPSC Code:
12352302
eCl@ss:
38150410
PubChem Substance ID:
24868627
NACRES:
NA.23

product line

AnhydroBeads™

Quality Level

100

Assay

99.999% trace metals basis

reaction suitability

reagent type: catalyst
core: zinc

impurities

≤15.0 ppm Trace Metal Analysis

particle size

−10 mesh

bp

~670 °C/1 atm (lit.)

mp

394 °C (lit.)

solubility

diethyl ether: slightly soluble(lit.)
ethanol: very soluble(lit.)

SMILES string

Br[Zn]Br

InChI

1S/2BrH.Zn/h2*1H;/q;;+2/p-2

InChI key

VNDYJBBGRKZCSX-UHFFFAOYSA-L

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Application

Optimal catalyst for stereospecific and regioselective reaction of silacyclopropanes with carbonyl compounds.

Legal Information

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

accessory

Product No.
Description
Pricing

Signal Word

Danger

Hazard Statements

H302,H314,H317,H411

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Chutian Shu et al.
The Journal of organic chemistry, 75(19), 6677-6680 (2010-09-08)
The key Pd-catalyzed cross-coupling of aryl bromides or triflates and cyclopropylmagnesium bromide in the presence of substoichiometric amounts of zinc bromide produces cyclopropyl arenes in good to excellent yields. The cross-coupling of other alkyl, cycloalkyl, and aryl Grignard reagents with
Yang Yu et al.
Preparative biochemistry & biotechnology, 37(4), 381-387 (2007-09-13)
Zinc bromide catalyzes the three component condensation reaction of an aldehyde, urea, and beta-ketoester or beta-diketone under solvent-free conditions to afford the corresponding dihydropyrimidinones (DHPMs) with moderate to high yields in short reaction time. The present method is very effective
Thomas Hameury et al.
Organic letters, 11(11), 2397-2400 (2009-05-09)
A diastereodivergent addition of allenylzincs to aryl glyoxylates was observed depending on the method used for the preparation of the allenylzinc reagent. The allenylzincs were prepared from propargylic benzoates in the presence of a palladium catalyst or by metalation of
Teiichi Murakami et al.
Carbohydrate research, 343(8), 1297-1308 (2008-04-15)
Reactions of O-benzoylated glucopyranosyl halide (I, Br), isolated or generated in situ from per-benzoylated glucose (8a) and trimethylsilyl halide, with various alcohols were efficiently promoted by zinc halide (Cl, Br) or N-bromosuccinimide with a catalytic ZnI(2) to give the corresponding
Yejian Han et al.
Organic letters, 13(4), 588-591 (2011-01-12)
An efficient and versatile ZnBr(2)-catalyzed Diels-Alder/carbocyclization cascade reaction has been developed for construction of highly functionalized cis-hydrindanes (70-96% yields with high diastereoselectivity), and it has been successfully utilized in the synthesis of the aglycon of dendronobiloside A.
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