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29263-94-3 - Diethyl 2-bromo-2-methylmalonate, 98% - 2-Bromo-2-methylmalonic acid diethyl ester - L00575 - Alfa Aesar

L00575 Diethyl 2-bromo-2-methylmalonate, 98%

CAS Number
29263-94-3
Synonyms
2-Bromo-2-methylmalonic acid diethyl ester

Size Price ($) Quantity Availability
25g 88.20
100g 289.00
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Diethyl 2-bromo-2-methylmalonate, 98%

MDL
MFCD00009125
EINECS
249-541-6

Chemical Properties

Formula
C8H13BrO4
Formula Weight
253.10
Boiling Point
105-106°/5mm
Flash Point
>110°(230°F)
Density
1.323
Refractive Index
1.4490

Literature References

Brominating agent, more reproducible than bromine, for ester enolates: Rec. Trav. Chim., 96, 72 (1977).

/n

Reacts with nucleophiles at bromine with displacement of the malonate anion. Thus it has been used to introduce the ɑ-methylacetic acid unit at a remote position, asin the -alkylation of unsaturated ketones, in which the displaced malonate anion reacts with the initially-formed ɑ-bromo ketone. This process has been termed "transfer alkylation": J. Am. Chem. Soc., 94, 1790 (1972):

/n

/n

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements: P260u-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P363-P405-P501a

Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1779673
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2917.19
TSCA
No

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