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Merck
CN

414131

1-Bromopinacolone

≥97%

Synonym(s):

1-Bromo-3,3-dimethyl-2-butanone, Bromomethyl tert-butyl ketone

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About This Item

Linear Formula:
(CH3)3CCOCH2Br
CAS Number:
5469-26-1
Molecular Weight:
179.05
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24865895
EC Number:
226-794-0
Beilstein/REAXYS Number:
506485
MDL number:
MFCD00000206
Assay:
≥97%
Form:
liquid

Key Documents

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InChI key

SAIRZMWXVJEBMO-UHFFFAOYSA-N

InChI

1S/C6H11BrO/c1-6(2,3)5(8)4-7/h4H2,1-3H3

SMILES string

CC(C)(C)C(=O)CBr

assay

≥97%

form

liquid

Quality Level

200

bp

188-194 °C (lit.)

mp

−10 °C (lit.)

density

1.331 g/mL at 25 °C (lit.)

functional group

bromo, ketone

storage temp.

−20°C

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General description

1-Bromopinacolone is an α-bromoketone-aldehyde. Coupling of 1-bromopinacolone with various aldehyde electrophiles catalyzed by SmI2 has been reported. It acts as reversible competitive inhibitor for acetylcholinesterase, during hydrolysis of acetylcholine.

Application

1-Bromopinacolone is the suitable reagent for the synthesis of a photolabile azido derivative of the kaurene oxidase inhibitor 1-(4- chlorophenyl)4,4-dimethyl-2-(1,2,4-triazol-1-yl) pentan-3-ol (paclobutrazol). It may be used as reagent in the synthesis of 2-t-butyl-6-benzoylimidazo[1,2-b]pyridazine.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

167.0 °F - closed cup

flash_point_c

75 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCBT6036
BCBC7504V
BCBC7504
1452204V
1452204

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Brian A Sparling et al.
Organic letters, 10(6), 1291-1294 (2008-02-28)
Highly substituted, very hindered enones were synthesized using a two-step procedure that utilizes a diiodosamarium-promoted Reformatsky-type coupling and dehydration using Martin sulfurane. Both alpha-chloro- and alpha-bromoketones were coupled with a variety of carbonyl nucleophiles to form the intermediate beta-hydroxyketones, occurring
D L Hallahan et al.
Plant physiology, 88(4), 1425-1429 (1988-12-01)
A photolabile azido derivative of the kaurene oxidase inhibitor 1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-l-yl) pentan-3-ol (paclobutrazol) has been synthesized for use as a photoaffinity labeling agent. The compound was tested as an inhibitor of the oxidation of ent-kaurene catalyzed by cell-free preparations from endosperm
Methyl imidazo [1,2-b] pyridazine-2-carbamates and related compounds as potential antifilarial agents
Mourad AE, et al.
Journal of Heterocyclic Chemistry, 29, 1583-1583 (1992)
S G Cohen et al.
Biochimica et biophysica acta, 997(3), 167-175 (1989-08-31)
1-Bromo-2-[14C]pinacolone, (CH3)3C14COCH2Br [( 14C]BrPin), was prepared from [1-14C]acetyl chloride and tert-butylmagnesium chloride with cuprous chloride catalyst, followed by bromination. It was examined as an active-site directed label for acetylcholinesterase (acetylcholine acetylhydrolase, EC 3.1.1.7) (AcChE). AcChE, isolated from Torpedo nobiliana, has
E Salih et al.
The Journal of biological chemistry, 268(1), 245-251 (1993-01-05)
Acetylcholinesterase (AcChE, EC 3.1.1.7) was isolated from the electric organ of T. nobiliana and treated with the active-site-directed alkylating agent 1-bromo-2-[14C]pinacolone ([14C]BrPin), or with BrPin, which acts initially as a competitive inhibitor, Ki = 0.18 mM, and then inactivates the
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