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Sigma-Aldrich

6-Bromo-2-methylchromone

97%

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About This Item

Empirical Formula (Hill Notation):
C10H7BrO2
CAS Number:
Molecular Weight:
239.07
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

form

solid

mp

128-132 °C (lit.)

SMILES string

CC1=CC(=O)c2cc(Br)ccc2O1

InChI

1S/C10H7BrO2/c1-6-4-9(12)8-5-7(11)2-3-10(8)13-6/h2-5H,1H3

InChI key

PVHDLBFVSMGZAA-UHFFFAOYSA-N

General description

6-Bromo-2-methylchromone is a 2-methylchromone derivative that can be prepared from ethyl 6-bromo-2-methyl-4-oxo-4H-benzopyran-3-carboxylate via hydrolysis followed by decarboxylation.

Application

6-Bromo-2-methylchromone may be used in the preparation of 6-bromochromone-2-carboxaldehyde via oxidation using selenium dioxide.

Storage Class Code

11 - Combustible Solids

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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Selective C-3 monochlorination of 2-methylchromones and chromone-2-carboxaldehydes.
Jagadeesh SG, et al.
Synthetic Communications, 28(20), 3827-3833 (1998)
A highly practical route to 2-methylchromones from 2-acetoxybenzoic acids.
Jung JC, et al.
Synthetic Communications, 31(12), 1837-1845 (2001)

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