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130613

Sigma-Aldrich

5-Bromoveratraldehyde

98%

Synonym(s):

3-Bromo-4,5-dimethoxybenzaldehyde

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About This Item

Linear Formula:
BrC6H2(OCH3)2CHO
CAS Number:
6948-30-7
Molecular Weight:
245.07
EC Number:
230-113-2
MDL number:
MFCD00003346
UNSPSC Code:
12352100
PubChem Substance ID:
24847972
NACRES:
NA.22

assay

98%

form

powder

mp

63-64 °C (lit.)

SMILES string

COc1cc(C=O)cc(Br)c1OC

InChI

1S/C9H9BrO3/c1-12-8-4-6(5-11)3-7(10)9(8)13-2/h3-5H,1-2H3

InChI key

ICVODPFGWCUVJC-UHFFFAOYSA-N

Application

5-Bromoveratraldehyde (3-Bromo-4,5-dimethoxybenzaldehyde) was used to prepare 1-phenyl-2-(4-aryl-1,3,4,5-tetrahydropyrido[2,3-b][1,4]diazepin-2-ylidene)-ethanones.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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H Liszkiewicz et al.
Die Pharmazie, 61(6), 517-521 (2006-07-11)
A two-step, general synthesis of 1-phenyl-2-(4-aryl-1,3,4,5-tetrahydropyrido[2,3-b][1,4]diazepin-2-ylidene)-ethanones 3-9 is presented. This synthesis employs a condensation of 2,3-diaminopyridine with benzoylacetone followed by a basic-activated cyclization reaction with substituted benzaldehydes for final closure of the seven-membered ring. Molecular diversity is fixed by appropriate

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