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Ethanone, 2-bromo-1-(4-hydroxy-3,5-dimethoxyphenyl)-, also known as α-Bromoacetosyringone, is a chemical compound that functions as an inhibitor of pathogenic (vir) genes. It is characterized by the presence of a bromo group attached to an ethanone moiety, with a 4-hydroxy-3,5-dimethoxyphenyl group attached to the carbonyl carbon. This unique structure allows it to selectively block the expression of virulence genes on the Ti plasmid of Agrobacterium tumefaciens, a bacterium responsible for causing crown gall disease in plants.

51149-28-1

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51149-28-1 Usage

Uses

Used in Plant Pathology:
Ethanone, 2-bromo-1-(4-hydroxy-3,5-dimethoxyphenyl)is used as a virulence gene inhibitor for controlling the expression of virulence genes on the Ti plasmid of Agrobacterium tumefaciens. This selective inhibition prevents the bacterium from causing crown gall disease in plants, thus protecting them from the harmful effects of the pathogen.
Used in Agricultural Applications:
In agriculture, Ethanone, 2-bromo-1-(4-hydroxy-3,5-dimethoxyphenyl)is used as a biocontrol agent to manage plant diseases caused by Agrobacterium tumefaciens. By inhibiting the expression of virulence genes, it helps in reducing the incidence of crown gall disease in various crops, thereby improving crop health and productivity.
Used in Plant Biotechnology:
Ethanone, 2-bromo-1-(4-hydroxy-3,5-dimethoxyphenyl)can also be used in plant biotechnology as a tool to study the molecular mechanisms of Agrobacterium-mediated gene transfer and the role of virulence genes in the pathogenesis of crown gall disease. This knowledge can contribute to the development of novel strategies for improving plant resistance to bacterial infections and enhancing crop protection.

Check Digit Verification of cas no

The CAS Registry Mumber 51149-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,4 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51149-28:
(7*5)+(6*1)+(5*1)+(4*4)+(3*9)+(2*2)+(1*8)=101
101 % 10 = 1
So 51149-28-1 is a valid CAS Registry Number.

51149-28-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-bromo-1-(4-hydroxy-3,5-dimethoxyphenyl)ethanone

1.2 Other means of identification

Product number -
Other names 2-bromo-3',5'-dimethoxy-4'-hydroxyacetophenone

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:51149-28-1 SDS

51149-28-1Relevant academic research and scientific papers

Easy synthesis of β-O-4 type lignin related polymers

Kishimoto, Takao,Uraki, Yasumitsu,Ubukata, Makoto

, p. 1067 - 1073 (2007/10/03)

The β-O-4 structure is the most abundant substructure in lignin. Lignin related polymers composed of only the β-O-4 structure were prepared using simple aromatic compounds as starting materials. Acetophenone derivatives were brominated, polymerized in the presence of K2CO3 and reduced with NaBH4 to give the lignin related polymers. These are linear polymers which resemble natural lignins in their structures, although they do not have a γ-hydroxymethyl group. The number average degree of polymerization (DPn) was determined with peracetate of the polymers by gel permeation chromatography. The DPn of guaiacyl type polymers ranged from 15.2-21.4, where the value for the syringyl type was 11.3 and for the p-hydroxyphenyl type 16.9. The Guaiacyl type polymer was very soluble in usual lignin solvents such as 1,4-dioxane-water (96:4, v/v) and DMSO, but only slightly soluble in acetone-water (9:1, v/v). The Royal Society of Chemistry 2005.

New Phototriggers: Extending the p-Hydroxyphenacyl π-π* Absorption Range

Conrad II, Peter G.,Givens, Richard S.,Weber, J?rg F. W.,Kandler, Karl

, p. 1545 - 1547 (2007/10/03)

(Matrix Presented) Introducing 3-methoxy or 3,5-dimethoxy substituents on the 4-hydroxyphenacyl (pHP) photoremovable protecting group has been explored with two excitatory γ-amino acids, L-glutamic acid and γ-amino butyric acid (GABA). These substituents significantly extend the absorption range of the pHP chromophore, e.g., the tail of absorption bands of 2a,b extend above 400 nm, well beyond the absorptions of aromatic amino acids and nucleotides. Irradiation releases the amino acids with rate constants of ~107 s-1 and appearance efficiencies (Φapp) of 0.03-0.04. The photoproducts are formed through the pHP excited triplet and are primarily products of photoreduction and photohydrolysis. 1a,b also rearranged to the phenylacetic acid 3.

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