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5-Methoxy-2-formylphenylboronic acid is an organic compound that features a boron atom bonded to a phenyl ring with a methoxy group at the 5th position and a formyl group at the 2nd position. 5-Methoxy-2-formylphenylboronic acid is known for its versatile reactivity and is commonly utilized in various chemical reactions and synthesis processes.

40138-18-9

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40138-18-9 Usage

Uses

Used in Suzuki Reaction:
5-Methoxy-2-formylphenylboronic acid is used as a reagent in the Suzuki reaction, a widely employed method for the formation of carbon-carbon bonds, particularly in the synthesis of biaryl compounds. 5-Methoxy-2-formylphenylboronic acid's boronic acid functionality allows it to participate in palladium-catalyzed cross-coupling reactions, enabling the formation of new carbon-carbon bonds with a wide range of organic substrates.
Used in Total Synthesis of Laetevirenol A:
In the pharmaceutical industry, 5-Methoxy-2-formylphenylboronic acid is used as a reagent for the total synthesis of laetevirenol A, a natural product with potential biological activities. 5-Methoxy-2-formylphenylboronic acid's unique structure allows it to undergo intramolecular Friedel-Crafts alkylation, a key step in the construction of the complex molecular framework of laetevirenol A.

Check Digit Verification of cas no

The CAS Registry Mumber 40138-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,3 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40138-18:
(7*4)+(6*0)+(5*1)+(4*3)+(3*8)+(2*1)+(1*8)=79
79 % 10 = 9
So 40138-18-9 is a valid CAS Registry Number.
InChI:InChI=1/C8H9BO4/c1-13-7-3-2-6(5-10)8(4-7)9(11)12/h2-5,11-12H,1H3

40138-18-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name (2-formyl-5-methoxyphenyl)boronic acid

1.2 Other means of identification

Product number -
Other names 5-methoxy-2-formylbenzeneboronic acid

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:40138-18-9 SDS

40138-18-9Relevant academic research and scientific papers

Design and enantioselective synthesis of 3-(α-acrylic acid) benzoxaboroles to combat carbapenemase resistance

Chen, Fener,Chen, Xiao-Pan,Deng, Ji,Li, Gen,Li, Guo-Bo,Schofield, Christopher J.,Xiao, You-Cai,Yan, Yu-Hang,Yu, Jun-Lin,Zhu, Kai-Rong,Brem, Jürgen

supporting information, p. 7709 - 7712 (2021/08/09)

Chiral 3-substituted benzoxaboroles were designed as carbapenemase inhibitors and efficiently synthesisedviaasymmetric Morita-Baylis-Hillman reaction. Some of the benzoxaboroles were potent inhibitors of clinically relevant carbapenemases and restored the activity of meropenem in bacteria harbouring these enzymes. Crystallographic analyses validate the proposed mechanism of binding to carbapenemases,i.e.in a manner relating to their antibiotic substrates. The results illustrate how combining a structure-based design approach with asymmetric catalysis can efficiently lead to potent β-lactamase inhibitors and provide a starting point to develop drugs combatting carbapenemases.

Highly fluorescent, π-extended indenopyrido[2,1-a]isoindolone derivatives prepared by a palladium-catalysed cascade reaction

El Abidine Chamas, Zein,Marchi, Enrico,Modelli, Alberto,Fort, Yves,Ceroni, Paola,Mamane, Victor

supporting information, p. 2316 - 2324 (2013/05/09)

A new family of heterocyclic pentacyclic compounds have been prepared by a cascade reaction involving 2,5-dihalopyridines and (2-formylphenyl)boronic acids. Most of the compounds exhibit high quantum yields of fluorescence in dichloromethane. In some cases, small changes in the substitution pattern caused fluorescence quenching. To rationalize this effect, a detailed photophysical study combined with electrochemical and computational studies was performed on four representative derivatives. It appears that the fluorescence quenching is caused by a thermally activated non-radiative deactivation process that can be prevented in a rigid matrix such as ethanol at 77 K or a PMMA polymer.

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