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1798-09-0

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1798-09-0 Usage

Chemical Properties

Off-White Solid

Uses

A fluorimetric method for the estimation of 4-hydroxy-3-methoxyphenylacetic acid (homovanillic acid) has been developed and applied to normal brain tissue. The presence of homovanillic acid in the caudate nucleus of normal animals of several species has been demonstrated.

Purification Methods

Crystallise the acid from H2O, or aqueous EtOH. The S-benzylisothiuronium salt has m 160-161o (from EtOH). [Beilstein 10 I 82, 10 III 428, 10 IV 541.]

Check Digit Verification of cas no

The CAS Registry Mumber 1798-09-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,9 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1798-09:
(6*1)+(5*7)+(4*9)+(3*8)+(2*0)+(1*9)=110
110 % 10 = 0
So 1798-09-0 is a valid CAS Registry Number.
InChI:InChI=1/C9H10O3/c1-12-8-4-2-3-7(5-8)6-9(10)11/h2-5H,6H2,1H3,(H,10,11)/p-1

1798-09-0 Well-known Company Product Price

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  • (Code)Product description
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  • Alfa Aesar

  • (A10951)  3-Methoxyphenylacetic acid, 97%   

  • 1798-09-0

  • 5g

  • 254.0CNY

  • Detail
  • Alfa Aesar

  • (A10951)  3-Methoxyphenylacetic acid, 97%   

  • 1798-09-0

  • 25g

  • 924.0CNY

  • Detail
  • Alfa Aesar

  • (A10951)  3-Methoxyphenylacetic acid, 97%   

  • 1798-09-0

  • 100g

  • 1870.0CNY

  • Detail

1798-09-0SDS

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-(3-methoxyphenyl)acetic acid

1.2 Other means of identification

Product number -
Other names 3-methoxy-2-phenylacetic 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:1798-09-0 SDS

1798-09-0Relevant articles and documents

An Efficient and Remarkably Regioselective Synthesis of Benzocyclobutenones from Benzynes and 1,1-Dimethoxyethylene

Stevens, Robert V.,Bisacchi, Gregory S.

, p. 2393 - 2396 (1982)

New efficient methodology for the synthesis of substituted benzocyclobutenones is presented that involves the cycloaddition of various substituted benzynes to 1,1-dimethoxyethylene followed by hydrolysis to the corresponding ketone.In most cases studied a high degree of regioselectivity was observed.These observations are consistent with a nonsynchronous mechanism wherein steric and inductive considerations can be used to account for the products observed.

Visible-light photoredox-catalyzed selective carboxylation of C(sp3)?F bonds with CO2

Bo, Zhi-Yu,Chen, Lin,Gao, Tian-Yu,Jing, Ke,Lan, Yu,Liu, Shi-Han,Luo, Shu-Ping,Yan, Si-Shun,Yu, Bo,Yu, Da-Gang

, p. 3099 - 3113 (2021/11/16)

It is highly attractive and challenging to utilize carbon dioxide (CO2), because of its inertness, as a nontoxic and sustainable C1 source in the synthesis of valuable compounds. Here, we report a novel selective carboxylation of C(sp3)?F bonds with CO2 via visible-light photoredox catalysis. A variety of mono-, di-, and trifluoroalkylarenes as well as α,α-difluorocarboxylic esters and amides undergo such reactions to give important aryl acetic acids and α-fluorocarboxylic acids, including several drugs and analogs, under mild conditions. Notably, mechanistic studies and DFT calculations demonstrate the dual role of CO2 as an electron carrier and electrophile during this transformation. The fluorinated substrates would undergo single-electron reduction by electron-rich CO2 radical anions, which are generated in situ from CO2 via sequential hydride-transfer reduction and hydrogen-atom-transfer processes. We anticipate our finding to be a starting point for more challenging CO2 utilization with inert substrates, including lignin and other biomass.

Macrolactam Synthesis via Ring-Closing Alkene-Alkene Cross-Coupling Reactions

Goh, Jeffrey,Loh, Teck-Peng,Maraswami, Manikantha

supporting information, p. 9724 - 9728 (2020/12/21)

Reported herein is a practical method for macrolactam synthesis via a Rh(III)-catalyzed ring closing alkene-alkene cross-coupling reaction. The reaction proceeded via a Rh-catalyzed alkenyl sp2 C-H activation process, which allows access to macrocyclic molecules of different ring sizes. Macrolactams containing a conjugated diene framework could be easily prepared in high chemoselectivities and Z,E stereoselectivities.

Visible-Light-Driven External-Reductant-Free Cross-Electrophile Couplings of Tetraalkyl Ammonium Salts

Liao, Li-Li,Cao, Guang-Mei,Ye, Jian-Heng,Sun, Guo-Quan,Zhou, Wen-Jun,Gui, Yong-Yuan,Yan, Si-Shun,Shen, Guo,Yu, Da-Gang

, p. 17338 - 17342 (2019/01/04)

Cross-electrophile couplings between two electrophiles are powerful and economic methods to generate C-C bonds in the presence of stoichiometric external reductants. Herein, we report a novel strategy to realize the first external-reductant-free cross-electrophile coupling via visible-light photoredox catalysis. A variety of tetraalkyl ammonium salts, bearing primary, secondary, and tertiary C-N bonds, undergo selective couplings with aldehydes/ketone and CO2. Notably, the in situ generated byproduct, trimethylamine, is efficiently utilized as the electron donor. Moreover, this protocol exhibits mild reaction conditions, low catalyst loading, broad substrate scope, good functional group tolerance, and facile scalability. Mechanistic studies indicate that benzyl radicals and anions might be generated as the key intermediates via photocatalysis, providing a new direction for cross-electrophile couplings.

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