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20101-92-2

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20101-92-2 Usage

General Description

2-(4-chlorophenyl)acetamide is a chemical compound with the molecular formula C8H8ClNO. It is an off-white solid with a molecular weight of 169.61 g/mol. 2-(4-CHLOROPHENYL)ACETAMIDE is used in the pharmaceutical industry as an intermediate in the synthesis of various drugs and bioactive molecules. It is also used in the production of pesticides and other agrochemicals. 2-(4-chlorophenyl)acetamide is known to have a mild to moderate irritant effect on the skin and eyes, and it may cause respiratory irritation if inhaled. It is important to handle this compound with care and use appropriate protective equipment when working with it.

Check Digit Verification of cas no

The CAS Registry Mumber 20101-92-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,0 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20101-92:
(7*2)+(6*0)+(5*1)+(4*0)+(3*1)+(2*9)+(1*2)=42
42 % 10 = 2
So 20101-92-2 is a valid CAS Registry Number.

20101-92-2SDS

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-(4-chlorophenyl)acetamide

1.2 Other means of identification

Product number -
Other names (4-chlorophenyl)-acetamide

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:20101-92-2 SDS

20101-92-2Relevant articles and documents

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Betts,Hammett

, p. 1568 (1937)

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A CO2-mediated base catalysis approach for the hydration of triple bonds in ionic liquids

Han, Buxing,Ke, Zhengang,Li, Ruipeng,Liu, Zhimin,Tang, Minhao,Wang, Yuepeng,Zeng, Wei,Zhang, Fengtao,Zhao, Yanfei

supporting information, p. 9870 - 9875 (2021/12/27)

Herein, we report a CO2-mediated base catalysis approach for the activation of triple bonds in ionic liquids (ILs) with anions that can chemically capture CO2 (e.g., azolate, phenolate, and acetate), which can achieve hydration of triple bonds to carbonyl chemicals. It is discovered that the anion-complexed CO2 could abstract one proton from proton resources (e.g., IL cation) and transfer it to the CN or CC bonds via a six-membered ring transition state, thus realizing their hydration. In particular, tetrabutylphosphonium 2-hydroxypyridine shows high efficiency for hydration of nitriles and CC bond-containing compounds under a CO2 atmosphere, affording a series of carbonyl compounds in excellent yields. This catalytic protocol is simple, green, and highly efficient and opens a new way to access carbonyl compounds via triple bond hydration under mild and metal-free conditions.

Direct synthesis of amides from nonactivated carboxylic acids using urea as nitrogen source and Mg(NO3)2or imidazole as catalysts

Blacker, A. John,Chhatwal, A. Rosie,Lomax, Helen V.,Marcé, Patricia,Williams, Jonathan M. J.

, p. 5808 - 5818 (2020/06/21)

A new method for the direct synthesis of primary and secondary amides from carboxylic acids is described using Mg(NO3)2·6H2O or imidazole as a low-cost and readily available catalyst, and urea as a stable, and easy to manipulate nitrogen source. This methodology is particularly useful for the direct synthesis of primary and methyl amides avoiding the use of ammonia and methylamine gas which can be tedious to manipulate. Furthermore, the transformation does not require the employment of coupling or activating agents which are commonly required.

Lithiation Substitution of Unprotected Benzyltetrazoles

Wong, Jeff Y. F.,Lewandowska, Agnieszka,Trowse, Benjamin R.,Barker, Graeme

supporting information, p. 7069 - 7072 (2019/09/30)

1H-Tetrazoles occupy an important role in modern medicinal chemistry, but few methods for their modification exist. Many extant protocols require the use of a difficult to remove N-alkyl-protecting group, precluding the products from use as carboxylate bioisosteres, the major role of tetrazoles in pharmaceuticals. We herein report a convenient, protecting-group-free lithiation-substitution protocol for benzylic tetrazoles. Metalation with n-BuLi at 0 °C followed by electrophilic trapping gave a range of α-functionalized benzyltetrazoles in up to 91% yield.

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