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51122-91-9

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51122-91-9 Usage

Description

2-Isopropylmalonic acid dimethyl ester is a colorless and clear liquid chemical compound with the molecular formula C9H16O4. It possesses a faint fruity odor and is used in various industrial applications, including as a fragrance ingredient and a solvent. Additionally, it plays a crucial role in the synthesis of pharmaceuticals and other organic compounds. 2-Isopropylmalonic acid dimethyl ester is stable under normal conditions but should be handled with care and stored in a cool, dry place away from ignition sources.

Uses

Used in Fragrance Industry:
2-Isopropylmalonic acid dimethyl ester is used as a fragrance ingredient for its ability to impart a subtle fruity scent to various products. Its unique aroma profile makes it a valuable addition to the fragrance formulations in the perfumery and cosmetics sectors.
Used in Solvent Applications:
In the chemical industry, 2-Isopropylmalonic acid dimethyl ester serves as a solvent for various processes. Its solubility properties allow it to dissolve a wide range of substances, making it a versatile component in the manufacturing of different products.
Used in Pharmaceutical Synthesis:
2-Isopropylmalonic acid dimethyl ester is utilized as a key intermediate in the synthesis of pharmaceuticals. Its reactivity and functional groups enable the creation of complex organic molecules, contributing to the development of new drugs and medicinal compounds.
Used in Organic Compound Synthesis:
Beyond its pharmaceutical applications, 2-Isopropylmalonic acid dimethyl ester is also employed in the synthesis of other organic compounds. Its versatility as a building block allows chemists to create a diverse array of organic molecules for various applications, including materials science, agrochemicals, and specialty chemicals.

Check Digit Verification of cas no

The CAS Registry Mumber 51122-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51122-91:
(7*5)+(6*1)+(5*1)+(4*2)+(3*2)+(2*9)+(1*1)=79
79 % 10 = 9
So 51122-91-9 is a valid CAS Registry Number.

51122-91-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name dimethyl 2-propan-2-ylpropanedioate

1.2 Other means of identification

Product number -
Other names dimethyl 2-isopropyl malonate

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:51122-91-9 SDS

51122-91-9Relevant articles and documents

Photocatalytic Hydromethylation and Hydroalkylation of Olefins Enabled by Titanium Dioxide Mediated Decarboxylation

Zhu, Qilei,Nocera, Daniel G.

supporting information, p. 17913 - 17918 (2020/12/04)

A versatile method for the hydromethylation and hydroalkylation of alkenes at room temperature is achieved by using the photooxidative redox capacity of the valence band of anatase titanium dioxide (TiO2). Mechanistic studies support a radical-based mechanism involving the photoexcitation of TiO2 with 390 nm light in the presence of acetic acid and other carboxylic acids to generate methyl and alkyl radicals, respectively, without the need for stoichiometric base. This protocol is accepting of a broad scope of alkene and carboxylic acids, including challenging ones that produce highly reactive primary alkyl radicals and those containing functional groups that are susceptible to nucleophilic substitution such as alkyl halides. This methodology highlights the utility of using heterogeneous semiconductor photocatalysts such as TiO2 for promoting challenging organic syntheses that rely on highly reactive intermediates.

METHOD FOR PRODUCING (4E)-5-CHLORO-2-ISOPROPYL-4-PENTENOATE AND OPTICALLY ACTIVE SUBSTANCE THEREOF

-

Page/Page column 11; 12, (2010/11/27)

To provide a process for producing a (4E)-5-chloro-2-isopropyl-4-pentenoate in high yield and efficiently. A compound (2) is reacted with a base in the presence of an aprotic solvent and then with (1E)-1,3-dichloro-1-propene in the same reaction vessel to obtain a compound (3), and then either of -COOR moieties in the compound (3) is replaced with a hydrogen atom in the same reaction vessel to obtain a compound (4): wherein R is a lower alkyl group or an aralkyl group.

1,3-Stereoinduction in radical reactions: Radical additions to dialkyl 2-alkyl-4-methyleneglutarates

Hayen,Koch,Saak,Haase,Metzger

, p. 12458 - 12468 (2007/10/03)

Tin hydride-mediated radical additions to a series of α-methylene-glutarates 1, furnishing 2;4-dialkyl-substituted glutarates 3 are reported. The diastereoselectivity of hydrogen transfer to the intermediate adduct radicals 2, possessing a stereogenic center in γ-position, was disappointing in the temperature range of -78 to 80 °C. However, the reactions proved to be able to proceed with excellent 1,3-diastereoselectivities under chelation-controlled conditions, depending on the steric impacts of 2- and 4-alkyl substituents as well as on the ester-alkyl moiety and choice of Lewis acid. Using MgBr2·OEt2 as additive, syn-selectivities of 98:2 were achieved upon initial tert-butyl radical addition at -78 °C. High anti-diastereoselectivities were observed in the MgBr2·OEt2-controlled pathway at 70 °C when smaller alkyl radicals such as cyclohexyl, ethyl, and methyl were applied. Interesting and uncommon temperature dependences were observed in the temperature range of -78 to 100 °C, revealing strong entropic effects in the transition states. A model that accounts for the opposed stereochemical outcomes under chelation-controlled conditions is presented.

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