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42726-73-8

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42726-73-8 Usage

Chemical Properties

clear colorless to slightly yellow liquid

General Description

tert-Butyl methyl malonate is an ester. Stereospecific Pd(O)-catalyzed addition of tert-butyl methyl malonate to allylic carbonates is reported.

Check Digit Verification of cas no

The CAS Registry Mumber 42726-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,2 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42726-73:
(7*4)+(6*2)+(5*7)+(4*2)+(3*6)+(2*7)+(1*3)=118
118 % 10 = 8
So 42726-73-8 is a valid CAS Registry Number.
InChI:InChI=1/C8H14O4/c1-8(2,3)5(6(9)10)7(11)12-4/h5H,1-4H3,(H,9,10)

42726-73-8 Well-known Company Product Price

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  • Alfa Aesar

  • (H59540)  tert-Butyl methyl malonate, 95%   

  • 42726-73-8

  • 2ml

  • 417.0CNY

  • Detail
  • Alfa Aesar

  • (H59540)  tert-Butyl methyl malonate, 95%   

  • 42726-73-8

  • 10ml

  • 1324.0CNY

  • Detail

42726-73-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name tert-Butyl Methyl Malonate

1.2 Other means of identification

Product number -
Other names tert.-Butyl methyl 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:42726-73-8 SDS

42726-73-8Relevant articles and documents

Studies of the Electronic Effects of Zinc Cluster Catalysts and Their Application to the Transesterification of β-Keto Esters

Agura, Kazushi,Hayashi, Yukiko,Wada, Mari,Nakatake, Daiki,Mashima, Kazushi,Ohshima, Takashi

supporting information, p. 1548 - 1554 (2016/06/01)

The electronic effects of tetranuclear zinc cluster catalysts on transesterification were investigated by changing the carboxylate ligands in the clusters. High catalyst activity crucially depended on the balance between Lewis acidity and Br?nsted basicity of the catalyst; this was consistent with the dual activation of both the electrophile and nucleophile by the cooperative zinc centers. In addition, tetranuclear zinc cluster catalysts achieved the transesterification of β-keto esters with unprecedented levels of broad substrate generality, in which a newly developed pentafluoropropionate-bridged zinc cluster and 4-dimethylaminopyridine additive greatly improved the reactivity of sterically congested α- and α,α-disubstituted β-keto esters. Lewis versus Br?nsted: High catalyst activity of zinc clusters on transesterification crucially depend on a balance between Lewis acidity and Br?nsted basicity of the catalyst. Zinc clusters, including a newly developed pentafluoropropionate-bridged zinc cluster, achieved the transesterification of β-keto esters with unprecedented levels of broad substrate generality (see figure).

Iron(iii)-salan complexes catalysed highly enantioselective fluorination and hydroxylation of β-keto esters and N-Boc oxindoles

Gu, Xin,Zhang, Yan,Xu, Zhen-Jiang,Che, Chi-Ming

supporting information, p. 7870 - 7873 (2014/07/08)

Chiral iron(iii)-salan complexes catalysed highly enantioselective α-fluorination and α-hydroxylation of β-keto esters and N-Boc oxindoles to give the corresponding products in high yields and good-to-excellent ee values under mild reaction conditions. This journal is the Partner Organisations 2014.

An efficient method for generation of α-oxoketenes: Cycloreversion of enolized Meldrum's acid derivatives

Sato, Masayuki,Ban, Hitoshi,Kaneko, Chikara

, p. 6689 - 6692 (2007/10/03)

A series of 6-methoxy- or siloxy-4H-1,3-dioxin-4-ones was synthesized from Meldrum's acids. These dioxinones underwent 4+2 cycloreversion to methoxy- or siloxycartbonylketenes and ketones quantitatively at 20-50°C. The ketenes were characterized by IR spectroscopy as well as by trapping with t-butanol. The ready cycloreversion of these enolized Meldrum's acid derivatives strongly indicates that the anomalously high susceptibility of Meldrum's acids to nucleophilic reagents is due to the participation of carboxyketenes generated through the cycloreversion of tautomeric 6-hydroxydioxinones.

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