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20677-12-7

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20677-12-7 Usage

General Description

DIETHYL(4-BROMOPHENYL)PHOSPHONATE is a chemical compound that contains two ethyl groups and a 4-bromophenyl group attached to a phosphorus atom. It is commonly used as a flame retardant and in the synthesis of pharmaceuticals and agrochemicals. It is a highly toxic and flammable liquid that should be handled with care. The compound has low solubility in water but is soluble in organic solvents. It is important for researchers, manufacturers, and users to follow proper safety protocols when working with this chemical due to its hazardous nature.

Check Digit Verification of cas no

The CAS Registry Mumber 20677-12-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,7 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20677-12:
(7*2)+(6*0)+(5*6)+(4*7)+(3*7)+(2*1)+(1*2)=97
97 % 10 = 7
So 20677-12-7 is a valid CAS Registry Number.

20677-12-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-bromo-4-diethoxyphosphorylbenzene

1.2 Other means of identification

Product number -
Other names (4-bromo-phenyl)-phosphonic acid diethyl ester

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:20677-12-7 SDS

20677-12-7Relevant articles and documents

Palladium-catalyzed one-pot phosphorylation of phenols mediated by sulfuryl fluoride

Zhang, Yiyuan,Chen, Wanting,Tan, Tingting,Gu, Yuang,Zhang, Shuning,Li, Jie,Wang, Yan,Hou, Wei,Yang, Guang,Ma, Peixiang,Xu, Hongtao

, p. 4588 - 4591 (2021/05/17)

We report a general palladium-catalyzed one-pot procedure for the synthesis of phosphonates, phosphinates and phosphine oxides from phenols mediated by sulfuryl fluoride. It features mild conditions, broad substrate scope, high functionality tolerance and water insensitivity. The utility of this procedure has been well demonstrated by gram-scale synthesis, sequential synthesis of click chemistry building blocks, late-stage decoration of drugs and natural products and on-DNA synthesis of phosphine oxide for a DNA-encoded library (DEL).

Investigation of Immobilization Effects on Ni(P2N2)2Electrocatalysts

Brunner, Felix M.,Neville, Michael L.,Kubiak, Clifford P.

, p. 16872 - 16881 (2020/11/27)

A new synthetic route to complexes of the type Ni(P2N2)22+ with highly functionalized phosphine substituents and the investigation of immobilization effects on these catalysts is reported. Ni(P2N2)22+ complexes have been extensively studied as homogeneous and surface-attached molecular electrocatalysts for the hydrogen evolution reaction (HER). A synthesis based on postsynthetic modification of PArBr2NPh2 was developed and is described here. Phosphonate-modified ligands and their corresponding nickel complexes were isolated and characterized. Subsequent deprotection of the phosphonic ester derivatives provided the first Ni(P2N2)22+ catalyst that can be covalently attached via pendent phosphonate groups to an electrode without involvement of the important pendent amine groups. Mesoporous TiO2 electrodes were surface modified by attachment of the new phosphonate functionalized Ni(P2N2)22+ complexes, and these provided electrocatalytic materials that proved to be competent and stable for sustained HER in aqueous solution at mild pH and low overpotential. We directly compared the new ligand to a previously reported complex that utilized the amine moiety for surface attachment. Using HER as the benchmark reaction, the P-attached catalyst showed a marginally (9-14%) higher turnover number than its N-attached counterpart.

NAPHTHYRIDINE DERIVATIVES AS PRC2 INHIBITORS

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Paragraph 0404-0405, (2020/11/03)

Disclosed are compounds of formula (I) or (II) that inhibit Polycomb Repressive Complex 2 (PRC2) activity. In particular, the present invention relates to compounds, pharmaceutical compositions and methods of use, such as methods of treating cancer using the compounds and pharmaceutical compositions of the present invention.

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