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1655-74-9

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1655-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1655-74-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,5 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1655-74:
(6*1)+(5*6)+(4*5)+(3*5)+(2*7)+(1*4)=89
89 % 10 = 9
So 1655-74-9 is a valid CAS Registry Number.
InChI:InChI=1/C14H14O3/c1-15-11-3-7-13(8-4-11)17-14-9-5-12(16-2)6-10-14/h3-10H,1-2H3

1655-74-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-methoxy-4-(4-methoxyphenoxy)benzene

1.2 Other means of identification

Product number -
Other names 4,4'-oxybis(methoxybenzene)

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:1655-74-9 SDS

1655-74-9Relevant articles and documents

Electrochemical fluorination of aromatic compounds in anhydrous HF

Shainyan,Danilevich

, p. 214 - 219 (2006)

Electrochemical fluorination of anisole furnished 2- and 4-fluoroanisoles in a 3:1 ratio, guaiacol, and 4,4′-dimethoxydiphenyl ether. Phenylacetonitrile alongside the fluorination in the ring suffered the transformation of the cyano group into a trifluoromethyl. 4-Bromobenzamide was fluorinated to a high conversion mostly in the ring to afford predominantly 4-bromo-3,3,6,6-tetrafluoro-1,4-cyclohexadienecarboxamide. 4-Bromonitrobenzene in a low yield gave 4-bromofluoronitrobenzene and 3,4-dibromofluoronitrobenzene. 3-Bromo-nitrobenzene and 1,4-dichlorobenzene did not undergo fluorination. In the course of the electrolysis of the 4-bromobenzamide and 4-bromonitrobenzene in anhydrous HF apart the fluorination occurred also the bromination of the substrates. Pleiades Publishing, Inc. 2006.

Aromatic ether compound or the sulfhydryl compound

-

Paragraph 0072; 0074; 0078; 0109, (2021/11/19)

[Problem] Aromatic ether compounds and aromatic sulfide compound of this new technology to[Solution] In general formula (1a), (1b), (1c) palladium or nickel compound or a phosphine compound represented by the compound comprising a transition metal compound in the presence of a transition metal catalyst, (A1) is represented by compounds having hydroxy carbon C a-OH or (A2) with a compound represented by the sulfhydryl carbon C a-SH, nitro group (- NO2 ) To react with an aromatic nitro compound (B), (A1) to the compound of the aromatic nitro compound (C1) or the reaction product of an aromatic ether compounds (B) hetero coupling (A2) of the compounds of the reaction product of an aromatic sulfide compound of an aromatic nitro compound (C2) generating (B) hetero coupling characterized by comprising the step of, aromatic ether compounds or aromatic sulfide compound. [Drawing] no

Ligand compound for copper catalyzed aryl halide coupling reaction, catalytic system and coupling reaction

-

Paragraph 0134-0139, (2021/05/29)

The invention provides a ligand compound capable of being used for copper catalyzed aryl halide coupling reaction, the ligand compound is a three-class compound containing a 2-(substituted or non-substituted) aminopyridine nitrogen-oxygen group, and the invention also provides a catalytic system for the aryl halide coupling reaction. Thecatalytic system comprises a copper catalyst, a compound containing a 2-(substituted or non-substituted) aminopyridine nitrogen-oxygen group adopted as a ligand, alkali and a solvent, and meanwhile, the invention also provides a system for the aryl halide coupling reaction adopting the catalyst system. The compound containing the 2-(substituted or non-substituted) aminopyridine nitrogen oxygen group can be used as the ligand for the copper catalyzed aryl chloride coupling reaction, and the ligand is stable under a strong alkaline condition and can well maintain catalytic activity when being used for the copper-catalyzed aryl chloride coupling reaction. In addition, the copper catalyst adopting the compound as the ligand can particularly effectively promote coupling of copper catalyzed aryl chloride and various nucleophilic reagents which are difficult to generate under conventional conditions, C-N, C-O and C-S bonds are generated, and numerous useful small molecule compounds are synthesized. Therefore, the aryl halide coupling reaction has a very good large-scale application prospect by adopting the copper catalysis system of the ligand.

Identification of an Oxalamide Ligand for Copper-Catalyzed C?O Couplings from a Pharmaceutical Compound Library

Chan, Vincent S.,Krabbe, Scott W.,Li, Changfeng,Sun, Lijie,Liu, Yue,Nett, Alex J.

, (2019/04/30)

A typical pharmaceutical compound library is stocked with molecular diversity and could provide a platform for the discovery of new ligand structures. Herein, we describe the use of this approach in combination with high throughput screening to identify N,N’-bis(thiophene-2-ylmethyl)oxalamide as a ligand that is generally effective for copper-catalyzed C?O cross-couplings to prepare both biarylethers as well as phenols under mild conditions.

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