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18133-46-5

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18133-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18133-46-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,3 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18133-46:
(7*1)+(6*8)+(5*1)+(4*3)+(3*3)+(2*4)+(1*6)=95
95 % 10 = 5
So 18133-46-5 is a valid CAS Registry Number.

18133-46-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name α-(3,4-dimethoxyphenyl)acetoacetonitrile

1.2 Other means of identification

Product number -
Other names ALPHA-ACETYL-3,4-DIMETHOXYBENZENEACETONITRILE

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:18133-46-5 SDS

18133-46-5Relevant articles and documents

Stereoselective C?C Oxidative Coupling Reactions Photocatalyzed by Zwitterionic Ligand Capped CsPbBr3 Perovskite Quantum Dots

Cai, Tong,Candler, Yolanda,Chen, Ou,He, Jie,Hills-Kimball, Katie,Shi, Wenwu,Wang, Ping,Wei, Zichao,Yang, Hanjun,Yuan, Yucheng,Zhu, Hua

supporting information, p. 22563 - 22569 (2020/10/12)

Semiconductor quantum dots (QDs) have attracted tremendous attention in the field of photocatalysis, owing to their superior optoelectronic properties for photocatalytic reactions, including high absorption coefficients and long photogenerated carrier lifetimes. Herein, by choosing 2-(3,4-dimethoxyphenyl)-3-oxobutanenitrile as a model substrate, we demonstrate that the stereoselective (>99 %) C?C oxidative coupling reaction can be realized with a high product yield (99 %) using zwitterionic ligand capped CsPbBr3 perovskite QDs under visible light illumination. The reaction can be generalized to different starting materials with various substituents on the phenyl ring and varied functional moieties, producing stereoselective dl-isomers. A radical mediated reaction pathway has been proposed. Our study provides a new way of stereoselective C?C oxidative coupling via a photocatalytic means using specially designed perovskite QDs.

PYRAZOLO[1,5-A]TRIAZIN-4-AMINE DERIVATIVES USEFUL IN THERAPY

-

Page/Page column 23, (2017/04/07)

A compound of formula (I), or a pharmaceutically acceptable salt thereof, useful in therapy, in particular in the treatment of a viral infection.

Deacylative allylation: Allylic alkylation via retro-Claisen activation

Grenning, Alexander J.,Tunge, Jon A.

supporting information; experimental part, p. 14785 - 14794 (2011/11/04)

A new method for allylic alkylation of a variety of relatively nonstabilized carbon nucleophiles is described herein. In this process of "deacylative allylation", the coupling partners, an allylic alcohol and a ketone pronucleophile, undergo in situ retro-Claisen activation to generate an allylic acetate and a carbanion. In the presence of palladium, these reactive intermediates undergo catalytic coupling to form a new C-C bond. In comparison to unimolecular decarboxylative allylation, a commonly utilized method for allylation of carbon anions, deacylative allylation is an intermolecular process. Moreover, deacylative allylation allows the direct coupling of readily available allylic alcohols. Lastly, the full utility of deacylative allylation is demonstrated by the rapid construction of a variety 1,6-heptadienes via 3-component couplings.

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