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53744-36-8

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53744-36-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53744-36-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,4 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 53744-36:
(7*5)+(6*3)+(5*7)+(4*4)+(3*4)+(2*3)+(1*6)=128
128 % 10 = 8
So 53744-36-8 is a valid CAS Registry Number.

53744-36-8Relevant articles and documents

Unraveling relation between nonlinear absorption and structure of push pull ornamented anthracenyl chalcone derivatives

Chari, Rama,Jayabalan, J.,Saha, Amrita,Singh, Asha

, (2020/06/27)

Using green chemical method a series of fifteen systematically substituted 3-(9-substituted anthracen-10-yl)-1-(4-phenyl substituted)prop-2-en-1-one derivatives having high nonlinear absorption coefficient have been synthesized. The nonlinear absorption properties of these compounds were studied using nanosecond pulses at 532 nm wavelength. All 15 derivatives are found to show high nonlinear absorption in the range of 35–640 cm/GW. Among these the derivatives with –NO2 as one of the substitution group show higher nonlinear absorption. The origin of high nonlinear absorption with low linear absorption in the compounds has been attributed to two-step two-photon absorption process. We have shown that the energy bands of these compounds are distributed such that for excitation at 532 nm they have strong nonlinear absorption. These properties of the reported compounds make them a potential candidate for biological imaging and other applications which are based on nonlinear absorption.

Intermolecular Multiple Dehydrogenative Cross-Couplings of Ketones with Boronic Acids and Amines via Copper Catalysis

Wang, Tianzhang,Chen, Guowei,Lu, Yu-Jing,Chen, Qian,Huo, Yanping,Li, Xianwei

supporting information, p. 3886 - 3892 (2019/07/19)

An efficient and versatile oxidative coupling reaction was developed for the synthesis of valuable β-functionalized unsaturated ketones and meta-substituted phenols. In the case of intramolecular reactions, achieving rapid molecular complexity through multiple dehydrogenative couplings is already a well-established strategy. Herein, we report an intermolecular multiple dehydrogenative coupling between ketones and nucleophilic amines or boronic acids using inexpensive copper(I) oxide as a catalyst. This method provides a facile access to highly desirable chemical products such as α,β-unsaturated ketones, enaminones, and synthetically relevant meta-substituted phenols. (Figure presented.).

Synthesis and photochemical transformations of a few olefin-appended 11,12-dibenzoyldibenzobarrelenes

Jacob, Ambily Mary,George, Gisha,Jacob, Jomon P.,Mathew, Eason M.

, p. 199 - 202 (2015/06/02)

Several olefin-appended dibenzobarrelenes have been synthesised by Diels-Alder reaction between 9-alkenylanthracenes and dibenzoylacetylene under carefully controlled conditions and their photochemistry was examined. Olefin appendages acted as efficient quenchers of the triplet state of these barrelenes.

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