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142181-53-1

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142181-53-1 Usage

Uses

7-Chlorobenzo[b]thiophene-3-methanol, is an impurity of Sertaconazole (S278500), an imidazole antifungal agent, thta inhibits the synthesis of ergosterol, an essential cell wall component of fungi.

Check Digit Verification of cas no

The CAS Registry Mumber 142181-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,8 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142181-53:
(8*1)+(7*4)+(6*2)+(5*1)+(4*8)+(3*1)+(2*5)+(1*3)=101
101 % 10 = 1
So 142181-53-1 is a valid CAS Registry Number.

142181-53-1Upstream product

142181-53-1Downstream Products

142181-53-1Relevant articles and documents

Visible-Light-Induced Radical Carbo-Cyclization/ gem-Diborylation through Triplet Energy Transfer between a Gold Catalyst and Aryl Iodides

Hashmi, A. Stephen K.,Rominger, Frank,Si, Xiaojia,Zhang, Lumin

supporting information, p. 10485 - 10493 (2020/07/03)

Geminal diboronates have attracted significant attention because of their unique structures and reactivity. However, benzofuran-, indole-, and benzothiophene-based benzylic gem-diboronates, building blocks for biologically relevant compounds, are unknown. A promising protocol using visible light and aryl iodides for constructing valuable building blocks, including benzofuran-, indole-, and benzothiophene-based benzylic gem-diboronates, via radical carbo-cyclization/gem-diborylation of alkynes with a high functional group tolerance is presented. The utility of these gem-diboronates has been demonstrated by a 10 g scale conversion, by versatile transformations, by including the synthesis of approved drug scaffolds and two approved drugs, and even by polymer synthesis. The mechanistic investigation indicates that the merging of the dinuclear gold catalyst (photoexcitation by 315-400 nm UVA light) with Na2CO3 is directly responsible for photosensitization of aryl iodides (photoexcitation by 254 nm UV light) with blue LED light (410-490 nm, λmax = 465 nm) through an energy transfer (EnT) process, followed by homolytic cleavage of the C-I bond in the aryl iodide substrates.

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