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6099-23-6

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6099-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6099-23-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,0,9 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6099-23:
(6*6)+(5*0)+(4*9)+(3*9)+(2*2)+(1*3)=106
106 % 10 = 6
So 6099-23-6 is a valid CAS Registry Number.

6099-23-6Relevant articles and documents

Photoredox-Mediated Synthesis of Functionalized Sulfoxides from Terminal Alkynes

Kumar, Jaswant,Ahmad, Ajaz,Rizvi, Masood Ahmad,Ganie, Majid Ahmed,Khajuria, Chhavi,Shah, Bhahwal Ali

supporting information, p. 5661 - 5665 (2020/07/14)

A photoredox-mediated protocol for the synthesis of α-alkoxy-β-ketosulfoxides and α,β-dialkoxysulfoxides using alkynes, thiol, and alcohols is reported. This work presents a rare single-step synthesis of α-substituted sulfoxides, involving tandem introduction of a thiol and alcohol as a key enabling advancement. Furthermore, the method can be easily employed to access vinyl sulfoxides and β-ketosulfoxides.

One-pot synthesis of α-phenylsulfinyl ketones by reaction of phenyl benzenethiosulfinate with enolate anions, and synthesis of sulfoxides and sulfides by its reaction with Grignard reagents

Fakhry, Jerome,Grayson, David H.

, p. 556 - 563 (2017/12/28)

Phenyl benzenethiosulfinate reacts with enolate anions derived from ketones to give α-phenylsulfinyl ketones directly, together with minor amounts of α-phenylsulfanyl ketones. These are easily separated by forming the water-soluble sodium salts of the sulfinyl compounds. Grignard reagents also react with phenyl benzenethiosulfinate, to give mixtures of sulfoxides and sulfides.

Acid-Catalyzed Oxidative Addition of Thiols to Olefins and Alkynes for a One-Pot Entry to Sulfoxides

Yue, Hui-Lan,Klussmann, Martin

supporting information, p. 2505 - 2509 (2016/10/24)

An oxidative variant of the thiol-ene reaction has been developed, achieving the direct addition of thiols to olefins to form sulfoxides. The reaction uses tert-butyl hydroperoxide as oxidant and methanesulfonic acid as catalyst. The latter is believed to catalyze the oxidation of the intermediate sulfide to the sulfoxide. No special precautions are necessary to exclude oxygen, yet the products are formed without oxidation at the β-position. Styrenes, acrylic acid derivatives, alkynes, and thiophenols gave the highest yields, while aliphatic olefins and thiols were less effective.

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