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4-[(2-NAPHTHYLOXY)METHYL]-1,3-THIAZOL-2-AMINE is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

620103-22-2

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620103-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 620103-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,1,0 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 620103-22:
(8*6)+(7*2)+(6*0)+(5*1)+(4*0)+(3*3)+(2*2)+(1*2)=82
82 % 10 = 2
So 620103-22-2 is a valid CAS Registry Number.

620103-22-2Downstream Products

620103-22-2Relevant articles and documents

Method for performing driving synthesis of 4-alkyl or aryl-2-aminothiazole by visible light

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Paragraph 0165; 0166; 0167; 0168; 0169; 0170, (2018/04/02)

The invention relates to a method for performing driving synthesis of 4-alkyl or aryl-2-aminothiazole by visible light. The method comprises the following steps: adding an olefin azide compound, ammonium thiocyanate and copper acetate into a solvent acetonitrile separately, performing driving reaction by using visible light with wavelength of 450 to 460 nm at the temperature of 25 DEG C for 20 to36 hours to obtain reaction liquid, and spin-drying the reaction liquid to obtain concentrate; and performing silica-gel column chromatography on the concentrate to obtain the 4-alkyl or aryl-2-aminothiazole. The method is high in yield, mild in condition and low in environmental pollution.

Visible-Light-Driven Synthesis of 4-Alkyl/Aryl-2-Aminothiazoles Promoted by in Situ Generated Copper Photocatalyst

Lei, Wen-Long,Wang, Tao,Feng, Kai-Wen,Wu, Li-Zhu,Liu, Qiang

, p. 7941 - 7945 (2017/11/10)

Room-temperature synthesis of 4-alkyl/aryl-2-aminothiazoles from vinyl azides and ammonium thiocyanate was accomplished with the aid of copper salts and blue LED irradiation. Mechanism investigation indicates that in situ-formed Cu(NCS)2- plays dual important roles in the reaction: (1) as the photocatalyst to activate vinyl azides, (2) as the Lewis acid catalyst to promote ring opening of 2H-azirines with thiocyanide. This process is distinguished by high yields, mild conditions, low catalyst loadings, and tolerating numerous alkyl- and aryl vinyl azides with an array of functional groups.

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