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119612-85-0

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119612-85-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119612-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,6,1 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 119612-85:
(8*1)+(7*1)+(6*9)+(5*6)+(4*1)+(3*2)+(2*8)+(1*5)=130
130 % 10 = 0
So 119612-85-0 is a valid CAS Registry Number.

119612-85-0Relevant articles and documents

2-(Chlorocarbonyl)-2-mesitylketene, a new building block for the synthesis of 4-hydroxy-3-mesityl tetronic acids

Lieb, Folker,Benet-Buchholz,F?cke,Fischer,Graff,Lefebvre,Stetter

, p. 4133 - 4137 (2001)

Investigation of the reaction of (chlorocarbonyl)mesitylketene with ketones led to the discovery of a new synthetic pathway which yields 4-hydroxy-3-mesityl tetronic acids. Depending on the reaction conditions and the substitution pattern of the starting ketone, the expected products, i.e. 4-hydroxy-3-mesitylpyrones, can nevertheless be obtained.

Iron-Catalyzed Ring-Opening Reactions of Cyclopropanols with Alkenes and TBHP: Synthesis of 5-Oxo Peroxides

Lou, Chenhao,Wang, Xin,Lv, Leiyang,Li, Zhiping

supporting information, p. 7608 - 7612 (2021/10/02)

The ring opening of cyclopropanols is rarely used in multicomponent reactions. Herein we report the three-component reaction of cyclopropanols with alkenes and tert-butyl hydroperoxide (TBHP) catalyzed by an iron catalyst. This protocol enables the incorporation of both the β-carbonyl fragment and a peroxy unit across the C=C double bond regioselectively, thus allowing an efficient, facile access to 5-oxo peroxides. Modification of the biologically active molecules and various downstream derivatizations of the peroxides are also demonstrated.

Metal-Free Catalytic Reductive Cleavage of Enol Ethers

Chulsky, Karina,Dobrovetsky, Roman

supporting information, p. 6804 - 6807 (2018/11/02)

In contrast to the well-known reductive cleavage of the alkyl-O bond, the cleavage of the alkenyl-O bond is much more challenging especially using metal-free approaches. Unexpectedly, alkenyl-O bonds were reductively cleaved when enol ethers were reacted with Et3SiH and a catalytic amount of B(C6F5)3. Supposedly, this reaction is the result of a B(C6F5)3-catalyzed tandem hydrosilylation reaction and a silicon-assisted β-elimination. A mechanism for this cleavage reaction is proposed based on experiments and density functional theory (DFT) calculations.

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