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156642-47-6

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156642-47-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156642-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,6,4 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156642-47:
(8*1)+(7*5)+(6*6)+(5*6)+(4*4)+(3*2)+(2*4)+(1*7)=146
146 % 10 = 6
So 156642-47-6 is a valid CAS Registry Number.

156642-47-6Relevant articles and documents

Palladium-Catalyzed Domino Heck/Sulfination: Synthesis of Sulfonylated Hetero- And Carbocyclic Scaffolds Using DABCO-Bis(sulfur dioxide)

Bajohr, Jonathan,Diallo, Abdoul G.,Whyte, Andrew,Gaillard, Sylvain,Renaud, Jean-Luc,Lautens, Mark

supporting information, p. 2797 - 2801 (2021/04/13)

The synthesis of a broad variety of hetero- and carbocyclic scaffolds via a Pd-catalyzed domino Heck/SO2 insertion reaction is reported. This reaction utilizes DABSO, a safe and easy-to-handle alternative to SO2 gas. The reaction proceeds through a sulfin

Formal Bromine Atom Transfer Radical Addition of Nonactivated Bromoalkanes Using Photoredox Gold Catalysis

Zidan, Montserrat,McCallum, Terry,Swann, Rowan,Barriault, Louis

supporting information, p. 8401 - 8406 (2020/11/03)

Organic transformations mediated by photoredox catalysis have been at the forefront of reaction discovery. Recently, it has been demonstrated that binuclear Au(I) bisphosphine complexes, such as [Au2(μ-dppm)2]X2, are capable of mediating electron transfer to nonactivated bromoalkanes for the generation of a variety of alkyl radicals. The transfer reactions of bromine, derived from nonactivated bromoalkanes, are largely unknown. Therefore, we propose that unique metal-based mechanistic pathways are at play, as this binuclear gold catalyst has been known to produce Au(III) Lewis acid intermediates. The scope and proposed mechanistic overview for the formal bromine atom transfer reaction of nonactivated bromoalkanes mediated by photoredox Au(I) catalysis is presented. The methodology presented afforded good yields and a broad scope which include examples using bromoalkanes and iodoarenes.

Microwave-Assisted Domino Heck Cyclization and Phosphorylation: Synthesis of Phosphorus Containing Heterocycles

Ramesh, Karu,Satyanarayana, Gedu

supporting information, p. 3856 - 3866 (2019/06/21)

A domino [Pd]-catalyzed intramolecular Heck cyclization followed by intermolecular phosphorylation, for the construction of phosphorus containing heterocyclic compounds, is presented. Notably, the process is accelerated by microwave heating conditions and enabled the construction of C–C and C–P bonds in short reaction times.

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